| № | Site [ view Vaal sites in Google Earth ]  | 
Plot all data | Date | MPN, or cfu / 100mL | 
Turb. NTU  | 
pH | Temp. oC  | 
Risk based on E. coli if recorded, otherwise on faecal coliforms | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| E. coli | faecal coliforms | drinking- no treatment  | 
drinking- limited treatment  | 
full or partial contact  | 
irrigation- crops eaten raw  | 
|||||||
| 1 | 90616 [2-month plot]
 Rietspruit at Kaalplaats (Rw RV2)  | 
 
 | 
2016-04-25 | 10800 | 18000 | - | 6.2 | - | HIGH | Med | HIGH | HIGH | 
| 2 | 90697 [2-month plot]
 (B8) Nigel R51 Road Bridge to Balfour  | 
 
 | 
2016-03-15 | 631 | - | - | - | - | HIGH | low | HIGH | low | 
| 2 | 90697 | 2016-04-12 | 132 | - | - | - | - | HIGH | low | low | low | |
| 2 | 90697 | 2016-04-14 | 80 | 80 | - | 8.1 | - | HIGH | low | low | low | |
| 3 | 90725 [2-month plot]
 Klip River at R41 Witpoortjie U/S Durban Deep Mine  | 
 
 | 
2016-03-15 | 431 | - | - | - | - | HIGH | low | HIGH | low | 
| 3 | 90725 | 2016-04-12 | 10 | - | - | - | - | HIGH | low | low | low | |
| 3 | 90725 | 2016-04-14 | 80 | 80 | 3 | 7.2 | - | HIGH | low | low | low | |
| 4 | 90727 [2-month plot]
 At Golden Highway Olifantsvlei van Wyk on Kliprivier  | 
 
 | 
2016-03-15 | 14540 | - | - | - | - | HIGH | Med | HIGH | HIGH | 
| 4 | 90727 | 2016-04-12 | 1186 | - | - | - | - | HIGH | low | HIGH | Med | |
| 4 | 90727 | 2016-04-14 | 7200 | 18000 | 6 | 7.2 | - | HIGH | Med | HIGH | HIGH | |
| 5 | 90800 [2-month plot]
 Bloudrif - at R30 Road Bridge on Sand River near Mouth of Doornrivier  | 
 
 | 
2016-04-01 | 262 | - | 7 | 8.1 | - | HIGH | low | Med | low | 
| 5 | 90800 | 2016-04-20 | 64 | - | 5 | 8.3 | - | HIGH | low | low | low | |
| 6 | 90849 [2-month plot]
 Kroonstad - at R76 Road Bridge on Vals River (Old Barend Wessel)  | 
 
 | 
2016-03-24 | 157 | - | 11 | 7.8 | - | HIGH | low | low | low | 
| 6 | 90849 | 2016-04-26 | 156 | - | 72 | 7.8 | - | HIGH | low | low | low | |
| 7 | 182718 [2-month plot]
 Skoonspruit D/S from Orkney Sewage Works  | 
 
 | 
2016-03-09 | 9700 | - | 80 | 7.4 | - | HIGH | Med | HIGH | HIGH | 
| 7 | 182718 | 2016-03-22 | 29 | - | 27 | 8.7 | - | HIGH | low | low | low | |
| 7 | 182718 | 2016-04-04 | 2790 | - | 57 | 8.1 | - | HIGH | Med | HIGH | Med | |
| 7 | 182718 | 2016-04-18 | 310 | - | 9 | 7.5 | - | HIGH | low | Med | low | |
| 8 | 188130 [2-month plot]
 Goedgenoeg 433 IP at Orkney Road Bridge on Jagspruit on R502  | 
 
 | 
2016-03-09 | 36900 | - | 14 | 7.4 | - | HIGH | HIGH | HIGH | HIGH | 
| 8 | 188130 | 2016-03-22 | 21420 | - | 9 | 7.5 | - | HIGH | HIGH | HIGH | HIGH | |
| 8 | 188130 | 2016-04-04 | 15531 | - | 7 | 7.4 | - | HIGH | Med | HIGH | HIGH | |
| 8 | 188130 | 2016-04-18 | 241960 | - | 3 | 7.3 | - | HIGH | HIGH | HIGH | HIGH | |
| 9 | 188131 [2-month plot]
 Koekemoerspruit at Buffelsfontein Bridge  | 
 
 | 
2016-03-09 | 2880 | - | 2 | 7.5 | - | HIGH | Med | HIGH | Med | 
| 9 | 188131 | 2016-03-22 | 196 | - | 2 | 7.6 | - | HIGH | low | low | low | |
| 9 | 188131 | 2016-04-04 | 238 | - | 7 | 7.6 | - | HIGH | low | Med | low | |
| 9 | 188131 | 2016-04-18 | 80 | - | 2 | 7.6 | - | HIGH | low | low | low | |
| 10 | 188132 [2-month plot]
 Orkney - at R30 Bothaville Orkney Bridge on Vaalrivier  | 
 
 | 
2016-03-09 | 166 | - | 19 | 8.4 | - | HIGH | low | low | low | 
| 10 | 188132 | 2016-03-22 | 6910 | - | 12 | 7.9 | - | HIGH | Med | HIGH | HIGH | |
| 10 | 188132 | 2016-04-04 | 16 | - | 10 | 8.9 | - | HIGH | low | low | low | |
| 10 | 188132 | 2016-04-18 | 15 | - | 10 | 8.7 | - | HIGH | low | low | low | |
| 11 | 188262 [2-month plot]
 Mmabatho - at Road Bridge on Molopo River, D/S of Mafikeng  | 
 
 | 
2016-03-08 | 198630 | - | - | - | - | HIGH | HIGH | HIGH | HIGH | 
| 11 | 188262 | 2016-03-22 | 129970 | - | - | - | - | HIGH | HIGH | HIGH | HIGH | |
| 11 | 188262 | 2016-04-05 | 2419600 | - | - | - | - | HIGH | HIGH | HIGH | HIGH | |
| 11 | 188262 | 2016-04-18 | 488400 | - | - | - | - | HIGH | HIGH | HIGH | HIGH | |
| 12 | 189142 [2-month plot]
 Standerton Sakhile downstream of STW and Bucket Dumping Site on Vaal  | 
 
 | 
2016-04-20 | 5800 | 5800 | 11 | 7.4 | - | HIGH | Med | HIGH | HIGH | 
| 13 | 189147 [2-month plot]
 Warden 150 M upstream of Dam Wall on Cornelisrivier  | 
 
 | 
2016-04-14 | 45 | 45 | 29 | 6.1 | - | HIGH | low | low | low | 
| 14 | 189656 [2-month plot]
 Syfergat 56 HP at R504 Leeudoringstad Bothaville Road Bridge on Klipspruit  | 
 
 | 
2016-03-29 | 12098 | - | 52 | 8.2 | - | HIGH | Med | HIGH | HIGH | 
| 14 | 189656 | 2016-04-25 | 24196 | - | 535 | 8.3 | - | HIGH | HIGH | HIGH | HIGH | |
| 15 | 191050 [2-month plot]
 Floorsdrift 15 - Hoopstad at R59 Road Bridge on Vetrivier  | 
 
 | 
2016-04-01 | 504 | - | 89 | 7.9 | - | HIGH | low | HIGH | low | 
| 15 | 191050 | 2016-04-26 | 830 | - | 161 | 7.6 | - | HIGH | low | HIGH | low | |
| 16 | 191688 [2-month plot]
 Mmabatho - D/S of Mmabatho WWTW, on Molopo Tributary.  | 
 
 | 
2016-03-08 | 98040 | - | - | - | - | HIGH | HIGH | HIGH | HIGH | 
| 16 | 191688 | 2016-03-22 | 833700 | - | - | - | - | HIGH | HIGH | HIGH | HIGH | |
| 16 | 191688 | 2016-04-05 | 3270 | - | - | - | - | HIGH | Med | HIGH | Med | |
| 16 | 191688 | 2016-04-19 | 120330 | - | - | - | - | HIGH | HIGH | HIGH | HIGH | |
| 17 | 191693 [2-month plot]
 - Soweto Eldoradopark - at Road Bridge on Klipspruit  | 
 
 | 
2016-03-10 | 240000 | - | - | - | - | HIGH | HIGH | HIGH | HIGH | 
| 17 | 191693 | 2016-04-14 | 3400 | - | - | - | - | HIGH | Med | HIGH | Med | |
| 18 | 191696 [2-month plot]
 Sia 20 - Eldorado Park Goudkoppie - at Goudkoppie WWTW, near Power Park  | 
 
 | 
2016-03-10 | 28000 | - | - | - | - | HIGH | HIGH | HIGH | HIGH | 
| 18 | 191696 | 2016-04-14 | 20000 | - | - | - | - | HIGH | HIGH | HIGH | HIGH | |
| 19 | 191876 [2-month plot]
 Roodepoort Bothasfontein 408 JR - at Florida Lake Outlet  | 
 
 | 
2016-04-14 | 210 | - | - | - | - | HIGH | low | Med | low | 
| 20 | 192624 [2-month plot]
 Buffelsfontein 443 IP - at Midvaal Intake  | 
 
 | 
2016-03-09 | 40 | - | 12 | 8.4 | - | HIGH | low | low | low | 
| 20 | 192624 | 2016-03-22 | 65 | - | 14 | 8.0 | - | HIGH | low | low | low | |
| 20 | 192624 | 2016-04-04 | 21 | - | 10 | 8.9 | - | HIGH | low | low | low | |
| 20 | 192624 | 2016-04-18 | 10 | - | 8 | 8.8 | - | HIGH | low | low | low | |
| 21 | 194792 [2-month plot]
 Bothaville - at R59 Road Bridge Over Vals Rivier  | 
 
 | 
2016-03-24 | 128 | - | 8 | 7.9 | - | HIGH | low | low | low | 
| 21 | 194792 | 2016-04-20 | 71 | - | 13 | 8.1 | - | HIGH | low | low | low | |
| 22 | 194793 [2-month plot]
 Makwassie - at R502 Road Bridge Over Makwassie Spruit  | 
 
 | 
2016-03-29 | 758 | - | 4 | 8.2 | - | HIGH | low | HIGH | low | 
| 22 | 194793 | 2016-04-25 | 2442 | - | 14 | 8.0 | - | HIGH | Med | HIGH | Med | |
| 23 | 194794 [2-month plot]
 Rietfontein 299 - at R501 Road Bridge Over Renoster River  | 
 
 | 
2016-03-24 | 3434 | - | 288 | 7.7 | - | HIGH | Med | HIGH | Med | 
| 23 | 194794 | 2016-04-26 | 160 | - | 8 | 8.0 | - | HIGH | low | low | low | |
| 24 | 194795 [2-month plot]
 Corannakraal 87 - at Road Bridge Over Vet Rivier D/S of Erfenis Dam Wall  | 
 
 | 
2016-04-01 | 733 | - | 97 | 8.2 | - | HIGH | low | HIGH | low | 
| 24 | 194795 | 2016-04-26 | 582 | - | 134 | 8.0 | - | HIGH | low | HIGH | low | |
| 25 | 194799 [2-month plot]
 Odendaalsrus - at Water Channel (Drain) in Odendaalsrus  | 
 
 | 
2016-04-20 | 57 | - | 5 | 8.5 | - | HIGH | low | low | low | 
| 26 | 194801 [2-month plot]
 Welkom Thabong Township - at Water Channel in Thabong Township  | 
 
 | 
2016-03-24 | 1362 | - | 7 | 7.7 | - | HIGH | low | HIGH | Med | 
| 26 | 194801 | 2016-04-20 | 1049 | - | 229 | 7.8 | - | HIGH | low | HIGH | Med | |
| 27 | 194803 [2-month plot]
 Henneman Phomolong Township - at Water Channel in Phomolong Township  | 
 
 | 
2016-03-24 | 1937 | - | 21 | 7.7 | - | HIGH | low | HIGH | Med | 
| 28 | 194804 [2-month plot]
 Zandrivierspoort 213 - at Road Bridge Over Sand River  | 
 
 | 
2016-04-01 | 175 | - | 32 | 8.1 | - | HIGH | low | low | low | 
| 28 | 194804 | 2016-04-26 | 651 | - | 24 | 7.9 | - | HIGH | low | HIGH | low | |
| 29 | 194805 [2-month plot]
 Proklameersdrift - at Road Bridge on Vals Rivier  | 
 
 | 
2016-04-01 | 548 | - | 18 | 8.1 | - | HIGH | low | HIGH | low | 
| 29 | 194805 | 2016-04-20 | 79 | - | 9 | 8.4 | - | HIGH | low | low | low | |
| 30 | 195409 [2-month plot]
 Klerksdorp - at Klerksdorp Correctional Service on Skoonspruit  | 
 
 | 
2016-03-29 | 2420 | - | 34 | 8.2 | - | HIGH | Med | HIGH | Med | 
| 30 | 195409 | 2016-04-25 | 13740 | - | 34 | 7.8 | - | HIGH | Med | HIGH | HIGH | |
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