Breede WMA

Chemical classification run on 2006-12-18 - 16:49:38

Program /prjws8/users/michael/aml/qatrivhtml.aml
Data file $WMSYS/wmdata/wq/MACRO061128.dat
Data selection dates 2001-01-01 to 2005-12-31
Programmer Michael Silberbauer
Institute for Water Quality Studies,
Department of Water Affairs and Forestry, Private Bag X313,
PRETORIA, South Africa 0001 - SilberbauerM@dwaf.gov.za


Note that qatrivhtml.aml includes monitoring points outside drainage region boundaries, within 500 metres of the boundaries, to allow for geographic errors. Thus, in some cases, the program may use the same monitoring point to classify two adjacent drainage regions.
Minimum number of samples used per classification = 5.
[explanation of classification process] [map] [chemical index page] [IWQS home page]

80 quaternary drainage regions overlap Breede WMA


(3) Catchment G40C: Total number of "H...Q" (flow gauging, quality) stations = 1.
Stationtotal n
samples
descriptionmap
code
G4H005Q01783Palmiet River at Van Aries Kraal-Appleth 1

G40C - Stations used: 1, Samples selected: 62 between 2001-01-01 and 2005-12-31.
Variable n
samples
Minimum recorded
at
Median recorded
at
90th
percentile
recorded
at
Maximum recorded
at
unit
pH 62 6.33 G4H005Q01 7.12 G4H005Q01 7.61 G4H005Q01 8.11 G4H005Q01 -log [H+]
Fluoride 62 0.05 G4H005Q01 0.1 G4H005Q01 0.11 G4H005Q01 0.17 G4H005Q01 mg l -1
NO3(N) 62 0.02 G4H005Q01 0.322 G4H005Q01 1.097 G4H005Q01 3.876 G4H005Q01 mg l -1
Sulphate 62 3 G4H005Q01 13.9 G4H005Q01 22.8 G4H005Q01 46.2 G4H005Q01 mg l -1
Chloride 62 15 G4H005Q01 24.8 G4H005Q01 31.9 G4H005Q01 38 G4H005Q01 mg l -1
Sodium 62 8.6 G4H005Q01 13.4 G4H005Q01 18.1 G4H005Q01 21.9 G4H005Q01 mg l -1
Magnesium 62 1.6 G4H005Q01 2.9 G4H005Q01 3.8 G4H005Q01 4.8 G4H005Q01 mg l -1
TDS 62 58 G4H005Q01 86 G4H005Q01 121 G4H005Q01 143 G4H005Q01 mg l -1
Conductivity 62 8.4 G4H005Q01 15.5 G4H005Q01 21 G4H005Q01 22.7 G4H005Q01 mS m -1

Summary of classification: G40C n=62 Class 0


(4) Catchment G40D: Total number of "H...Q" (flow gauging, quality) stations = 4.
Stationtotal n
samples
descriptionmap
code
G4H010Q01396Jakkals River at Lebanon Forest Reserve 2
G4H005Q01783Palmiet River at Van Aries Kraal-Appleth 3
G4H029Q01damKogelberg Dam on Palmiet River: Down Strnone
G4H007Q011182Palmiet River at Farm 562-Welgemoed-Klei 4

G40D - Stations used: 3, Samples selected: 149 between 2001-01-01 and 2005-12-31.
Variable n
samples
Minimum recorded
at
Median recorded
at
90th
percentile
recorded
at
Maximum recorded
at
unit
pH 149 4.42 G4H007Q01 6.91 G4H007Q01 7.58 G4H007Q01 8.11 G4H005Q01 -log [H+]
Fluoride 149 0.05 G4H007Q01 0.1 G4H007Q01 0.12 G4H005Q01 0.17 G4H005Q01 mg l -1
NO3(N) 149 0.02 G4H007Q01 0.191 G4H007Q01 0.807 G4H005Q01 3.876 G4H005Q01 mg l -1
Sulphate 149 2 G4H007Q01 13.3 G4H005Q01 23.1 G4H007Q01 46.2 G4H005Q01 mg l -1
Chloride 149 15 G4H005Q01 27.1 G4H005Q01 34.4 G4H007Q01 78 G4H007Q01 mg l -1
Sodium 149 8.6 G4H005Q01 13.8 G4H007Q01 18.3 G4H005Q01 41.8 G4H007Q01 mg l -1
Magnesium 149 1.3 G4H007Q01 2.8 G4H005Q01 3.8 G4H005Q01 7.1 G4H007Q01 mg l -1
TDS 149 47 G4H007Q01 79 G4H005Q01 107 G4H005Q01 177 G4H007Q01 mg l -1
Conductivity 149 8.4 G4H005Q01 14.5 G4H007Q01 20.1 G4H005Q01 31.5 G4H007Q01 mS m -1

Summary of classification: G40D n=149 Class 0


(5) Catchment G40E: Total number of "H...Q" (flow gauging, quality) stations = 12.
Stationtotal n
samples
descriptionmap
code
G4H015Q0159Jakkals River Tributary 1a at Lebanon Fo 5
G4H012Q0152Little Jakkals River at Lebanon Forest R 6
G4H020Q020Lebanon Forest Reserve none
G4H019Q020Lebanon Forest Reserve none
G4H021Q010Lebanon Forest Reserve none
G4H020Q0151Jakkals River Tributary 1f at Lebanon Fo 7
G4H019Q0154Jakkals River Triburary 1e at Lebanon Fo 8
G4H008Q0159Little Jakkals River at Lebanon Forest R 9
G4H022Q0184Jakkals River Tributary 2b at Lebanon Fo 10
G4H016Q0157Jakkals Riv..Tributary 1bcd at Lebanon F 11
G4H010Q01396Jakkals River at Lebanon Forest Reserve 12
G4H014Q01733at Roode Heuvel on Botrivier 13

G40E - Stations used: 12, Samples selected: 31 between 2001-01-01 and 2005-12-31.
Variable n
samples
Minimum recorded
at
Median recorded
at
90th
percentile
recorded
at
Maximum recorded
at
unit
pH 31 6.35 G4H014Q01 7.12 G4H014Q01 7.66 G4H014Q01 8.03 G4H014Q01 -log [H+]
Fluoride 31 0.05 G4H014Q01 0.11 G4H014Q01 0.15 G4H014Q01 0.19 G4H014Q01 mg l -1
NO3(N) 31 0.02 G4H014Q01 0.226 G4H014Q01 0.605 G4H014Q01 1.356 G4H014Q01 mg l -1
Sulphate 31 14.2 G4H014Q01 20 G4H014Q01 26.8 G4H014Q01 40.3 G4H014Q01 mg l -1
Chloride 31 64.3 G4H014Q01 104.8 G4H014Q01 130.6 G4H014Q01 157.7 G4H014Q01 mg l -1
Sodium 31 33.8 G4H014Q01 58 G4H014Q01 70.1 G4H014Q01 84.6 G4H014Q01 mg l -1
Magnesium 31 2.8 G4H014Q01 8.1 G4H014Q01 10.1 G4H014Q01 13.1 G4H014Q01 mg l -1
TDS 31 150 G4H014Q01 223 G4H014Q01 276 G4H014Q01 335 G4H014Q01 mg l -1
Conductivity 31 29.2 G4H014Q01 44.3 G4H014Q01 53.3 G4H014Q01 62.6 G4H014Q01 mS m -1

Summary of classification (consituents in each range in brackets): G40E n=31 Class 1: I(Cl)


(10) Catchment G40K: Total number of "H...Q" (flow gauging, quality) stations = 1.
Stationtotal n
samples
descriptionmap
code
G4H006Q01349Klein River at Can Q5-8-Wagenboomsdrift 14

G40K - Stations used: 1, Samples selected: 24 between 2001-01-01 and 2005-12-31.
Variable n
samples
Minimum recorded
at
Median recorded
at
90th
percentile
recorded
at
Maximum recorded
at
unit
pH 24 6.64 G4H006Q01 7.45 G4H006Q01 7.73 G4H006Q01 7.8 G4H006Q01 -log [H+]
Fluoride 24 0.05 G4H006Q01 0.15 G4H006Q01 0.2 G4H006Q01 0.23 G4H006Q01 mg l -1
NO3(N) 24 0.02 G4H006Q01 0.271 G4H006Q01 2.45 G4H006Q01 5.532 G4H006Q01 mg l -1
Sulphate 24 30.8 G4H006Q01 53.4 G4H006Q01 60.7 G4H006Q01 72.7 G4H006Q01 mg l -1
Chloride 24 171.5 G4H006Q01 294.6 G4H006Q01 493.7 G4H006Q01 588.7 G4H006Q01 mg l -1
Sodium 24 99.4 G4H006Q01 172.5 G4H006Q01 282.1 G4H006Q01 326.4 G4H006Q01 mg l -1
Magnesium 24 12.8 G4H006Q01 22.3 G4H006Q01 33.4 G4H006Q01 40.2 G4H006Q01 mg l -1
TDS 24 357 G4H006Q01 613 G4H006Q01 977 G4H006Q01 1092 G4H006Q01 mg l -1
Conductivity 24 67.6 G4H006Q01 118.7 G4H006Q01 188.4 G4H006Q01 217 G4H006Q01 mS m -1

Summary of classification (consituents in each range in brackets): G40K n=24 Class 2: I(Mg TDS) II(Cl Na EC)


(11) Catchment G40L: Total number of "H...Q" (flow gauging, quality) stations = 1.
Stationtotal n
samples
descriptionmap
code
G4H006Q01349Klein River at Can Q5-8-Wagenboomsdrift 15

G40L - Stations used: 1, Samples selected: 24 between 2001-01-01 and 2005-12-31.
Variable n
samples
Minimum recorded
at
Median recorded
at
90th
percentile
recorded
at
Maximum recorded
at
unit
pH 24 6.64 G4H006Q01 7.45 G4H006Q01 7.73 G4H006Q01 7.8 G4H006Q01 -log [H+]
Fluoride 24 0.05 G4H006Q01 0.15 G4H006Q01 0.2 G4H006Q01 0.23 G4H006Q01 mg l -1
NO3(N) 24 0.02 G4H006Q01 0.271 G4H006Q01 2.45 G4H006Q01 5.532 G4H006Q01 mg l -1
Sulphate 24 30.8 G4H006Q01 53.4 G4H006Q01 60.7 G4H006Q01 72.7 G4H006Q01 mg l -1
Chloride 24 171.5 G4H006Q01 294.6 G4H006Q01 493.7 G4H006Q01 588.7 G4H006Q01 mg l -1
Sodium 24 99.4 G4H006Q01 172.5 G4H006Q01 282.1 G4H006Q01 326.4 G4H006Q01 mg l -1
Magnesium 24 12.8 G4H006Q01 22.3 G4H006Q01 33.4 G4H006Q01 40.2 G4H006Q01 mg l -1
TDS 24 357 G4H006Q01 613 G4H006Q01 977 G4H006Q01 1092 G4H006Q01 mg l -1
Conductivity 24 67.6 G4H006Q01 118.7 G4H006Q01 188.4 G4H006Q01 217 G4H006Q01 mS m -1

Summary of classification (consituents in each range in brackets): G40L n=24 Class 2: I(Mg TDS) II(Cl Na EC)


(16) Catchment G50D: Total number of "H...Q" (flow gauging, quality) stations = 1.
Stationtotal n
samples
descriptionmap
code
G5H006Q0141Little Sanddrif River at Zoetmuisberg 16

G50D - not classified: 0 samples between 2001-01-01 and 2005-12-31, 0 valid samples. Require at least 5.


(17) Catchment G50E: Total number of "H...Q" (flow gauging, quality) stations = 1.
Stationtotal n
samples
descriptionmap
code
G5H005Q0116Kars River at Nagt Wagt 17

G50E - not classified: 0 samples between 2001-01-01 and 2005-12-31, 0 valid samples. Require at least 5.


(19) Catchment G50G: Total number of "H...Q" (flow gauging, quality) stations = 1.
Stationtotal n
samples
descriptionmap
code
G5H008Q01274Sout River at Kykoedy 18

G50G - Stations used: 1, Samples selected: 13 between 2001-01-01 and 2005-12-31.
Variable n
samples
Minimum recorded
at
Median recorded
at
90th
percentile
recorded
at
Maximum recorded
at
unit
pH 13 7.4 G5H008Q01 8.1 G5H008Q01 8.38 G5H008Q01 8.46 G5H008Q01 -log [H+]
Fluoride 13 0.42 G5H008Q01 0.68 G5H008Q01 0.77 G5H008Q01 0.79 G5H008Q01 mg l -1
NO3(N) 13 0.04 G5H008Q01 0.055 G5H008Q01 3.427 G5H008Q01 10.152 G5H008Q01 mg l -1
Sulphate 13 122.8 G5H008Q01 323.8 G5H008Q01 562.4 G5H008Q01 686.3 G5H008Q01 mg l -1
Chloride 13 800.1 G5H008Q01 2233.4 G5H008Q01 3566.3 G5H008Q01 4278.1 G5H008Q01 mg l -1
Sodium 13 477.4 G5H008Q01 1363.2 G5H008Q01 2057.3 G5H008Q01 2452.4 G5H008Q01 mg l -1
Magnesium 13 56.4 G5H008Q01 164.5 G5H008Q01 262.4 G5H008Q01 326.5 G5H008Q01 mg l -1
TDS 13 1678 G5H008Q01 4616 G5H008Q01 7073 G5H008Q01 8068 G5H008Q01 mg l -1
Conductivity 13 298 G5H008Q01 750 G5H008Q01 1122.4 G5H008Q01 1202 G5H008Q01 mS m -1

Summary of classification (consituents in each range in brackets): G50G n=13 Class 3: I( ) II(SO4) III(Cl Na Mg TDS EC)


(20) Catchment G50H: Total number of "H...Q" (flow gauging, quality) stations = 1.
Stationtotal n
samples
descriptionmap
code
G5H008Q01274Sout River at Kykoedy 19

G50H - Stations used: 1, Samples selected: 13 between 2001-01-01 and 2005-12-31.
Variable n
samples
Minimum recorded
at
Median recorded
at
90th
percentile
recorded
at
Maximum recorded
at
unit
pH 13 7.4 G5H008Q01 8.1 G5H008Q01 8.38 G5H008Q01 8.46 G5H008Q01 -log [H+]
Fluoride 13 0.42 G5H008Q01 0.68 G5H008Q01 0.77 G5H008Q01 0.79 G5H008Q01 mg l -1
NO3(N) 13 0.04 G5H008Q01 0.055 G5H008Q01 3.427 G5H008Q01 10.152 G5H008Q01 mg l -1
Sulphate 13 122.8 G5H008Q01 323.8 G5H008Q01 562.4 G5H008Q01 686.3 G5H008Q01 mg l -1
Chloride 13 800.1 G5H008Q01 2233.4 G5H008Q01 3566.3 G5H008Q01 4278.1 G5H008Q01 mg l -1
Sodium 13 477.4 G5H008Q01 1363.2 G5H008Q01 2057.3 G5H008Q01 2452.4 G5H008Q01 mg l -1
Magnesium 13 56.4 G5H008Q01 164.5 G5H008Q01 262.4 G5H008Q01 326.5 G5H008Q01 mg l -1
TDS 13 1678 G5H008Q01 4616 G5H008Q01 7073 G5H008Q01 8068 G5H008Q01 mg l -1
Conductivity 13 298 G5H008Q01 750 G5H008Q01 1122.4 G5H008Q01 1202 G5H008Q01 mS m -1

Summary of classification (consituents in each range in brackets): G50H n=13 Class 3: I( ) II(SO4) III(Cl Na Mg TDS EC)


(24) Catchment H10B: Total number of "H...Q" (flow gauging, quality) stations = 2.
Stationtotal n
samples
descriptionmap
code
H1H016Q01140Rooikloof River at Ben Etive 20
H1H014Q01248Vals River at Ben Etive 21

H10B - not classified: 0 samples between 2001-01-01 and 2005-12-31, 0 valid samples. Require at least 5.


(25) Catchment H10C: Total number of "H...Q" (flow gauging, quality) stations = 2.
Stationtotal n
samples
descriptionmap
code
H1H013Q01421Koekedou River at Ceres-Persephone 22
H1H003Q011171Bree River at Ceres Commonage 23

H10C - Stations used: 2, Samples selected: 120 between 2001-01-01 and 2005-12-31.
Variable n
samples
Minimum recorded
at
Median recorded
at
90th
percentile
recorded
at
Maximum recorded
at
unit
pH 120 4.54 H1H013Q01 7.32 H1H003Q01 7.75 H1H003Q01 7.99 H1H003Q01 -log [H+]
Fluoride 120 0.05 H1H013Q01 0.1 H1H003Q01 0.13 H1H003Q01 0.42 H1H013Q01 mg l -1
NO3(N) 120 0.02 H1H003Q01 0.516 H1H003Q01 1.559 H1H003Q01 3.654 H1H003Q01 mg l -1
Sulphate 120 2 H1H013Q01 12.3 H1H003Q01 24.2 H1H003Q01 73.5 H1H003Q01 mg l -1
Chloride 120 5 H1H013Q01 30 H1H003Q01 51.5 H1H003Q01 154 H1H003Q01 mg l -1
Sodium 120 3 H1H013Q01 19.3 H1H003Q01 43.9 H1H003Q01 81.7 H1H003Q01 mg l -1
Magnesium 120 0.5 H1H013Q01 3.4 H1H003Q01 8.5 H1H003Q01 28.7 H1H003Q01 mg l -1
TDS 120 17 H1H013Q01 121 H1H003Q01 230 H1H003Q01 466 H1H003Q01 mg l -1
Conductivity 120 3.7 H1H013Q01 22.9 H1H003Q01 36.3 H1H003Q01 81.8 H1H003Q01 mS m -1

Summary of classification: H10C n=120 Class 0


(26) Catchment H10D: Total number of "H...Q" (flow gauging, quality) stations = 2.
Stationtotal n
samples
descriptionmap
code
H1H003Q011171Bree River at Ceres Commonage 24
H1H006Q011103Bree River at Ceres Commonage-Witbrug 25

H10D - Stations used: 2, Samples selected: 182 between 2001-01-01 and 2005-12-31.
Variable n
samples
Minimum recorded
at
Median recorded
at
90th
percentile
recorded
at
Maximum recorded
at
unit
pH 182 6.21 H1H003Q01 7.31 H1H003Q01 7.74 H1H003Q01 8.73 H1H006Q01 -log [H+]
Fluoride 182 0.05 H1H003Q01 0.1 H1H003Q01 0.13 H1H006Q01 0.38 H1H003Q01 mg l -1
NO3(N) 182 0.02 H1H006Q01 0.31 H1H006Q01 1.31 H1H003Q01 3.654 H1H003Q01 mg l -1
Sulphate 182 2 H1H006Q01 10.7 H1H003Q01 23.1 H1H003Q01 73.5 H1H003Q01 mg l -1
Chloride 182 5 H1H006Q01 22.3 H1H006Q01 47.9 H1H003Q01 154 H1H003Q01 mg l -1
Sodium 182 3 H1H006Q01 12.3 H1H003Q01 37.3 H1H003Q01 81.7 H1H003Q01 mg l -1
Magnesium 182 0.5 H1H006Q01 3 H1H003Q01 7.3 H1H003Q01 28.7 H1H003Q01 mg l -1
TDS 182 22 H1H006Q01 85 H1H003Q01 203 H1H003Q01 466 H1H003Q01 mg l -1
Conductivity 182 3.4 H1H006Q01 16.3 H1H006Q01 34.4 H1H003Q01 81.8 H1H003Q01 mS m -1

Summary of classification: H10D n=182 Class 0


(27) Catchment H10E: Total number of "H...Q" (flow gauging, quality) stations = 1.
Stationtotal n
samples
descriptionmap
code
H1H007Q011133Wit River at Drosterskloof 26

H10E - Stations used: 1, Samples selected: 90 between 2001-01-01 and 2005-12-31.
Variable n
samples
Minimum recorded
at
Median recorded
at
90th
percentile
recorded
at
Maximum recorded
at
unit
pH 90 4.41 H1H007Q01 5.37 H1H007Q01 6.78 H1H007Q01 8.4 H1H007Q01 -log [H+]
Fluoride 90 0.05 H1H007Q01 0.05 H1H007Q01 0.11 H1H007Q01 0.14 H1H007Q01 mg l -1
NO3(N) 90 0.02 H1H007Q01 0.04 H1H007Q01 0.055 H1H007Q01 0.192 H1H007Q01 mg l -1
Sulphate 90 2 H1H007Q01 3 H1H007Q01 6.9 H1H007Q01 9.6 H1H007Q01 mg l -1
Chloride 90 2 H1H007Q01 5 H1H007Q01 7.8 H1H007Q01 9 H1H007Q01 mg l -1
Sodium 90 1 H1H007Q01 3.2 H1H007Q01 3.9 H1H007Q01 4.7 H1H007Q01 mg l -1
Magnesium 90 0.5 H1H007Q01 0.5 H1H007Q01 1.1 H1H007Q01 1.7 H1H007Q01 mg l -1
TDS 90 14 H1H007Q01 20 H1H007Q01 24 H1H007Q01 31 H1H007Q01 mg l -1
Conductivity 90 2.4 H1H007Q01 3.5 H1H007Q01 4.5 H1H007Q01 5.1 H1H007Q01 mS m -1

Summary of classification: H10E n=90 Class 0


(28) Catchment H10F: Total number of "H...Q" (flow gauging, quality) stations = 2.
Stationtotal n
samples
descriptionmap
code
H1H006Q011103Bree River at Ceres Commonage-Witbrug 27
H1H007Q011133Wit River at Drosterskloof 28

H10F - Stations used: 2, Samples selected: 183 between 2001-01-01 and 2005-12-31.
Variable n
samples
Minimum recorded
at
Median recorded
at
90th
percentile
recorded
at
Maximum recorded
at
unit
pH 183 4.41 H1H007Q01 6.78 H1H007Q01 7.5 H1H006Q01 8.73 H1H006Q01 -log [H+]
Fluoride 183 0.05 H1H007Q01 0.1 H1H007Q01 0.12 H1H006Q01 0.19 H1H006Q01 mg l -1
NO3(N) 183 0.02 H1H007Q01 0.055 H1H007Q01 0.372 H1H006Q01 1.019 H1H006Q01 mg l -1
Sulphate 183 2 H1H007Q01 4.4 H1H007Q01 11 H1H006Q01 19.3 H1H006Q01 mg l -1
Chloride 183 2 H1H007Q01 7.5 H1H007Q01 21.6 H1H006Q01 44 H1H006Q01 mg l -1
Sodium 183 1 H1H007Q01 4.1 H1H007Q01 11 H1H006Q01 29.7 H1H006Q01 mg l -1
Magnesium 183 0.5 H1H007Q01 1 H1H006Q01 3.3 H1H006Q01 7.2 H1H006Q01 mg l -1
TDS 183 14 H1H007Q01 26 H1H006Q01 73 H1H006Q01 164 H1H006Q01 mg l -1
Conductivity 183 2.4 H1H007Q01 4.8 H1H007Q01 14.3 H1H006Q01 28 H1H006Q01 mS m -1

Summary of classification: H10F n=183 Class 0


(29) Catchment H10G: Total number of "H...Q" (flow gauging, quality) stations = 1.
Stationtotal n
samples
descriptionmap
code
H1H019Q0167Slanghoek River at Slanghoek 29

H10G - not classified: 0 samples between 2001-01-01 and 2005-12-31, 0 valid samples. Require at least 5.


(30) Catchment H10H: Total number of "H...Q" (flow gauging, quality) stations = 2.
Stationtotal n
samples
descriptionmap
code
H1H020Q0132at Brandwachtsberg on Hartbeesrivier 30
H1H015Q01915Bree River at Die Nekkies Onder Brandvl 31

H10H - Stations used: 2, Samples selected: 84 between 2001-01-01 and 2005-12-31.
Variable n
samples
Minimum recorded
at
Median recorded
at
90th
percentile
recorded
at
Maximum recorded
at
unit
pH 84 6.13 H1H015Q01 7.05 H1H015Q01 7.42 H1H015Q01 8.22 H1H015Q01 -log [H+]
Fluoride 84 0.05 H1H015Q01 0.1 H1H015Q01 0.13 H1H015Q01 0.38 H1H015Q01 mg l -1
NO3(N) 84 0.02 H1H015Q01 0.304 H1H015Q01 0.981 H1H015Q01 1.698 H1H015Q01 mg l -1
Sulphate 84 2 H1H015Q01 6.8 H1H015Q01 11.9 H1H015Q01 19.1 H1H015Q01 mg l -1
Chloride 84 5 H1H015Q01 13.5 H1H015Q01 20.7 H1H015Q01 26.1 H1H015Q01 mg l -1
Sodium 84 3.5 H1H015Q01 7.1 H1H015Q01 9.6 H1H015Q01 13.1 H1H015Q01 mg l -1
Magnesium 84 0.5 H1H015Q01 2.2 H1H015Q01 3.5 H1H015Q01 4.7 H1H015Q01 mg l -1
TDS 84 29 H1H015Q01 46 H1H015Q01 68 H1H015Q01 88 H1H015Q01 mg l -1
Conductivity 84 4.6 H1H015Q01 8.9 H1H015Q01 12.6 H1H015Q01 17.1 H1H015Q01 mS m -1

Summary of classification: H10H n=84 Class 0


(31) Catchment H10J: Total number of "H...Q" (flow gauging, quality) stations = 3.
Stationtotal n
samples
descriptionmap
code
H1H018Q011190Molenaars River at Hawequas Forest Reser 32
H1H017Q01699at Hawequas Forest Reserve on Elandsrivi 33
H1H033Q01117at Hawequas Forest Reserve on Elandsrivi 34

H10J - Stations used: 3, Samples selected: 142 between 2001-01-01 and 2005-12-31.
Variable n
samples
Minimum recorded
at
Median recorded
at
90th
percentile
recorded
at
Maximum recorded
at
unit
pH 142 4.66 H1H033Q01 6.08 H1H033Q01 7.03 H1H018Q01 7.86 H1H018Q01 -log [H+]
Fluoride 142 0.05 H1H033Q01 0.1 H1H018Q01 0.12 H1H018Q01 0.16 H1H018Q01 mg l -1
NO3(N) 142 0.02 H1H033Q01 0.093 H1H018Q01 0.176 H1H018Q01 0.985 H1H018Q01 mg l -1
Sulphate 142 2 H1H018Q01 3 H1H018Q01 6.4 H1H033Q01 11.2 H1H018Q01 mg l -1
Chloride 142 2 H1H033Q01 5.2 H1H033Q01 7.6 H1H033Q01 14.2 H1H033Q01 mg l -1
Sodium 142 1 H1H018Q01 3.3 H1H018Q01 4.2 H1H018Q01 5.6 H1H033Q01 mg l -1
Magnesium 142 0.5 H1H018Q01 0.5 H1H018Q01 1.1 H1H033Q01 1.9 H1H018Q01 mg l -1
TDS 142 12 H1H018Q01 21 H1H033Q01 28 H1H033Q01 38 H1H033Q01 mg l -1
Conductivity 142 2.3 H1H018Q01 3.4 H1H018Q01 4.3 H1H018Q01 6 H1H033Q01 mS m -1

Summary of classification: H10J n=142 Class 0


(32) Catchment H10K: Total number of "H...Q" (flow gauging, quality) stations = 3.
Stationtotal n
samples
descriptionmap
code
H1H009Q0146Holsloot River at Boontjiesrivier 35
H1H012Q01226Holsloot River at Daschbosch Rivier 36
H1H032Q01damStettynskloof Dam on Holsloot River: Downone

H10K - Stations used: 2, Samples selected: 26 between 2001-01-01 and 2005-12-31.
Variable n
samples
Minimum recorded
at
Median recorded
at
90th
percentile
recorded
at
Maximum recorded
at
unit
pH 26 5.11 H1H012Q01 6.4 H1H012Q01 7.1 H1H012Q01 8.3 H1H012Q01 -log [H+]
Fluoride 26 0.05 H1H012Q01 0.05 H1H012Q01 0.11 H1H012Q01 0.12 H1H012Q01 mg l -1
NO3(N) 26 0.02 H1H012Q01 0.297 H1H012Q01 0.652 H1H012Q01 1.454 H1H012Q01 mg l -1
Sulphate 26 2 H1H012Q01 6.4 H1H012Q01 10.8 H1H012Q01 12.3 H1H012Q01 mg l -1
Chloride 26 5 H1H012Q01 11 H1H012Q01 15.2 H1H012Q01 20.4 H1H012Q01 mg l -1
Sodium 26 2.3 H1H012Q01 4.7 H1H012Q01 7.3 H1H012Q01 8.8 H1H012Q01 mg l -1
Magnesium 26 0.5 H1H012Q01 1.5 H1H012Q01 2.9 H1H012Q01 4 H1H012Q01 mg l -1
TDS 26 19 H1H012Q01 30 H1H012Q01 54 H1H009Q01 65 H1H012Q01 mg l -1
Conductivity 26 2.5 H1H012Q01 5.5 H1H012Q01 10.7 H1H012Q01 12.6 H1H012Q01 mS m -1

Summary of classification: H10K n=26 Class 0


(33) Catchment H10L: Total number of "H...Q" (flow gauging, quality) stations = 5.
Stationtotal n
samples
descriptionmap
code
H1H029Q01damBrandvlei Dam:inlet Canal From Holslootnone
H1H009Q0146Holsloot River at Boontjiesrivier 37
H1H027Q01damBrandvlei Dam: Right Canalnone
H4H021Q01canalLe Chasseur Canal From Bree at Onder Branone
H4H006Q01701Bree River at Onder Brandvlei-Le Chasseu 38

H10L - not classified: 1 samples between 2001-01-01 and 2005-12-31, 1 valid samples. Require at least 5.


(36) Catchment H20C: Total number of "H...Q" (flow gauging, quality) stations = 5.
Stationtotal n
samples
descriptionmap
code
E2H009Q01coord
error
Drainage region error for Inverdoorn Canal From Valsgat River at U:
Secondary=H2 but station=E2
!
E2H009Q01coord
error
Inverdoorn Canal From Valsgat River at Unone
H2H007Q01canalInverdoorn Canal From Valsgat Riv at Hotnone
H2H008Q01391Valsgat River at Hottentots Kraal 39
H2H009Q01canalSpek Canal From Spek River at Uitkomstnone
H2H016Q01damLakenvallei Dam on Sanddrifskloof Riv: Dnone

H20C - not classified: 0 samples between 2001-01-01 and 2005-12-31, 0 valid samples. Require at least 5.


(37) Catchment H20D: Total number of "H...Q" (flow gauging, quality) stations = 3.
Stationtotal n
samples
descriptionmap
code
H2H016Q01damLakenvallei Dam on Sanddrifskloof Riv: Dnone
H2H015Q01damRoode Els Berg Dam on Sanddrifskloof Rivnone
H2H004Q01230Sanddrifskloof River at Zanddrifts Kloof 40

H20D - not classified: 0 samples between 2001-01-01 and 2005-12-31, 0 valid samples. Require at least 5.


(39) Catchment H20F: Total number of "H...Q" (flow gauging, quality) stations = 2.
Stationtotal n
samples
descriptionmap
code
H2H005Q01355Rooi-Elskloof River at Roode Els Berg 41
H2H014Q01damRoode Els Berg Dam on Sanddrifskloof Rivnone

H20F - Stations used: 1, Samples selected: 27 between 2001-01-01 and 2005-12-31.
Variable n
samples
Minimum recorded
at
Median recorded
at
90th
percentile
recorded
at
Maximum recorded
at
unit
pH 27 5.2 H2H005Q01 5.96 H2H005Q01 6.61 H2H005Q01 7.62 H2H005Q01 -log [H+]
Fluoride 27 0.05 H2H005Q01 0.05 H2H005Q01 0.1 H2H005Q01 0.13 H2H005Q01 mg l -1
NO3(N) 27 0.02 H2H005Q01 0.04 H2H005Q01 0.066 H2H005Q01 0.102 H2H005Q01 mg l -1
Sulphate 27 2 H2H005Q01 2 H2H005Q01 4.3 H2H005Q01 9.6 H2H005Q01 mg l -1
Chloride 27 2.5 H2H005Q01 5.2 H2H005Q01 7 H2H005Q01 9.7 H2H005Q01 mg l -1
Sodium 27 1 H2H005Q01 2.7 H2H005Q01 3.3 H2H005Q01 3.5 H2H005Q01 mg l -1
Magnesium 27 0.5 H2H005Q01 0.5 H2H005Q01 0.5 H2H005Q01 1.1 H2H005Q01 mg l -1
TDS 27 12 H2H005Q01 19 H2H005Q01 24 H2H005Q01 31 H2H005Q01 mg l -1
Conductivity 27 2.2 H2H005Q01 2.8 H2H005Q01 3.4 H2H005Q01 3.7 H2H005Q01 mS m -1

Summary of classification: H20F n=27 Class 0


(40) Catchment H20G: Total number of "H...Q" (flow gauging, quality) stations = 6.
Stationtotal n
samples
descriptionmap
code
H2H011Q01canalDe Wet Canal From Hex Riv at New Glen Henone
H2H001Q01225Hex River at New Glen Heatlie-Sesbek 42
H2H012Q01canalNonna Canal From Hex River at New Glen Hnone
H2H006Q011074Hex River at Glen Heatlie 43
H2H013Q01canalCanal Right From Hex River at De Wetnone
H2H003Q01321Hex River at De Wet 44

H20G - Stations used: 3, Samples selected: 87 between 2001-01-01 and 2005-12-31.
Variable n
samples
Minimum recorded
at
Median recorded
at
90th
percentile
recorded
at
Maximum recorded
at
unit
pH 87 5.57 H2H006Q01 6.81 H2H006Q01 7.27 H2H006Q01 7.76 H2H006Q01 -log [H+]
Fluoride 87 0.05 H2H006Q01 0.1 H2H006Q01 0.12 H2H006Q01 0.45 H2H006Q01 mg l -1
NO3(N) 87 0.02 H2H006Q01 0.54 H2H006Q01 0.789 H2H006Q01 1.356 H2H006Q01 mg l -1
Sulphate 87 2 H2H006Q01 5.8 H2H006Q01 12.1 H2H006Q01 27.1 H2H006Q01 mg l -1
Chloride 87 2.5 H2H006Q01 10.1 H2H006Q01 14.6 H2H006Q01 29.1 H2H006Q01 mg l -1
Sodium 87 2.5 H2H006Q01 4.9 H2H006Q01 7.7 H2H006Q01 12 H2H006Q01 mg l -1
Magnesium 87 0.5 H2H006Q01 1.7 H2H006Q01 2.8 H2H006Q01 5.4 H2H006Q01 mg l -1
TDS 87 16 H2H006Q01 36 H2H006Q01 57 H2H006Q01 106 H2H006Q01 mg l -1
Conductivity 87 2.3 H2H006Q01 6.9 H2H006Q01 11.1 H2H006Q01 21.9 H2H006Q01 mS m -1

Summary of classification: H20G n=87 Class 0


(41) Catchment H20H: Total number of "H...Q" (flow gauging, quality) stations = 3.
Stationtotal n
samples
descriptionmap
code
H2H013Q01canalCanal Right From Hex River at De Wetnone
H2H003Q01321Hex River at De Wet 45
H2H010Q011026Hex River at Worcester-Drie Riviere Bri 46

H20H - Stations used: 2, Samples selected: 83 between 2001-01-01 and 2005-12-31.
Variable n
samples
Minimum recorded
at
Median recorded
at
90th
percentile
recorded
at
Maximum recorded
at
unit
pH 83 7.2 H2H010Q01 8.28 H2H010Q01 8.51 H2H010Q01 8.7 H2H010Q01 -log [H+]
Fluoride 83 0.1 H2H010Q01 0.68 H2H010Q01 0.78 H2H010Q01 0.95 H2H010Q01 mg l -1
NO3(N) 83 0.02 H2H010Q01 0.744 H2H010Q01 1.351 H2H010Q01 1.789 H2H010Q01 mg l -1
Sulphate 83 24.1 H2H010Q01 310.5 H2H010Q01 385.4 H2H010Q01 555.4 H2H010Q01 mg l -1
Chloride 83 141.9 H2H010Q01 483.9 H2H010Q01 556.2 H2H010Q01 858.5 H2H010Q01 mg l -1
Sodium 83 88 H2H010Q01 364.1 H2H010Q01 419.4 H2H010Q01 611.5 H2H010Q01 mg l -1
Magnesium 83 13.7 H2H010Q01 77.9 H2H010Q01 87.9 H2H010Q01 126.7 H2H010Q01 mg l -1
TDS 83 326 H2H010Q01 1687 H2H010Q01 1909 H2H010Q01 2683 H2H010Q01 mg l -1
Conductivity 83 61.3 H2H010Q01 269 H2H010Q01 291.4 H2H010Q01 412 H2H010Q01 mS m -1

Summary of classification (consituents in each range in brackets): H20H n=83 Class 3: I(SO4) II(Cl Mg TDS EC) III(Na)


(42) Catchment H30A: Total number of "H...Q" (flow gauging, quality) stations = 2.
Stationtotal n
samples
descriptionmap
code
H3H013Q01damPoortjieskloof Dam on Groot River: Leftnone
H3H009Q0136Dwariega River at Riet Rivier 47

H30A - not classified: 0 samples between 2001-01-01 and 2005-12-31, 0 valid samples. Require at least 5.


(44) Catchment H30C: Total number of "H...Q" (flow gauging, quality) stations = 7.
Stationtotal n
samples
descriptionmap
code
H3H014Q01damPietersfontein Dam on Pietersft..Riv: Irnone
H3H015Q01damPietersfontein Dam on Pietersft.Riv: Downone
H3H006Q013Warmwaterskloof River at Aan De Cogmansk 48
H3H007Q01eyeBadenfonteine Eye at Aan De Cogmanskloofnone
H3H010Q012Warmwaterskloof Upper River at Aan De Co 49
H3H005Q01185Keisie River at Keisiesdoorns 50
H3H008Q014Warmwaterskloof Lower River at Aan De Co 51

H30C - not classified: 4 samples between 2001-01-01 and 2005-12-31, 4 valid samples. Require at least 5.


(45) Catchment H30D: Total number of "H...Q" (flow gauging, quality) stations = 2.
Stationtotal n
samples
descriptionmap
code
H3H004Q0182Keisie River at Harmonie 52
H3H005Q01185Keisie River at Keisiesdoorns 53

H30D - not classified: 4 samples between 2001-01-01 and 2005-12-31, 4 valid samples. Require at least 5.


(46) Catchment H30E: Total number of "H...Q" (flow gauging, quality) stations = 1.
Stationtotal n
samples
descriptionmap
code
H3H011Q011168Kogmanskloof River at Goudmyn 54

H30E - Stations used: 1, Samples selected: 95 between 2001-01-01 and 2005-12-31.
Variable n
samples
Minimum recorded
at
Median recorded
at
90th
percentile
recorded
at
Maximum recorded
at
unit
pH 95 7.54 H3H011Q01 8.2 H3H011Q01 8.43 H3H011Q01 8.64 H3H011Q01 -log [H+]
Fluoride 95 0.19 H3H011Q01 0.42 H3H011Q01 0.61 H3H011Q01 0.74 H3H011Q01 mg l -1
NO3(N) 95 0.02 H3H011Q01 0.852 H3H011Q01 1.627 H3H011Q01 2.416 H3H011Q01 mg l -1
Sulphate 95 43.1 H3H011Q01 185.1 H3H011Q01 296.5 H3H011Q01 441 H3H011Q01 mg l -1
Chloride 95 179.6 H3H011Q01 696.7 H3H011Q01 1176.7 H3H011Q01 1468.8 H3H011Q01 mg l -1
Sodium 95 169.3 H3H011Q01 434.5 H3H011Q01 706.9 H3H011Q01 896.3 H3H011Q01 mg l -1
Magnesium 95 18.9 H3H011Q01 77.7 H3H011Q01 125.6 H3H011Q01 156.2 H3H011Q01 mg l -1
TDS 95 722 H3H011Q01 1717 H3H011Q01 2862 H3H011Q01 3602 H3H011Q01 mg l -1
Conductivity 95 137 H3H011Q01 311 H3H011Q01 482 H3H011Q01 577 H3H011Q01 mS m -1

Summary of classification (consituents in each range in brackets): H30E n=95 Class 3: I(SO4) II( ) III(Cl Na Mg TDS EC)


(48) Catchment H40B: Total number of "H...Q" (flow gauging, quality) stations = 3.
Stationtotal n
samples
descriptionmap
code
H4H033Q01damKeerom Dam on Nuy River: Right Canalnone
H4H008Q01171Koo River at Dwars in Die Weg 55
H4H007Q01147Koo River at Die Koo 56

H40B - not classified: 0 samples between 2001-01-01 and 2005-12-31, 0 valid samples. Require at least 5.


(49) Catchment H40C: Total number of "H...Q" (flow gauging, quality) stations = 4.
Stationtotal n
samples
descriptionmap
code
H4H021Q01canalLe Chasseur Canal From Bree at Onder Branone
H4H006Q01701Bree River at Onder Brandvlei-Le Chasseu 57
H4H023Q01255Nuy River at Doornrivier-Alfa 58
H4H020Q01940Nuy River at Doornrivier 59

H40C - Stations used: 3, Samples selected: 99 between 2001-01-01 and 2005-12-31.
Variable n
samples
Minimum recorded
at
Median recorded
at
90th
percentile
recorded
at
Maximum recorded
at
unit
pH 99 6.6 H4H020Q01 8.19 H4H020Q01 8.37 H4H020Q01 8.66 H4H020Q01 -log [H+]
Fluoride 99 0.18 H4H020Q01 0.86 H4H020Q01 1.05 H4H020Q01 1.24 H4H020Q01 mg l -1
NO3(N) 99 0.02 H4H020Q01 0.213 H4H020Q01 0.683 H4H020Q01 1.455 H4H020Q01 mg l -1
Sulphate 99 57.3 H4H020Q01 495.4 H4H020Q01 661.6 H4H020Q01 777 H4H020Q01 mg l -1
Chloride 99 188.5 H4H020Q01 1275.7 H4H020Q01 1662.9 H4H020Q01 1998.6 H4H020Q01 mg l -1
Sodium 99 117.5 H4H020Q01 750.5 H4H020Q01 927.5 H4H020Q01 1128.7 H4H020Q01 mg l -1
Magnesium 99 24 H4H020Q01 157.8 H4H020Q01 199.2 H4H020Q01 244.7 H4H020Q01 mg l -1
TDS 99 511 H4H020Q01 3314 H4H020Q01 4088 H4H020Q01 4819 H4H020Q01 mg l -1
Conductivity 99 93 H4H020Q01 524 H4H020Q01 634.4 H4H020Q01 768 H4H020Q01 mS m -1

Summary of classification (consituents in each range in brackets): H40C n=99 Class 3: I(F) II( ) III(SO4 Cl Na Mg TDS EC)


(51) Catchment H40E: Total number of "H...Q" (flow gauging, quality) stations = 4.
Stationtotal n
samples
descriptionmap
code
H4H020Q01940Nuy River at Doornrivier 60
H4H035Q01damKwaggaskloof Dam: Canal From Dam Leftnone
H4H022Q01damLe Chasseur Canal From Kwaggaskloof Damnone
H4H013Q01171Hoeks River at Moddergat 61

H40E - Stations used: 2, Samples selected: 99 between 2001-01-01 and 2005-12-31.
Variable n
samples
Minimum recorded
at
Median recorded
at
90th
percentile
recorded
at
Maximum recorded
at
unit
pH 99 6.6 H4H020Q01 8.19 H4H020Q01 8.37 H4H020Q01 8.66 H4H020Q01 -log [H+]
Fluoride 99 0.18 H4H020Q01 0.86 H4H020Q01 1.05 H4H020Q01 1.24 H4H020Q01 mg l -1
NO3(N) 99 0.02 H4H020Q01 0.213 H4H020Q01 0.683 H4H020Q01 1.455 H4H020Q01 mg l -1
Sulphate 99 57.3 H4H020Q01 495.4 H4H020Q01 661.6 H4H020Q01 777 H4H020Q01 mg l -1
Chloride 99 188.5 H4H020Q01 1275.7 H4H020Q01 1662.9 H4H020Q01 1998.6 H4H020Q01 mg l -1
Sodium 99 117.5 H4H020Q01 750.5 H4H020Q01 927.5 H4H020Q01 1128.7 H4H020Q01 mg l -1
Magnesium 99 24 H4H020Q01 157.8 H4H020Q01 199.2 H4H020Q01 244.7 H4H020Q01 mg l -1
TDS 99 511 H4H020Q01 3314 H4H020Q01 4088 H4H020Q01 4819 H4H020Q01 mg l -1
Conductivity 99 93 H4H020Q01 524 H4H020Q01 634.4 H4H020Q01 768 H4H020Q01 mS m -1

Summary of classification (consituents in each range in brackets): H40E n=99 Class 3: I(F) II( ) III(SO4 Cl Na Mg TDS EC)


(52) Catchment H40F: Total number of "H...Q" (flow gauging, quality) stations = 2.
Stationtotal n
samples
descriptionmap
code
H4H014Q01694Bree River at Karroo-Moordkuil 62
H4H017Q011191Bree River at La Chasseur 63

H40F - Stations used: 2, Samples selected: 94 between 2001-01-01 and 2005-12-31.
Variable n
samples
Minimum recorded
at
Median recorded
at
90th
percentile
recorded
at
Maximum recorded
at
unit
pH 94 6.5 H4H017Q01 7.38 H4H017Q01 7.66 H4H017Q01 8.45 H4H017Q01 -log [H+]
Fluoride 94 0.05 H4H017Q01 0.11 H4H017Q01 0.16 H4H017Q01 0.28 H4H017Q01 mg l -1
NO3(N) 94 0.02 H4H017Q01 0.115 H4H017Q01 0.756 H4H017Q01 1.577 H4H017Q01 mg l -1
Sulphate 94 2 H4H017Q01 16.7 H4H017Q01 27.7 H4H017Q01 112.7 H4H017Q01 mg l -1
Chloride 94 14.7 H4H017Q01 41.3 H4H017Q01 77.6 H4H017Q01 267.2 H4H017Q01 mg l -1
Sodium 94 8.4 H4H017Q01 23.2 H4H017Q01 42.7 H4H017Q01 166.9 H4H017Q01 mg l -1
Magnesium 94 2 H4H017Q01 5.1 H4H017Q01 8.7 H4H017Q01 38.4 H4H017Q01 mg l -1
TDS 94 48 H4H017Q01 114 H4H017Q01 200 H4H017Q01 733 H4H017Q01 mg l -1
Conductivity 94 9.4 H4H017Q01 23.1 H4H017Q01 39.1 H4H017Q01 127.4 H4H017Q01 mS m -1

Summary of classification: H40F n=94 Class 0


(53) Catchment H40G: Total number of "H...Q" (flow gauging, quality) stations = 2.
Stationtotal n
samples
descriptionmap
code
H4H018Q011247Poesjenels River at La Chasseur 64
H4H012Q01316Waterkloof Spruit at Poesjenelsrivier 65

H40G - Stations used: 2, Samples selected: 91 between 2001-01-01 and 2005-12-31.
Variable n
samples
Minimum recorded
at
Median recorded
at
90th
percentile
recorded
at
Maximum recorded
at
unit
pH 91 7.35 H4H018Q01 8.17 H4H018Q01 8.37 H4H018Q01 8.61 H4H018Q01 -log [H+]
Fluoride 91 0.18 H4H018Q01 0.79 H4H018Q01 0.91 H4H018Q01 1 H4H018Q01 mg l -1
NO3(N) 91 0.055 H4H018Q01 0.6 H4H018Q01 1.249 H4H018Q01 3.595 H4H018Q01 mg l -1
Sulphate 91 42.1 H4H018Q01 404 H4H018Q01 611.6 H4H018Q01 727.5 H4H018Q01 mg l -1
Chloride 91 136.5 H4H018Q01 1679.7 H4H018Q01 2426.2 H4H018Q01 3094.7 H4H018Q01 mg l -1
Sodium 91 83.8 H4H018Q01 926.4 H4H018Q01 1375.2 H4H018Q01 1770.3 H4H018Q01 mg l -1
Magnesium 91 13.7 H4H018Q01 175.4 H4H018Q01 235.9 H4H018Q01 310.9 H4H018Q01 mg l -1
TDS 91 383 H4H018Q01 3812 H4H018Q01 5362 H4H018Q01 6535 H4H018Q01 mg l -1
Conductivity 91 59.7 H4H018Q01 618 H4H018Q01 841 H4H018Q01 1054 H4H018Q01 mS m -1

Summary of classification (consituents in each range in brackets): H40G n=91 Class 3: I( ) II( ) III(SO4 Cl Na Mg TDS EC)


(54) Catchment H40H: Total number of "H...Q" (flow gauging, quality) stations = 1.
Stationtotal n
samples
descriptionmap
code
H4H019Q011208Vink River at De Gorree 66

H40H - Stations used: 1, Samples selected: 100 between 2001-01-01 and 2005-12-31.
Variable n
samples
Minimum recorded
at
Median recorded
at
90th
percentile
recorded
at
Maximum recorded
at
unit
pH 100 6.65 H4H019Q01 8.11 H4H019Q01 8.31 H4H019Q01 8.49 H4H019Q01 -log [H+]
Fluoride 100 0.05 H4H019Q01 0.55 H4H019Q01 0.79 H4H019Q01 0.84 H4H019Q01 mg l -1
NO3(N) 100 0.02 H4H019Q01 0.408 H4H019Q01 0.967 H4H019Q01 1.368 H4H019Q01 mg l -1
Sulphate 100 13.1 H4H019Q01 149.1 H4H019Q01 222.5 H4H019Q01 603.3 H4H019Q01 mg l -1
Chloride 100 78.8 H4H019Q01 522.8 H4H019Q01 827.5 H4H019Q01 3001.9 H4H019Q01 mg l -1
Sodium 100 47 H4H019Q01 298.1 H4H019Q01 446.8 H4H019Q01 1585.7 H4H019Q01 mg l -1
Magnesium 100 10.2 H4H019Q01 67 H4H019Q01 93.1 H4H019Q01 295.3 H4H019Q01 mg l -1
TDS 100 227 H4H019Q01 1381 H4H019Q01 2062 H4H019Q01 6223 H4H019Q01 mg l -1
Conductivity 100 41.8 H4H019Q01 250 H4H019Q01 340 H4H019Q01 1021 H4H019Q01 mS m -1

Summary of classification (consituents in each range in brackets): H40H n=100 Class 3: I(SO4) II(Mg TDS EC) III(Cl Na)


(55) Catchment H40J: Total number of "H...Q" (flow gauging, quality) stations = 2.
Stationtotal n
samples
descriptionmap
code
H4H005Q01177Willem Nels River at Langevalley 67
H4H024Q01canalRobertson Canal From Bree River at De Gonone

H40J - not classified: 0 samples between 2001-01-01 and 2005-12-31, 0 valid samples. Require at least 5.


(56) Catchment H40K: Total number of "H...Q" (flow gauging, quality) stations = 6.
Stationtotal n
samples
descriptionmap
code
H4H011Q01281Keisers River at Uitnood 68
H4H016Q01716Keisers River at Mc Gregor Commonage-Vro 69
H4H034Q01damKlipberg Dam on Konings River: Left Cananone
H4H010Q0165Houtbaais River at Schurfberg 70
H4H015Q01391Houtbaais River at Schurfberg 71
H4H009Q01234Hoeks River Tributary Keisers at Hoeks 72

H40K - Stations used: 5, Samples selected: 54 between 2001-01-01 and 2005-12-31.
Variable n
samples
Minimum recorded
at
Median recorded
at
90th
percentile
recorded
at
Maximum recorded
at
unit
pH 54 4.51 H4H015Q01 7.34 H4H016Q01 8.46 H4H016Q01 8.92 H4H016Q01 -log [H+]
Fluoride 54 0.05 H4H015Q01 0.15 H4H015Q01 1.08 H4H016Q01 1.89 H4H016Q01 mg l -1
NO3(N) 54 0.02 H4H015Q01 0.04 H4H016Q01 0.282 H4H016Q01 3.161 H4H016Q01 mg l -1
Sulphate 54 2 H4H015Q01 11.5 H4H015Q01 142.5 H4H016Q01 273.9 H4H016Q01 mg l -1
Chloride 54 10.9 H4H015Q01 18.6 H4H015Q01 457.3 H4H016Q01 1425.9 H4H016Q01 mg l -1
Sodium 54 3.9 H4H015Q01 9.7 H4H015Q01 348.2 H4H016Q01 940.9 H4H016Q01 mg l -1
Magnesium 54 0.5 H4H015Q01 1.9 H4H015Q01 57.3 H4H016Q01 127.8 H4H016Q01 mg l -1
TDS 54 30 H4H015Q01 42 H4H015Q01 1457 H4H016Q01 3289 H4H016Q01 mg l -1
Conductivity 54 5.8 H4H015Q01 8.4 H4H015Q01 246 H4H016Q01 565 H4H016Q01 mS m -1

Summary of classification (consituents in each range in brackets): H40K n=54 Class 2: I(F Mg) II(Cl Na TDS EC)


(57) Catchment H40L: Total number of "H...Q" (flow gauging, quality) stations = 1.
Stationtotal n
samples
descriptionmap
code
H3H011Q011168Kogmanskloof River at Goudmyn 73

H40L - Stations used: 1, Samples selected: 95 between 2001-01-01 and 2005-12-31.
Variable n
samples
Minimum recorded
at
Median recorded
at
90th
percentile
recorded
at
Maximum recorded
at
unit
pH 95 7.54 H3H011Q01 8.2 H3H011Q01 8.43 H3H011Q01 8.64 H3H011Q01 -log [H+]
Fluoride 95 0.19 H3H011Q01 0.42 H3H011Q01 0.61 H3H011Q01 0.74 H3H011Q01 mg l -1
NO3(N) 95 0.02 H3H011Q01 0.852 H3H011Q01 1.627 H3H011Q01 2.416 H3H011Q01 mg l -1
Sulphate 95 43.1 H3H011Q01 185.1 H3H011Q01 296.5 H3H011Q01 441 H3H011Q01 mg l -1
Chloride 95 179.6 H3H011Q01 696.7 H3H011Q01 1176.7 H3H011Q01 1468.8 H3H011Q01 mg l -1
Sodium 95 169.3 H3H011Q01 434.5 H3H011Q01 706.9 H3H011Q01 896.3 H3H011Q01 mg l -1
Magnesium 95 18.9 H3H011Q01 77.7 H3H011Q01 125.6 H3H011Q01 156.2 H3H011Q01 mg l -1
TDS 95 722 H3H011Q01 1717 H3H011Q01 2862 H3H011Q01 3602 H3H011Q01 mg l -1
Conductivity 95 137 H3H011Q01 311 H3H011Q01 482 H3H011Q01 577 H3H011Q01 mS m -1

Summary of classification (consituents in each range in brackets): H40L n=95 Class 3: I(SO4) II( ) III(Cl Na Mg TDS EC)


(58) Catchment H50A: Total number of "H...Q" (flow gauging, quality) stations = 6.
Stationtotal n
samples
descriptionmap
code
H3H011Q011168Kogmanskloof River at Goudmyn 74
H5H002Q01827Bree River at Goudmyn-Rooibrug 75
H5H006Q01canalSanddrift Canal From Bree River at Goudmnone
H5H007Q01canalAngora Canal From Bree River at Wolvendrnone
H5H004Q011265Bree River at Wolvendrift-Secunda 76
H5H003Q01476Boesmans River at Boschjesmans Rivier 77

H50A - Stations used: 4, Samples selected: 211 between 2001-01-01 and 2005-12-31.
Variable n
samples
Minimum recorded
at
Median recorded
at
90th
percentile
recorded
at
Maximum recorded
at
unit
pH 211 5.16 H5H003Q01 8.09 H5H004Q01 8.42 H3H011Q01 9.07 H5H004Q01 -log [H+]
Fluoride 211 0.05 H5H003Q01 0.28 H5H004Q01 0.57 H3H011Q01 0.75 H5H004Q01 mg l -1
NO3(N) 211 0.02 H5H003Q01 0.436 H5H004Q01 1.36 H5H004Q01 2.416 H3H011Q01 mg l -1
Sulphate 211 3 H5H003Q01 117.9 H3H011Q01 249.2 H3H011Q01 441 H3H011Q01 mg l -1
Chloride 211 12.3 H5H003Q01 420.7 H5H004Q01 1002.2 H5H004Q01 1468.8 H3H011Q01 mg l -1
Sodium 211 5.5 H5H003Q01 251.9 H5H004Q01 612.9 H5H004Q01 896.3 H3H011Q01 mg l -1
Magnesium 211 1.2 H5H003Q01 46.8 H5H004Q01 105.9 H3H011Q01 156.2 H3H011Q01 mg l -1
TDS 211 43 H5H003Q01 1094 H5H004Q01 2448 H5H004Q01 3602 H3H011Q01 mg l -1
Conductivity 211 6.2 H5H003Q01 197 H5H004Q01 406.6 H3H011Q01 577 H3H011Q01 mS m -1

Summary of classification (consituents in each range in brackets): H50A n=211 Class 3: I(SO4) II(TDS) III(Cl Na Mg EC)


(59) Catchment H50B: Total number of "H...Q" (flow gauging, quality) stations = 1.
Stationtotal n
samples
descriptionmap
code
H5H005Q011267Bree River at Wagenboomsheuvel-Drew 78

H50B - Stations used: 1, Samples selected: 80 between 2001-01-01 and 2005-12-31.
Variable n
samples
Minimum recorded
at
Median recorded
at
90th
percentile
recorded
at
Maximum recorded
at
unit
pH 80 6.29 H5H005Q01 7.97 H5H005Q01 8.38 H5H005Q01 8.98 H5H005Q01 -log [H+]
Fluoride 80 0.05 H5H005Q01 0.24 H5H005Q01 0.46 H5H005Q01 0.54 H5H005Q01 mg l -1
NO3(N) 80 0.02 H5H005Q01 0.084 H5H005Q01 0.76 H5H005Q01 1.615 H5H005Q01 mg l -1
Sulphate 80 6 H5H005Q01 61 H5H005Q01 118 H5H005Q01 154.7 H5H005Q01 mg l -1
Chloride 80 17.5 H5H005Q01 214.8 H5H005Q01 431.6 H5H005Q01 554.3 H5H005Q01 mg l -1
Sodium 80 8.5 H5H005Q01 131.5 H5H005Q01 275.5 H5H005Q01 344.4 H5H005Q01 mg l -1
Magnesium 80 1.4 H5H005Q01 23.7 H5H005Q01 50.8 H5H005Q01 70.6 H5H005Q01 mg l -1
TDS 80 46 H5H005Q01 564 H5H005Q01 1156 H5H005Q01 1404 H5H005Q01 mg l -1
Conductivity 80 8.5 H5H005Q01 97 H5H005Q01 210 H5H005Q01 244 H5H005Q01 mS m -1

Summary of classification (consituents in each range in brackets): H50B n=80 Class 2: I(Mg) II(Cl Na TDS EC)


(60) Catchment H60A: Total number of "H...Q" (flow gauging, quality) stations = 2.
Stationtotal n
samples
descriptionmap
code
H6H008Q01378Riviersonderend at Swarte Water-Nuweberg 79
H6H011Q01174Waterkloof River at Tydsgenoeg-Vyeboom 80

H60A - not classified: 0 samples between 2001-01-01 and 2005-12-31, 0 valid samples. Require at least 5.


(61) Catchment H60B: Total number of "H...Q" (flow gauging, quality) stations = 2.
Stationtotal n
samples
descriptionmap
code
H6H007Q01375Du Toits River at Purgatory Outspan 81
H6H011Q01174Waterkloof River at Tydsgenoeg-Vyeboom 82

H60B - not classified: 0 samples between 2001-01-01 and 2005-12-31, 0 valid samples. Require at least 5.


(62) Catchment H60C: Total number of "H...Q" (flow gauging, quality) stations = 4.
Stationtotal n
samples
descriptionmap
code
H6H015Q01damElandskloof Dam on Elands River: Down Stnone
H6H006Q01176at Twistniet Radyn on Elandsrivier 83
H6H010Q01174Waterkloof River at Wagensbooms Kloof 84
H6H012Q01damTheewaterskloof Dam on Riviersonderend Rnone

H60C - not classified: 0 samples between 2001-01-01 and 2005-12-31, 0 valid samples. Require at least 5.


(63) Catchment H60D: Total number of "H...Q" (flow gauging, quality) stations = 1.
Stationtotal n
samples
descriptionmap
code
H6H012Q01damTheewaterskloof Dam on Riviersonderend Rnone

H60D - not classified: 0 samples between 2001-01-01 and 2005-12-31, 0 valid samples. Require at least 5.


(64) Catchment H60E: Total number of "H...Q" (flow gauging, quality) stations = 1.
Stationtotal n
samples
descriptionmap
code
H6H005Q01447at Genadendal Mission Station on Baviaan 85

H60E - Stations used: 1, Samples selected: 29 between 2001-01-01 and 2005-12-31.
Variable n
samples
Minimum recorded
at
Median recorded
at
90th
percentile
recorded
at
Maximum recorded
at
unit
pH 29 4.57 H6H005Q01 5.49 H6H005Q01 6.38 H6H005Q01 7.46 H6H005Q01 -log [H+]
Fluoride 29 0.05 H6H005Q01 0.1 H6H005Q01 0.12 H6H005Q01 0.14 H6H005Q01 mg l -1
NO3(N) 29 0.02 H6H005Q01 0.04 H6H005Q01 0.055 H6H005Q01 0.125 H6H005Q01 mg l -1
Sulphate 29 2 H6H005Q01 4.7 H6H005Q01 10.5 H6H005Q01 10.9 H6H005Q01 mg l -1
Chloride 29 13.1 H6H005Q01 16.8 H6H005Q01 19.8 H6H005Q01 21.5 H6H005Q01 mg l -1
Sodium 29 4.7 H6H005Q01 8.6 H6H005Q01 10.3 H6H005Q01 11.4 H6H005Q01 mg l -1
Magnesium 29 1.1 H6H005Q01 1.4 H6H005Q01 1.9 H6H005Q01 3.5 H6H005Q01 mg l -1
TDS 29 33 H6H005Q01 42 H6H005Q01 54 H6H005Q01 57 H6H005Q01 mg l -1
Conductivity 29 6.5 H6H005Q01 8.1 H6H005Q01 9.5 H6H005Q01 10.1 H6H005Q01 mS m -1

Summary of classification: H60E n=29 Class 0


(69) Catchment H60K: Total number of "H...Q" (flow gauging, quality) stations = 1.
Stationtotal n
samples
descriptionmap
code
H6H009Q01932Riviersonderend at Reenen 86

H60K - Stations used: 1, Samples selected: 30 between 2001-01-01 and 2005-12-31.
Variable n
samples
Minimum recorded
at
Median recorded
at
90th
percentile
recorded
at
Maximum recorded
at
unit
pH 30 6.08 H6H009Q01 7.12 H6H009Q01 7.86 H6H009Q01 8.09 H6H009Q01 -log [H+]
Fluoride 30 0.05 H6H009Q01 0.1 H6H009Q01 0.15 H6H009Q01 0.16 H6H009Q01 mg l -1
NO3(N) 30 0.02 H6H009Q01 0.109 H6H009Q01 0.372 H6H009Q01 1.565 H6H009Q01 mg l -1
Sulphate 30 5.5 H6H009Q01 16 H6H009Q01 33.7 H6H009Q01 50.2 H6H009Q01 mg l -1
Chloride 30 23.8 H6H009Q01 50.4 H6H009Q01 186.5 H6H009Q01 308.6 H6H009Q01 mg l -1
Sodium 30 13.4 H6H009Q01 26.2 H6H009Q01 112.1 H6H009Q01 189.7 H6H009Q01 mg l -1
Magnesium 30 2.4 H6H009Q01 4.4 H6H009Q01 13.8 H6H009Q01 24.5 H6H009Q01 mg l -1
TDS 30 57 H6H009Q01 122 H6H009Q01 391 H6H009Q01 653 H6H009Q01 mg l -1
Conductivity 30 11.8 H6H009Q01 23.7 H6H009Q01 75.5 H6H009Q01 121.6 H6H009Q01 mS m -1

Summary of classification (consituents in each range in brackets): H60K n=30 Class 1: I(Cl Na EC)


(70) Catchment H60L: Total number of "H...Q" (flow gauging, quality) stations = 1.
Stationtotal n
samples
descriptionmap
code
H6H009Q01932Riviersonderend at Reenen 87

H60L - Stations used: 1, Samples selected: 30 between 2001-01-01 and 2005-12-31.
Variable n
samples
Minimum recorded
at
Median recorded
at
90th
percentile
recorded
at
Maximum recorded
at
unit
pH 30 6.08 H6H009Q01 7.12 H6H009Q01 7.86 H6H009Q01 8.09 H6H009Q01 -log [H+]
Fluoride 30 0.05 H6H009Q01 0.1 H6H009Q01 0.15 H6H009Q01 0.16 H6H009Q01 mg l -1
NO3(N) 30 0.02 H6H009Q01 0.109 H6H009Q01 0.372 H6H009Q01 1.565 H6H009Q01 mg l -1
Sulphate 30 5.5 H6H009Q01 16 H6H009Q01 33.7 H6H009Q01 50.2 H6H009Q01 mg l -1
Chloride 30 23.8 H6H009Q01 50.4 H6H009Q01 186.5 H6H009Q01 308.6 H6H009Q01 mg l -1
Sodium 30 13.4 H6H009Q01 26.2 H6H009Q01 112.1 H6H009Q01 189.7 H6H009Q01 mg l -1
Magnesium 30 2.4 H6H009Q01 4.4 H6H009Q01 13.8 H6H009Q01 24.5 H6H009Q01 mg l -1
TDS 30 57 H6H009Q01 122 H6H009Q01 391 H6H009Q01 653 H6H009Q01 mg l -1
Conductivity 30 11.8 H6H009Q01 23.7 H6H009Q01 75.5 H6H009Q01 121.6 H6H009Q01 mS m -1

Summary of classification (consituents in each range in brackets): H60L n=30 Class 1: I(Cl Na EC)


(71) Catchment H70A: Total number of "H...Q" (flow gauging, quality) stations = 1.
Stationtotal n
samples
descriptionmap
code
H7H006Q01890at Swellendam on Bree River 88

H70A - Stations used: 1, Samples selected: 30 between 2001-01-01 and 2005-12-31.
Variable n
samples
Minimum recorded
at
Median recorded
at
90th
percentile
recorded
at
Maximum recorded
at
unit
pH 30 6.55 H7H006Q01 7.65 H7H006Q01 8.03 H7H006Q01 8.27 H7H006Q01 -log [H+]
Fluoride 30 0.05 H7H006Q01 0.17 H7H006Q01 0.28 H7H006Q01 0.33 H7H006Q01 mg l -1
NO3(N) 30 0.02 H7H006Q01 0.055 H7H006Q01 0.88 H7H006Q01 1.647 H7H006Q01 mg l -1
Sulphate 30 12.1 H7H006Q01 42.6 H7H006Q01 66.7 H7H006Q01 90.5 H7H006Q01 mg l -1
Chloride 30 24.9 H7H006Q01 163.2 H7H006Q01 274.3 H7H006Q01 378.4 H7H006Q01 mg l -1
Sodium 30 9.9 H7H006Q01 102.7 H7H006Q01 173.9 H7H006Q01 221.2 H7H006Q01 mg l -1
Magnesium 30 3.2 H7H006Q01 16.5 H7H006Q01 28.3 H7H006Q01 40.7 H7H006Q01 mg l -1
TDS 30 80 H7H006Q01 405 H7H006Q01 671 H7H006Q01 924 H7H006Q01 mg l -1
Conductivity 30 14.8 H7H006Q01 72.6 H7H006Q01 112.3 H7H006Q01 166 H7H006Q01 mS m -1

Summary of classification (consituents in each range in brackets): H70A n=30 Class 2: I(Na TDS EC) II(Cl)


(72) Catchment H70B: Total number of "H...Q" (flow gauging, quality) stations = 2.
Stationtotal n
samples
descriptionmap
code
H7H005Q01276@ Swellendam Forest Reserve on Hermitag 89
H7H006Q01890at Swellendam on Bree River 90

H70B - Stations used: 2, Samples selected: 56 between 2001-01-01 and 2005-12-31.
Variable n
samples
Minimum recorded
at
Median recorded
at
90th
percentile
recorded
at
Maximum recorded
at
unit
pH 56 4.14 H7H005Q01 6.74 H7H006Q01 7.96 H7H006Q01 8.27 H7H006Q01 -log [H+]
Fluoride 56 0.05 H7H005Q01 0.11 H7H005Q01 0.26 H7H006Q01 1.24 H7H005Q01 mg l -1
NO3(N) 56 0.02 H7H006Q01 0.067 H7H005Q01 0.426 H7H006Q01 1.647 H7H006Q01 mg l -1
Sulphate 56 2 H7H005Q01 16 H7H006Q01 60.8 H7H006Q01 90.5 H7H006Q01 mg l -1
Chloride 56 5 H7H005Q01 35.2 H7H006Q01 252.3 H7H006Q01 378.4 H7H006Q01 mg l -1
Sodium 56 2 H7H005Q01 18.7 H7H006Q01 151.3 H7H006Q01 221.2 H7H006Q01 mg l -1
Magnesium 56 0.5 H7H005Q01 4 H7H006Q01 26.5 H7H006Q01 40.7 H7H006Q01 mg l -1
TDS 56 23 H7H005Q01 92 H7H006Q01 620 H7H006Q01 924 H7H006Q01 mg l -1
Conductivity 56 4.3 H7H005Q01 18.1 H7H006Q01 105.9 H7H006Q01 166 H7H006Q01 mS m -1

Summary of classification (consituents in each range in brackets): H70B n=56 Class 2: I(Na TDS EC) II(Cl)


(73) Catchment H70C: Total number of "H...Q" (flow gauging, quality) stations = 1.
Stationtotal n
samples
descriptionmap
code
H7H004Q01411Huis River at Barrydale 91

H70C - Stations used: 1, Samples selected: 46 between 2001-01-01 and 2005-12-31.
Variable n
samples
Minimum recorded
at
Median recorded
at
90th
percentile
recorded
at
Maximum recorded
at
unit
pH 46 6.41 H7H004Q01 7.92 H7H004Q01 8.38 H7H004Q01 9.02 H7H004Q01 -log [H+]
Fluoride 46 0.15 H7H004Q01 0.31 H7H004Q01 0.66 H7H004Q01 0.83 H7H004Q01 mg l -1
NO3(N) 46 0.02 H7H004Q01 0.055 H7H004Q01 0.279 H7H004Q01 1.302 H7H004Q01 mg l -1
Sulphate 46 16.5 H7H004Q01 34.5 H7H004Q01 74.2 H7H004Q01 86.1 H7H004Q01 mg l -1
Chloride 46 22.5 H7H004Q01 100.9 H7H004Q01 228.7 H7H004Q01 297.8 H7H004Q01 mg l -1
Sodium 46 17.7 H7H004Q01 76.7 H7H004Q01 172.7 H7H004Q01 222.1 H7H004Q01 mg l -1
Magnesium 46 3.2 H7H004Q01 14.4 H7H004Q01 31.3 H7H004Q01 49 H7H004Q01 mg l -1
TDS 46 97 H7H004Q01 374 H7H004Q01 790 H7H004Q01 1012 H7H004Q01 mg l -1
Conductivity 46 13.7 H7H004Q01 60.8 H7H004Q01 124.6 H7H004Q01 181 H7H004Q01 mS m -1

Summary of classification (consituents in each range in brackets): H70C n=46 Class 2: I(Na Mg TDS EC) II(Cl)


(74) Catchment H70D: Total number of "H...Q" (flow gauging, quality) stations = 1.
Stationtotal n
samples
descriptionmap
code
H7H003Q01636at Suurbraak on Buffeljagsrivier 92

H70D - not classified: 0 samples between 2001-01-01 and 2005-12-31, 0 valid samples. Require at least 5.


(75) Catchment H70E: Total number of "H...Q" (flow gauging, quality) stations = 3.
Stationtotal n
samples
descriptionmap
code
H7H003Q01636at Suurbraak on Buffeljagsrivier 93
H7H013Q01damBuffelsjags Dam on Buffeljagsrivier D-Snone
H7H007Q01304Grootkloof River at Sparkenbosch 94

H70E - Stations used: 2, Samples selected: 47 between 2001-01-01 and 2005-12-31.
Variable n
samples
Minimum recorded
at
Median recorded
at
90th
percentile
recorded
at
Maximum recorded
at
unit
pH 47 4.1 H7H007Q01 4.37 H7H007Q01 5.15 H7H007Q01 6.7 H7H007Q01 -log [H+]
Fluoride 47 0.05 H7H007Q01 0.05 H7H007Q01 0.12 H7H007Q01 0.2 H7H007Q01 mg l -1
NO3(N) 47 0.02 H7H007Q01 0.055 H7H007Q01 0.086 H7H007Q01 0.166 H7H007Q01 mg l -1
Sulphate 47 7.5 H7H007Q01 16.3 H7H007Q01 32.9 H7H007Q01 72.9 H7H007Q01 mg l -1
Chloride 47 5 H7H007Q01 10.1 H7H007Q01 12.2 H7H007Q01 13.6 H7H007Q01 mg l -1
Sodium 47 3.5 H7H007Q01 4.7 H7H007Q01 5.7 H7H007Q01 6.1 H7H007Q01 mg l -1
Magnesium 47 0.5 H7H007Q01 1.1 H7H007Q01 1.7 H7H007Q01 3.7 H7H007Q01 mg l -1
TDS 47 28 H7H007Q01 41 H7H007Q01 62 H7H007Q01 94 H7H007Q01 mg l -1
Conductivity 47 4.4 H7H007Q01 6.5 H7H007Q01 7.2 H7H007Q01 7.8 H7H007Q01 mS m -1

Summary of classification (consituents in each range in brackets): H70E n=47 Class 1: I(pH)


(76) Catchment H70F: Total number of "H...Q" (flow gauging, quality) stations = 2.
Stationtotal n
samples
descriptionmap
code
H7H013Q01damBuffelsjags Dam on Buffeljagsrivier D-Snone
H7H007Q01304Grootkloof River at Sparkenbosch 95

H70F - Stations used: 1, Samples selected: 47 between 2001-01-01 and 2005-12-31.
Variable n
samples
Minimum recorded
at
Median recorded
at
90th
percentile
recorded
at
Maximum recorded
at
unit
pH 47 4.1 H7H007Q01 4.37 H7H007Q01 5.15 H7H007Q01 6.7 H7H007Q01 -log [H+]
Fluoride 47 0.05 H7H007Q01 0.05 H7H007Q01 0.12 H7H007Q01 0.2 H7H007Q01 mg l -1
NO3(N) 47 0.02 H7H007Q01 0.055 H7H007Q01 0.086 H7H007Q01 0.166 H7H007Q01 mg l -1
Sulphate 47 7.5 H7H007Q01 16.3 H7H007Q01 32.9 H7H007Q01 72.9 H7H007Q01 mg l -1
Chloride 47 5 H7H007Q01 10.1 H7H007Q01 12.2 H7H007Q01 13.6 H7H007Q01 mg l -1
Sodium 47 3.5 H7H007Q01 4.7 H7H007Q01 5.7 H7H007Q01 6.1 H7H007Q01 mg l -1
Magnesium 47 0.5 H7H007Q01 1.1 H7H007Q01 1.7 H7H007Q01 3.7 H7H007Q01 mg l -1
TDS 47 28 H7H007Q01 41 H7H007Q01 62 H7H007Q01 94 H7H007Q01 mg l -1
Conductivity 47 4.4 H7H007Q01 6.5 H7H007Q01 7.2 H7H007Q01 7.8 H7H007Q01 mS m -1

Summary of classification (consituents in each range in brackets): H70F n=47 Class 1: I(pH)


Processing dam monitoring points:



(1) Checked H2R002Q01 (Lakenvallei) for valid samples...

Quaternary H70K, dam station: H2R002Q01, Samples selected: 32 between 2001-01-01 and 2005-12-31.
[See summary of classification]
Variable n
samples
Minimum recorded
at
Median recorded
at
90th
percentile
recorded
at
Maximum recorded
at
unit
pH 32 6.88 H2R002Q01 7.28 H2R002Q01 7.46 H2R002Q01 7.84 H2R002Q01 -log [H+]
Fluoride 32 0.05 H2R002Q01 0.1 H2R002Q01 0.13 H2R002Q01 0.17 H2R002Q01 mg l -1
NO3(N) 32 0.02 H2R002Q01 0.055 H2R002Q01 0.146 H2R002Q01 0.444 H2R002Q01 mg l -1
Sulphate 32 2 H2R002Q01 8.8 H2R002Q01 12 H2R002Q01 14 H2R002Q01 mg l -1
Chloride 32 21.3 H2R002Q01 26.3 H2R002Q01 31.3 H2R002Q01 34.5 H2R002Q01 mg l -1
Sodium 32 8.9 H2R002Q01 12.2 H2R002Q01 13.9 H2R002Q01 15.1 H2R002Q01 mg l -1
Magnesium 32 2.7 H2R002Q01 3.9 H2R002Q01 4.4 H2R002Q01 4.5 H2R002Q01 mg l -1
TDS 32 56 H2R002Q01 78 H2R002Q01 88 H2R002Q01 90 H2R002Q01 mg l -1
Conductivity 32 12.5 H2R002Q01 15.6 H2R002Q01 17.4 H2R002Q01 18.1 H2R002Q01 mS m -1



(2) Checked H1R003Q01 (Ceres) for valid samples...
Number of samples found = 0: less than the 5 required, so not classified.

(3) Checked H2R001Q01 (Roode Els) for valid samples...
Number of samples found = 0: less than the 5 required, so not classified.

(4) Checked H4R002Q01 (Keerom) for valid samples...
Number of samples found = 0: less than the 5 required, so not classified.

(5) Checked H3R002Q01 (Pietersfontein) for valid samples...
Number of samples found = 0: less than the 5 required, so not classified.

(6) Checked H1R001Q01 (Brandvlei) for valid samples...

Quaternary H70K, dam station: H1R001Q01, Samples selected: 29 between 2001-01-01 and 2005-12-31.
[See summary of classification]
Variable n
samples
Minimum recorded
at
Median recorded
at
90th
percentile
recorded
at
Maximum recorded
at
unit
pH 29 5.78 H1R001Q01 6.83 H1R001Q01 7.2 H1R001Q01 8.05 H1R001Q01 -log [H+]
Fluoride 29 0.05 H1R001Q01 0.1 H1R001Q01 0.12 H1R001Q01 0.13 H1R001Q01 mg l -1
NO3(N) 29 0.02 H1R001Q01 0.055 H1R001Q01 0.249 H1R001Q01 0.276 H1R001Q01 mg l -1
Sulphate 29 2 H1R001Q01 5.1 H1R001Q01 6.9 H1R001Q01 11.4 H1R001Q01 mg l -1
Chloride 29 5 H1R001Q01 11.6 H1R001Q01 15.2 H1R001Q01 19.2 H1R001Q01 mg l -1
Sodium 29 2.7 H1R001Q01 5.6 H1R001Q01 7.9 H1R001Q01 9.3 H1R001Q01 mg l -1
Magnesium 29 0.5 H1R001Q01 1.3 H1R001Q01 1.7 H1R001Q01 2 H1R001Q01 mg l -1
TDS 29 23 H1R001Q01 34 H1R001Q01 45 H1R001Q01 47 H1R001Q01 mg l -1
Conductivity 29 3 H1R001Q01 6.4 H1R001Q01 8 H1R001Q01 8.9 H1R001Q01 mS m -1



(7) Checked H4R004Q01 (Kwaggaskloof) for valid samples...

Quaternary H70K, dam station: H4R004Q01, Samples selected: 27 between 2001-01-01 and 2005-12-31.
[See summary of classification]
Variable n
samples
Minimum recorded
at
Median recorded
at
90th
percentile
recorded
at
Maximum recorded
at
unit
pH 27 6.05 H4R004Q01 6.79 H4R004Q01 7.36 H4R004Q01 7.94 H4R004Q01 -log [H+]
Fluoride 27 0.05 H4R004Q01 0.1 H4R004Q01 0.15 H4R004Q01 0.2 H4R004Q01 mg l -1
NO3(N) 27 0.02 H4R004Q01 0.055 H4R004Q01 0.15 H4R004Q01 0.187 H4R004Q01 mg l -1
Sulphate 27 2 H4R004Q01 4 H4R004Q01 7.1 H4R004Q01 8.3 H4R004Q01 mg l -1
Chloride 27 5 H4R004Q01 13.1 H4R004Q01 16.2 H4R004Q01 18.2 H4R004Q01 mg l -1
Sodium 27 4.3 H4R004Q01 6.9 H4R004Q01 9.2 H4R004Q01 10 H4R004Q01 mg l -1
Magnesium 27 0.5 H4R004Q01 1.5 H4R004Q01 1.9 H4R004Q01 2.1 H4R004Q01 mg l -1
TDS 27 25 H4R004Q01 36 H4R004Q01 44 H4R004Q01 54 H4R004Q01 mg l -1
Conductivity 27 5.4 H4R004Q01 6.9 H4R004Q01 9.2 H4R004Q01 9.6 H4R004Q01 mS m -1



(8) Checked H4R001Q01 (Moordkuil) for valid samples...
Number of samples found = 0: less than the 5 required, so not classified.

(9) Checked H3R001Q01 (Poortjieskloof) for valid samples...
Number of samples found = 0: less than the 5 required, so not classified.

(10) Checked H1R002Q01 (Stettynskloof) for valid samples...
Number of samples found = 0: less than the 5 required, so not classified.

(11) Checked H4R003Q01 (Klipberg) for valid samples...

Quaternary H70K, dam station: H4R003Q01, Samples selected: 52 between 2001-01-01 and 2005-12-31.
[See summary of classification]
Variable n
samples
Minimum recorded
at
Median recorded
at
90th
percentile
recorded
at
Maximum recorded
at
unit
pH 52 6.17 H4R003Q01 7.29 H4R003Q01 7.54 H4R003Q01 7.79 H4R003Q01 -log [H+]
Fluoride 52 0.05 H4R003Q01 0.11 H4R003Q01 0.15 H4R003Q01 0.27 H4R003Q01 mg l -1
NO3(N) 52 0.02 H4R003Q01 0.103 H4R003Q01 0.282 H4R003Q01 0.413 H4R003Q01 mg l -1
Sulphate 52 15.1 H4R003Q01 24.4 H4R003Q01 30 H4R003Q01 35.4 H4R003Q01 mg l -1
Chloride 52 98.5 H4R003Q01 121.3 H4R003Q01 164.1 H4R003Q01 182.7 H4R003Q01 mg l -1
Sodium 52 55 H4R003Q01 70.9 H4R003Q01 94.7 H4R003Q01 105.9 H4R003Q01 mg l -1
Magnesium 52 7.1 H4R003Q01 9.6 H4R003Q01 12.4 H4R003Q01 13.9 H4R003Q01 mg l -1
TDS 52 209 H4R003Q01 260 H4R003Q01 333 H4R003Q01 365 H4R003Q01 mg l -1
Conductivity 52 42.8 H4R003Q01 50.7 H4R003Q01 64.2 H4R003Q01 71.2 H4R003Q01 mS m -1



(12) Checked H6R002Q01 (Elandskloof) for valid samples...

Quaternary H70K, dam station: H6R002Q01, Samples selected: 31 between 2001-01-01 and 2005-12-31.
[See summary of classification]
Variable n
samples
Minimum recorded
at
Median recorded
at
90th
percentile
recorded
at
Maximum recorded
at
unit
pH 31 6.27 H6R002Q01 7 H6R002Q01 7.58 H6R002Q01 7.89 H6R002Q01 -log [H+]
Fluoride 31 0.05 H6R002Q01 0.1 H6R002Q01 0.13 H6R002Q01 0.59 H6R002Q01 mg l -1
NO3(N) 31 0.055 H6R002Q01 0.268 H6R002Q01 0.367 H6R002Q01 0.587 H6R002Q01 mg l -1
Sulphate 31 2 H6R002Q01 3 H6R002Q01 6.9 H6R002Q01 8.5 H6R002Q01 mg l -1
Chloride 31 5 H6R002Q01 12 H6R002Q01 14.9 H6R002Q01 18.8 H6R002Q01 mg l -1
Sodium 31 4 H6R002Q01 5.8 H6R002Q01 7.6 H6R002Q01 8.6 H6R002Q01 mg l -1
Magnesium 31 1 H6R002Q01 1.7 H6R002Q01 2.1 H6R002Q01 4.4 H6R002Q01 mg l -1
TDS 31 30 H6R002Q01 37 H6R002Q01 51 H6R002Q01 56 H6R002Q01 mg l -1
Conductivity 31 5 H6R002Q01 7 H6R002Q01 8.5 H6R002Q01 11.3 H6R002Q01 mS m -1



(13) Checked H7R001Q01 (Buffeljags) for valid samples...
Number of samples found = 0: less than the 5 required, so not classified.

(14) Checked H6R001Q01 (Theewaterskloof) for valid samples...

Quaternary H70K, dam station: H6R001Q01, Samples selected: 29 between 2001-01-01 and 2005-12-31.
[See summary of classification]
Variable n
samples
Minimum recorded
at
Median recorded
at
90th
percentile
recorded
at
Maximum recorded
at
unit
pH 29 5.71 H6R001Q01 6.66 H6R001Q01 7.31 H6R001Q01 8.53 H6R001Q01 -log [H+]
Fluoride 29 0.05 H6R001Q01 0.05 H6R001Q01 0.12 H6R001Q01 0.14 H6R001Q01 mg l -1
NO3(N) 29 0.02 H6R001Q01 0.177 H6R001Q01 0.305 H6R001Q01 0.335 H6R001Q01 mg l -1
Sulphate 29 2 H6R001Q01 6.1 H6R001Q01 9.4 H6R001Q01 13.4 H6R001Q01 mg l -1
Chloride 29 12.1 H6R001Q01 15.1 H6R001Q01 17.2 H6R001Q01 63.8 H6R001Q01 mg l -1
Sodium 29 5 H6R001Q01 7.2 H6R001Q01 8.7 H6R001Q01 35.7 H6R001Q01 mg l -1
Magnesium 29 1.1 H6R001Q01 1.8 H6R001Q01 2.1 H6R001Q01 4.8 H6R001Q01 mg l -1
TDS 29 33 H6R001Q01 44 H6R001Q01 51 H6R001Q01 130 H6R001Q01 mg l -1
Conductivity 29 7.1 H6R001Q01 8.1 H6R001Q01 9.3 H6R001Q01 27.9 H6R001Q01 mS m -1



(15) Checked H6R003Q01 (Zwiegelaars) for valid samples...
Number of samples found = 0: less than the 5 required, so not classified.

(16) Checked G4R002Q01 (Eikenhof) for valid samples...

Quaternary H70K, dam station: G4R002Q01, Samples selected: 31 between 2001-01-01 and 2005-12-31.
[See summary of classification]
Variable n
samples
Minimum recorded
at
Median recorded
at
90th
percentile
recorded
at
Maximum recorded
at
unit
pH 31 4.32 G4R002Q01 4.85 G4R002Q01 5.85 G4R002Q01 6.43 G4R002Q01 -log [H+]
Fluoride 31 0.05 G4R002Q01 0.05 G4R002Q01 0.11 G4R002Q01 0.13 G4R002Q01 mg l -1
NO3(N) 31 0.02 G4R002Q01 0.067 G4R002Q01 0.101 G4R002Q01 0.133 G4R002Q01 mg l -1
Sulphate 31 2 G4R002Q01 6.9 G4R002Q01 12.7 G4R002Q01 18.1 G4R002Q01 mg l -1
Chloride 31 5 G4R002Q01 11.7 G4R002Q01 13.1 G4R002Q01 13.6 G4R002Q01 mg l -1
Sodium 31 3.7 G4R002Q01 5.5 G4R002Q01 6.9 G4R002Q01 8.9 G4R002Q01 mg l -1
Magnesium 31 0.5 G4R002Q01 1.1 G4R002Q01 1.5 G4R002Q01 1.8 G4R002Q01 mg l -1
TDS 31 24 G4R002Q01 34 G4R002Q01 40 G4R002Q01 49 G4R002Q01 mg l -1
Conductivity 31 5 G4R002Q01 6.3 G4R002Q01 7.3 G4R002Q01 7.9 G4R002Q01 mS m -1



(17) Checked G4R008Q01 (Rockview) for valid samples...
No data: not classified.

(18) Checked G4R006Q01 (Kogelberg) for valid samples...

Quaternary H70K, dam station: G4R006Q01, Samples selected: 24 between 2001-01-01 and 2005-12-31.
[See summary of classification]
Variable n
samples
Minimum recorded
at
Median recorded
at
90th
percentile
recorded
at
Maximum recorded
at
unit
pH 24 6.4 G4R006Q01 7.16 G4R006Q01 7.7 G4R006Q01 7.9 G4R006Q01 -log [H+]
Fluoride 24 0.05 G4R006Q01 0.1 G4R006Q01 0.12 G4R006Q01 0.52 G4R006Q01 mg l -1
NO3(N) 24 0.02 G4R006Q01 0.097 G4R006Q01 0.469 G4R006Q01 0.619 G4R006Q01 mg l -1
Sulphate 24 3 G4R006Q01 5.9 G4R006Q01 14 G4R006Q01 19.2 G4R006Q01 mg l -1
Chloride 24 11.8 G4R006Q01 19.7 G4R006Q01 21.5 G4R006Q01 24 G4R006Q01 mg l -1
Sodium 24 6.8 G4R006Q01 9.5 G4R006Q01 11.9 G4R006Q01 16.8 G4R006Q01 mg l -1
Magnesium 24 1.4 G4R006Q01 2.3 G4R006Q01 2.6 G4R006Q01 3.3 G4R006Q01 mg l -1
TDS 24 48 G4R006Q01 62 G4R006Q01 73 G4R006Q01 84 G4R006Q01 mg l -1
Conductivity 24 8.7 G4R006Q01 11.6 G4R006Q01 13.1 G4R006Q01 14 G4R006Q01 mS m -1



(19) Checked G4R005Q01 (Arieskraal) for valid samples...
Number of samples found = 0: less than the 5 required, so not classified.

(20) Checked G4R003Q01 (Bot River Vlei) for valid samples...

Quaternary H70K, dam station: G4R003Q01, Samples selected: 28 between 2001-01-01 and 2005-12-31.
[See summary of classification]
Variable n
samples
Minimum recorded
at
Median recorded
at
90th
percentile
recorded
at
Maximum recorded
at
unit
pH 28 7.43 G4R003Q01 8.01 G4R003Q01 8.94 G4R003Q01 9.57 G4R003Q01 -log [H+]
Fluoride 28 0.24 G4R003Q01 0.37 G4R003Q01 0.5 G4R003Q01 0.57 G4R003Q01 mg l -1
NO3(N) 28 0.02 G4R003Q01 0.055 G4R003Q01 0.359 G4R003Q01 2.264 G4R003Q01 mg l -1
Sulphate 28 257.7 G4R003Q01 975 G4R003Q01 2871.7 G4R003Q01 3398.1 G4R003Q01 mg l -1
Chloride 28 2210.1 G4R003Q01 7046.3 G4R003Q01 20439.5 G4R003Q01 22633.8 G4R003Q01 mg l -1
Sodium 28 1234.5 G4R003Q01 4081.9 G4R003Q01 11585.8 G4R003Q01 12639.9 G4R003Q01 mg l -1
Magnesium 28 150.9 G4R003Q01 422.9 G4R003Q01 1470.5 G4R003Q01 1531.5 G4R003Q01 mg l -1
TDS 28 4121 G4R003Q01 13402 G4R003Q01 37578 G4R003Q01 41053 G4R003Q01 mg l -1
Conductivity 28 714 G4R003Q01 1850 G4R003Q01 4826 G4R003Q01 5350 G4R003Q01 mS m -1



(21) Checked G4R010Q01 (De Bos) for valid samples...
No data: not classified.

(22) Checked G5R001Q01 (De Hoop Vlei) for valid samples...

Quaternary H70K, dam station: G5R001Q01, Samples selected: 19 between 2001-01-01 and 2005-12-31.
[See summary of classification]
Variable n
samples
Minimum recorded
at
Median recorded
at
90th
percentile
recorded
at
Maximum recorded
at
unit
pH 19 7.98 G5R001Q01 8.38 G5R001Q01 9.14 G5R001Q01 9.78 G5R001Q01 -log [H+]
Fluoride 19 0.57 G5R001Q01 0.74 G5R001Q01 1.02 G5R001Q01 1.16 G5R001Q01 mg l -1
NO3(N) 19 0.02 G5R001Q01 0.02 G5R001Q01 0.058 G5R001Q01 0.095 G5R001Q01 mg l -1
Sulphate 19 343.3 G5R001Q01 553.3 G5R001Q01 1326.6 G5R001Q01 1788.7 G5R001Q01 mg l -1
Chloride 19 2267.3 G5R001Q01 4539.5 G5R001Q01 10747.6 G5R001Q01 16569.6 G5R001Q01 mg l -1
Sodium 19 1267 G5R001Q01 2573 G5R001Q01 6359.5 G5R001Q01 9860.3 G5R001Q01 mg l -1
Magnesium 19 175.1 G5R001Q01 316.6 G5R001Q01 686.6 G5R001Q01 1130.7 G5R001Q01 mg l -1
TDS 19 4858 G5R001Q01 8887 G5R001Q01 19458 G5R001Q01 29910 G5R001Q01 mg l -1
Conductivity 19 802 G5R001Q01 1410 G5R001Q01 2844 G5R001Q01 4600 G5R001Q01 mS m -1



(23) Checked G4R004Q01 (Klein River Vlei) for valid samples...

Quaternary H70K, dam station: G4R004Q01, Samples selected: 27 between 2001-01-01 and 2005-12-31.
[See summary of classification]
Variable n
samples
Minimum recorded
at
Median recorded
at
90th
percentile
recorded
at
Maximum recorded
at
unit
pH 27 7.52 G4R004Q01 7.95 G4R004Q01 8.42 G4R004Q01 8.53 G4R004Q01 -log [H+]
Fluoride 27 0.29 G4R004Q01 0.44 G4R004Q01 0.52 G4R004Q01 0.61 G4R004Q01 mg l -1
NO3(N) 27 0.02 G4R004Q01 0.052 G4R004Q01 0.213 G4R004Q01 3.132 G4R004Q01 mg l -1
Sulphate 27 825.4 G4R004Q01 1826.7 G4R004Q01 2734.5 G4R004Q01 2883.2 G4R004Q01 mg l -1
Chloride 27 5759.5 G4R004Q01 14235.4 G4R004Q01 19253.5 G4R004Q01 20974.7 G4R004Q01 mg l -1
Sodium 27 3454.7 G4R004Q01 7694.6 G4R004Q01 10872.3 G4R004Q01 11329.1 G4R004Q01 mg l -1
Magnesium 27 352.7 G4R004Q01 975.9 G4R004Q01 1276.5 G4R004Q01 1396.7 G4R004Q01 mg l -1
TDS 27 10892 G4R004Q01 25603 G4R004Q01 34936 G4R004Q01 37380 G4R004Q01 mg l -1
Conductivity 27 1740 G4R004Q01 3240 G4R004Q01 4565 G4R004Q01 5070 G4R004Q01 mS m -1

Summary of dam (or lake) classifications, with classification variables, if any. Click on a dam station to go to the classification data.
Dam
station
numberclass Class I
variable
Class II
variable
Class III
variable
H2R002Q01 320
H1R001Q01 290
H4R004Q01 270
H4R003Q01 521Cl
H6R002Q01 310
H6R001Q01 290
G4R002Q01 311pH
G4R006Q01 240
G4R003Q01 283 SO4 Cl Na Mg TDS EC
G5R001Q01 193pH F SO4 Cl Na Mg TDS EC
G4R004Q01 273 SO4 Cl Na Mg TDS EC

Finished calculations for Breede WMA at 2006-12-18 - 16:53:11


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