NEMP winter 2025-04-01 to 2025-09-30

№	Median Chl a μg/L	n	Median TP mg/L	n	Name (click here to see all sites in Google Earth or select a name below to show just that site in Google Earth)	Plot Chl a TP	Plot all chem	Secchi disk	T oC	O2 mg/L
1	30.3	8	0.289	4	Rietvlei Dam on Hennops River: near Dam Wall		chem	Secchi	T	O
2	7.4	8	1.588	5	Centurion at Centurion Lake		chem	-	-	-
3	60.4	16	0.623	3	Hartbeespoort Dam on Crocodile River: near Dam Wall		chem	Secchi	T	O
4			0.337	7	Krokodilrivier (dup name 6612)	100894 no chart	chem	-	-	-
5	4.6	8	0.035	5	Buffelspoort Dam on Sterkstroom River: near Dam Wall		chem	Secchi	T	O
6	37.0	9	0.346	7	Roodekopjes 203 JQ - Roodekopjes Dam on Krokodilrivier: near Dam Wall		chem	Secchi	T	O
7	9.4	8	0.058	5	Lindleyspoort Dam at Lindleyspoort 220 JP on Elandsrivier near Dam Wall		chem	Secchi	T	O
8	9.3	8	0.060	6	Koster River Dam on Koster River: near Dam Wall		chem	Secchi	T	O
9	15.7	8	0.032	4	Olifantsnek Dam at Commissiesdrift 327 JQ on Hexrivier near Dam Wall		chem	Secchi	T	O
10	14.0	9	0.344	6	Bospoort Dam at Tweedepoort 283 JQ on Hexrivier near Dam Wall		chem	Secchi	T	O
11	1.4	9	0.088	7	Bulhoek 75 JQ - Vaalkop Dam on Elandsrivier: near Dam Wall		chem	Secchi	T	O
12	114.2	16	0.865	6	Roodeplaat Dam on Pienaars River: near Dam Wall		chem	Secchi	T	O
13	120.2	6	0.919	5	Roodeplaat Dam on Pienaars River: Point in Dam		chem	Secchi	T	O
14	77.0	6	0.717	5	Roodeplaat Dam on Pienaars River: Point in Dam		chem	Secchi	T	O
15	27.0	6	0.970	4	Roodeplaat Dam on Pienaars River: Point in Dam		chem	Secchi	T	O
16	123.5	6	0.940	4	Roodeplaat Dam on Pienaars River: Point in Dam		chem	Secchi	T	O
18	24.4	8	0.089	6	Bon Accord Dam on Apies River: near Dam Wall		chem	Secchi	T	O
19	12.0	8	2.261	4	Leeukraal Dam on Apies River: near Dam Wall		chem	Secchi	T	O
20	64.1	8	0.417	6	Klipvoor Dam on Pienaars River: near Dam Wall		chem	Secchi	T	O
21	8.6	5	0.084	2	Marico-Bosveld Dam at Doornkraal 110 JP on Groot-Marico Rivier near Dam Wall		chem	Secchi	T	-
22	9.9	4	0.058	2	Klein-Maricopoort Dam at Kalkdam 241 JP near Dam Wall		chem	Secchi	T	O
23	4.8	1			Molatedi Dam at Eerstepoort 136 KP on Marico River near Dam Wall		chem	Secchi	-	-
26	23.6	2	0.010	1	Doorndraai Dam on Sterk River: near Dam Wall		chem	Secchi	T	-
27	2.7	2	0.033	2	Glen Alpine Dam on Mogalakwena River: near Dam Wa		chem	Secchi	-	-
28	2.0	2	0.010	1	Mutshedzi Dam on Mutshedzi River: near Dam Wall		chem	Secchi	-	-
29	1.6	2			Nzhelele Dam on Nzhelele River: near Dam Wall		chem	Secchi	T	-
31	10.8	2	0.010	1	Nwanedi (Nwanedzi) Dam on Nwanedi: near Dam Wall		chem	Secchi	T	O
32	0.8	2			Albasini Dam on Luvuvhu River: near Dam Wall		chem	Secchi	T	O
33	1.1	3	0.037	2	Molenje S 204 LT Nandoni Dam near Dam Wall on Luvuvhu		chem	-	-	-
34	2.3	2	0.305	1	Mutshindudi River at Vondo Dam at Vhutanda		chem	Secchi	-	-
35	6.6	8	0.053	6	Witbank Dam on Olifants River: near Dam Wall		chem	Secchi	T	O
36	5.8	8	0.107	3	Middelburg Dam on Klein Olifants River: near Dam W		chem	Secchi	T	O
37	10.8	8	0.086	6	Bronkhorstspruit Dam on Bronkhorstspruit near Wall		chem	Secchi	T	O
38	6.6	8	0.036	6	Kliprand 76 JR - Rust de Winter Dam on Elandsrivier: near Dam Wall		chem	Secchi	T	O
39	12.3	4	0.030	3	Rhenosterkop 157 IR - Rhenosterkop Dam on Elandsrivier: near Dam Wall		chem	Secchi	T	-
40	32.7	4	0.042	3	Loskop 81 JS - Loskop Dam on Olifantsrivier: near Dam Wall		chem	Secchi	T	O
41	10.9	4	0.045	4	Belfast Dam near Dam Wall		chem	-	-	-
44	4.3	8	0.026	6	De Hoop 886 KS - at Dam Wall of de Hoop Dam		chem	-	-	-
52	0.4	2			Ebenezer Dam - Ebenezer Dam on Groot-Letaba: near Dam Wall		chem	Secchi	T	O
53	1.2	2	0.068	2	Turksvygbult 550 LT - Magoebaskloof Dam on Politsirivier: near Dam Wall		chem	Secchi	T	O
56	2.6	1	0.038	1	Modjadjes 424 LT Ga-Matswe - Modjadji Dam on Molototsi near Dam Wall		chem	Secchi	-	-
57	8.9	2	0.033	1	Sterkrivier 97 LT - Middle Letaba Dam on Middel Letaba: near Dam Wall		chem	Secchi	-	-
58	4.8	2	0.059	1	Nsami at Nsami Dam near Dam Wall		chem	Secchi	-	-
60	3.1	8	0.074	6	Inlet to Homestead from Blaaupan Lake at Benoni		chem	-	-	-
61	25.5	8	0.043	6	Outlet from Homestead Lake at Benoni		chem	-	-	-
62	5.8	8	0.029	6	Inlet to Civic Lake at Benoni		chem	-	-	-
63	2.5	8	0.036	7	Outlet Kleinfontein at Benoni		chem	-	-	-
64	69.5	8	0.049	7	Roodepoort Bothasfontein 408 JR - at Florida Lake Outlet		chem	-	-	-
65	6.6	8	0.018	6	Victoria(Germiston) Lake Outlet		chem	-	-	-
71	9.8	6			Corannakraal 87 - Erfenis Dam on Vet River near Dam Wall		chem	Secchi	T	O
72	1.7	6	0.257	3	Willem Pretorius Wildtuin - Allemanskraaldam on Sandrivier: near Dam Wall		chem	Secchi	T	O
73	4.0	1			Kalkfontein Nature Reserve - Kalkfontein Dam on Rietrivier: near Dam Wall		chem	Secchi	T	O
74			0.307	2	Uitvlugt West 2810 - Krugersdrifdam on Modderrivier: near Dam Wall	90841 no chart	chem	-	T	O
75			0.330	2	Fischer 58 - Koppies Dam on Renosterrivier: near Dam Wall		chem	Secchi	T	O
78	1.7	1	0.010	1	Sterkfontein Dam on Nuwejaar Spruit: near Dam Wal		chem	Secchi	T	O
79	3.4	8	0.132	6	Vaalbank 476 IR - Vaal Dam on Vaalrivier: near Dam Wall		chem	Secchi	T	O
80			0.199	3	Bloemhofdam Nature Reserve - Bloemhofdam on Vaalrivier: near Dam Wall		chem	Secchi	T	O
86			0.010	1	Kareekloof 1184 - Vanderkloof Dam on Oranjerivier: near Dam Wall		chem	Secchi	-	-
87	2.2	6	0.080	2	Oviston Nature Reserve - Gariep Dam (H F Verwoerd Dam) on Orangerivier: near Dam Wall		chem	Secchi	T	-
88	20.2	2	0.337	1	Lotlamoreng Dam on Molopo River: near Dam Wall		chem	Secchi	-	-
89	4.8	5	0.044	4	Disaneng Dam on Molopo River: near Dam Wall		chem	Secchi	T	-
90	77.7	5	0.118	5	Molopo (Ratshidi) - Modimola Dam (Aka Setumo Montshiwa) on Molopo River: near Dam Wall		chem	Secchi	T	-
92	12.1	3	0.038	2	Clanwilliam Andriesgrond 204 - Clanwilliam Dam on Olifantsrivier: near Dam Wall		chem	Secchi	T	O
95	7.1	2	0.045	2	Voelvlei Dam on Voelvlei: near Dam Wall		chem	Secchi	T	O
96	7.2	3	0.108	2	Misverstand 333 - Misverstand Dam on Berg River: at Dam Wall		chem	Secchi	T	-
101	5.2	3	0.018	2	Theewaterskloof Dam on Riviersonderend: near Dam Wall		chem	Secchi	T	-
104	4.7	1	0.026	3	Groen Vlei at Ruygte Valley		chem	Secchi	T	-
131	0.4	3	0.052	4	Howick Allemans Drift 950 - Midmar Dam on Mgeni River: near Dam Wall		chem	Secchi	T	O
136	0.4	5	0.041	4	Matabetule - Inanda Dam on Mgeni River: at Dam Wall		chem	Secchi	T	-
137	10.6	4	0.057	4	Cotton Lands 1575 - Hazelmere Dam on Mdloti: near Dam Wall		chem	Secchi	T	-
145	0.4	4	0.026	4	Woodstock Dam on Tugela River: Point in Dam		chem	-	-	-
159	1.1	3	0.091	3	Jozini - Pongolapoort Dam on Phongolo: at Dam Wall		chem	Secchi	-	-
160	2.5	4	0.022	4	Hey-Q01 Heyshope Dam Point in Dam near Dam Wall		chem	-	-	-
166	2.7	3	0.025	3	Morgenstond Dam on Ngwempisi River: near Dam Wall		chem	Secchi	-	-
167	3.3	5	0.026	4	Jericho Dam		chem	Secchi	T	O
168	2.5	4	0.016	2	Westoe Dam		chem	Secchi	T	O
170	0.7	4	0.027	4	Boesmanspruit near Dam Wall		chem	-	-	-
171	3.4	4	0.025	4	Crl- 27 X1R001A01 Nooitgedachtdam Natuurreservaat - Nooitgedacht Dam on Komatirivier: at Dam Wall		chem	Secchi	-	-
172	1.6	4	0.010	3	Vygeboom 619 JT - Vygeboom Dam on Komatirivier: near Dam Wall		chem	Secchi	T	O
176	2.8	4	0.023	3	At Driekoppies Dam 100M U/S of Wall on Lomati River		chem	-	-	-
179	5.6	4	0.010	3	Badfontein 114 JT - Kwena Dam on Krokodilrivier: at Dam Wall		chem	Secchi	-	-
180	3.2	4	0.010	3	Inyaka Dam in Bushbuckridge		chem	-	-	-
184	8.9	8	1.815	5	Centurion - at Road Bridge Over Hennops (Sesmylspruit) at Centurion Lake Inlet		chem	-	-	-
192			0.144	1	Scheerpoort 477 JQ Magalies River at Scheerpoort	90165 no chart	chem	-	T	-
193			0.614	1	Kalkheuwel 493 JQ on Crocodile River	90164 no chart	chem	-	T	-
194			0.893	1	Schurveberg 488 JQ at Skurweberg on Hennopsrivier	90166 no chart	chem	-	-	-
204			0.438	1	Roodekopjes Dam on Crocodile River: downstream Weir	90167 no chart	chem	-	-	-
213			0.010	2	Rietvalei 314 JO on Waterkloofspruit Lower Site	90184 no chart	chem	-	-	-
214			2.635	6	Phokeng Bridge		chem	-	-	-
215			0.638	8	Hex River Bridge near Tekwane		chem	-	-	-
217			0.109	1	Vaalkop Dam on Elands River: downstream Weir	90230 no chart	chem	-	-	-
219			2.475	6	Pienaars River at Baviaanspoort	90174 no chart	chem	-	T	-
220			0.234	8	At Kameeldrift on Hartbeesspruit	90175 no chart	chem	-	T	-
221			1.089	6	At Leeuwfontein on Edendalspruit	90176 no chart	chem	-	T	-
222			0.835	7	At Franspoort Road Bridge on Edendalspruit	90238 no chart	chem	-	-	-
225			0.978	6	Zeekoegat Sewage Effluent	90236 no chart	chem	-	-	-
226			2.750	6	Baviaanspoort Sewage Effluent	90237 no chart	chem	-	-	-
228			0.528	1	Pienaarsrivier 90 JR at Klipdrift on Pienaars River	90160 no chart	chem	-	-	-
235			0.355	3	Daspoort - at Apies River downstream Daspoort Sewage Works	197131 no chart	chem	-	-	-
241			0.847	6	Soutpan Spruit Low Water Bridge at Tswaing Meteorite Crater Reserve	193640 no chart	chem	-	-	-
242			1.068	8	Zoutpansleegte Point at Bridge Inlet to Klipvoor Dam on Kutswane River	193663 no chart	chem	-	-	-
249			0.206	1	Middelburg Dam on Little Olifants River: downstream		chem	-	-	-
257			0.051	1	Olifants River at Zeekoegat		chem	-	-	-
268			0.067	1	Vaal River at Goedgeluk/Bloukop	90589 no chart	chem	-	-	-
271			0.079	1	Grootdraai Dam on Vaal River: downstream Weir	90599 no chart	chem	-	-	-
272			0.132	1	Elandslaagte on Waterval River	90591 no chart	chem	-	-	-
273			0.111	4	Vaal River at Nooitgedacht/Gladdedrift	90595 no chart	chem	-	-	-
282			0.209	2	Palmietfontein 250 - at Klipplaatdrift on Vaal River		chem	-	-	-
291			0.087	5	Wilge River at Frankfort	90859 no chart	chem	-	-	-
296	26.9	4	0.105	3	Cooke S Lake (Molopo River) at Mafikeng		chem	Secchi	-	-
301			0.090	2	Orange River at Upington		chem	-	-	-