№ | 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) |
![]() |
2011-11-15 | 4400 | 6300 | - | 7.7 | - | HIGH | Med | HIGH | HIGH |
1 | 90616 | 2011-12-06 | 800 | 800 | - | 8.2 | - | HIGH | low | HIGH | low | |
2 | 90697 [2-month plot]
(B8) Nigel R51 Road Bridge to Balfour |
![]() |
2011-11-16 | 82 | 82 | - | 8.3 | - | HIGH | low | low | low |
2 | 90697 | 2011-11-29 | 110 | 130 | - | 7.6 | - | HIGH | low | low | low | |
3 | 90725 [2-month plot]
Klip River at R41 Witpoortjie U/S Durban Deep Mine |
![]() |
2011-11-16 | 480 | 480 | 72 | 7.9 | - | HIGH | low | HIGH | low |
3 | 90725 | 2011-11-29 | 90 | 160 | 32 | 6.6 | - | HIGH | low | low | low | |
4 | 90727 [2-month plot]
At Golden Highway Olifantsvlei van Wyk on Kliprivier |
![]() |
2011-11-16 | 50 | 50 | 11 | 8.3 | - | HIGH | low | low | low |
4 | 90727 | 2011-11-29 | 150 | 220 | 20 | 7.6 | - | HIGH | low | low | low | |
5 | 101770 [2-month plot]
Smidts Drift Outspan 23 Schmidtsdrift at Weir on Vaal River |
![]() |
2011-11-28 | 5 | - | - | - | - | Med | low | low | low |
6 | 182718 [2-month plot]
Skoonspruit D/S from Orkney Sewage Works |
![]() |
2011-11-07 | 31 | - | 5 | 8.1 | 23.0 | HIGH | low | low | low |
6 | 182718 | 2011-11-24 | 1710 | - | 97 | 7.8 | 25.0 | HIGH | low | HIGH | Med | |
6 | 182718 | 2011-12-20 | 2755 | - | 34 | 9.0 | 24.0 | HIGH | Med | HIGH | Med | |
7 | 188130 [2-month plot]
Goedgenoeg 433 IP at Orkney Road Bridge on Jagspruit on R502 |
![]() |
2011-11-07 | 137400 | - | 22 | 8.7 | 22.0 | HIGH | HIGH | HIGH | HIGH |
7 | 188130 | 2011-11-24 | 1733 | - | 97 | 7.9 | 24.0 | HIGH | low | HIGH | Med | |
7 | 188130 | 2011-12-12 | 10340 | - | 18 | 7.9 | 25.0 | HIGH | Med | HIGH | HIGH | |
8 | 188131 [2-month plot]
Koekemoerspruit at Buffelsfontein Bridge |
![]() |
2011-11-07 | 90700 | - | 10 | 7.9 | 22.0 | HIGH | HIGH | HIGH | HIGH |
8 | 188131 | 2011-11-24 | 25 | - | 37 | 7.7 | 25.0 | HIGH | low | low | low | |
8 | 188131 | 2011-11-24 | 225 | - | 37 | 7.7 | 25.0 | HIGH | low | Med | low | |
8 | 188131 | 2011-12-12 | 17 | - | 23 | 9.1 | 25.0 | HIGH | low | low | low | |
9 | 188132 [2-month plot]
Orkney - at R30 Bothaville Orkney Bridge on Vaalrivier |
![]() |
2011-11-07 | 20 | - | 16 | 9.2 | 22.0 | HIGH | low | low | low |
9 | 188132 | 2011-11-24 | 25 | - | 18 | 8.9 | 25.0 | HIGH | low | low | low | |
9 | 188132 | 2011-12-12 | 20640 | - | 50 | 8.0 | 25.0 | HIGH | HIGH | HIGH | HIGH | |
10 | 188262 [2-month plot]
Mmabatho - at Road Bridge on Molopo River, D/S of Mafikeng |
![]() |
2011-11-15 | 2420 | - | 11 | 7.8 | - | HIGH | Med | HIGH | Med |
11 | 188487 [2-month plot]
Gong Gong D/S Barkly West on Vaal |
![]() |
2011-11-28 | 0 | - | - | - | - | low | low | low | low |
12 | 188489 [2-month plot]
Doornfonteyn Middelplaats D/S Warrenton on Vaal |
![]() |
2011-11-28 | 1 | - | - | - | - | Med | low | low | low |
13 | 189147 [2-month plot]
Warden 150 M upstream of Dam Wall on Cornelisrivier |
![]() |
2011-11-16 | 280 | 280 | 27 | 7.7 | - | HIGH | low | Med | low |
13 | 189147 | 2011-12-08 | 320 | 320 | 13 | 7.5 | - | HIGH | low | Med | low | |
14 | 191688 [2-month plot]
Mmabatho - D/S of Mmabatho WWTW, on Molopo Tributary. |
![]() |
2011-11-15 | 2420 | - | 1 | 8.1 | - | HIGH | Med | HIGH | Med |
15 | 191693 [2-month plot]
- Soweto Eldoradopark - at Road Bridge on Klipspruit |
![]() |
2011-11-10 | 240000 | - | - | - | - | HIGH | HIGH | HIGH | HIGH |
15 | 191693 | 2011-12-14 | 42000 | - | - | - | - | HIGH | HIGH | HIGH | HIGH | |
16 | 191696 [2-month plot]
Sia 20 - Eldorado Park Goudkoppie - at Goudkoppie WWTW, near Power Park |
![]() |
2011-11-10 | 8400 | - | - | - | - | HIGH | Med | HIGH | HIGH |
16 | 191696 | 2011-12-14 | 6100 | - | - | - | - | HIGH | Med | HIGH | HIGH | |
17 | 191876 [2-month plot]
Roodepoort Bothasfontein 408 JR - at Florida Lake Outlet |
![]() |
2011-11-10 | 21 | - | - | - | - | HIGH | low | low | low |
17 | 191876 | 2011-12-14 | 3700 | - | - | - | - | HIGH | Med | HIGH | Med | |
18 | 192536 [2-month plot]
Pampierstad - at Vaal-Harts Weir on Hartsrivier |
![]() |
2011-11-28 | 2 | - | - | - | - | Med | low | low | low |
19 | 192624 [2-month plot]
Buffelsfontein 443 IP - at Midvaal Intake |
![]() |
2011-12-12 | 31 | - | 19 | 9.3 | 24.0 | HIGH | low | low | low |
![]() |
![]() |