[1] Univ Cape Town, Fac Sci, Dept Environm & Geog Sci, ZA-7701 Rondebosch, South Africa
[2] Univ Stellenbosch, Fac Med & Hlth Sci, ZA-7505 Cape Town, South Africa
[3] Univ KwaZulu Natal, Sch Agr Earth & Environm Sci, ZA-3209 Scottsville, South Africa
[4] Univ Cape Town, Fac Engn & Built Environm, Dept Civil Engn, ZA-7701 Rondebosch, South Africa
[5] Sasol Grp Serv, ZA-2000 Johannesburg, South Africa
[6] eThekwini Water & Sanitat, ZA-4000 Durban, South Africa
[7] Inkomati Catchment Management Agcy, ZA-1200 Nelspruit, South Africa
[8] Water Res Commiss, ZA-0031 Pretoria, South Africa
[9] Univ Free State, Fac Nat & Agr Sci, Disaster Management Training & Educ Ctr Africa, ZA-9300 Bloemfontein, South Africa
[10] Rand Water, ZA-2000 Johannesburg, South Africa
[11] Western Cape Dept Water Affairs, ZA-7532 Cape Town, South Africa
[12] Breede Overberg Catchment Management Agcy, ZA-6849 Worcester, South Africa
[13] Independent Res Water Climate & Environm Justic, ZA-2192 Kensington, South Africa
[14] Tshwane Univ Technol, Fac Sci, Dept Environm Water & Earth Sci, ZA-0001 Pretoria, South Africa
[15] Rhodes Univ, Environm Learning Res Ctr, Dept Educ, ZA-6140 Grahamstown, South Africa
[16] Resource Qual Serv, Dept Water Affairs, ZA-0001 Pretoria, South Africa
[17] Partners Dev, ZA-3206 Dorpspruit, South Africa