From: The Orange–Senqu River BasinInfrastructure Catalogue,ORASEC : Bloemspruit Airforce BaseSTW Name of wastewatertreatment worksName of Bloemfontein: LangenhovenparkSTW Bloemfontein: BloemspruitSTW Bloemfontein: Noordelike STW Bloemfontein: WelvaartSTW Bloemfontein: South-eastern Bloemfontein: Meriting STWBloemfontein: Meriting STW Ikgomotseng STW Koffiefontein STW Aliwal North STW North Aliwal STW Fouriesburg STW STW STWDealesville Hobhouse STW Upper OrangeWMA STW Ficksburg STW Brandfort STW STW Clocolan STW Clarens STW Botshabelo Bainsvlei W ofBloemfontein;29°13’11”S;26°07’21”E N ofBloemfontein;29°02’43”S 29° 07’24”S;26°16’51”E On road toDewetsdorp West ofBloemfontein West ofBloemfontein Koffiefontein Botshabelo Unknown Unknown Unknown Unknown Unknown Unknown Unknown Unknown Unknown Unknown Unknown Unknown Unknown Unknown Unknown Unknown Position 26° 12’13”E OM R Peak rated designflowcapacity eport 001/2013 eport (Mℓ/day) Unknown Unknown Unknown Unknown Unknown Unknown Unknown Unknown 20.00 57.00 30.00 6.20 0.30 1.80 1.20 0.70 7.20 0.75 1.20 5.00 3.60 6.50 0.55 5.00 Treatment process description Biofilters and activated sludge andactivated Biofilters Biofilters and activated sludge andactivated Biofilters Biofilters and activated sludge andactivated Biofilters Biofilters and activated sludge andactivated Biofilters Heismann – VerticalHeismann Aerators anddams Activated sludge Activated Oxidation ponds Oxidation Oxidation ponds Oxidation Oxidation ponds Oxidation Oxidation ponds Oxidation Oxidation ponds Oxidation ponds Oxidation Oxidation ponds Oxidation Oxidation ponds Oxidation Biological filters Oxidation dams Oxidation Oxidation dams Oxidation dams Oxidation Conventional Conventional Unknown Unknown Unknown Discharge into stormwaterbalancingdamsdraining Discharge KleinModderRiver into the Some discharge, mainlyevaporation Small returnsSmall toKleinCaledon River Discharge Bloemspruit into the No returns, usedforirrigation No returns, usedforirrigation No returns, usedforirrigation Discharge Kaalspruit into the Discharge RietRiver intothe Effluent disposal processEffluent Reed bedsinspruit the ModderRiver the Caledon River Evaporation Evaporation No returns No returns No returns No returns Unknown Unknown Unknown Unknown Unknown Unknown Upper Orange WMA

Peak rated design flow capacity Name of wastewater treatment works Position (Mℓ/day) Treatment process description Effluent disposal process Ladybrand STW Unknown Unknown Unknown Discharge into spruit Luckoff Unknown 0.44 Oxidation ponds No returns Maseru Unknown 10.00 Unknown Discharge into Caledon River Oppermans STW Unknown Unknown Oxidation ponds No returns STW Unknown Unknown Oxidation ponds No returns STW Unknown 0.47 Oxidation ponds Some discharge into spruit Rosendal STW Unknown Unknown Oxidation ponds No returns STW Unknown Unknown Oxidation ponds No returns Selosesha STW Thaba Nchu 6.00 Activated sludge Discharge into the Sepanespruit Smithfield STW Unknown 0.52 Oxidation ponds Discharge to Groenspruit Soutpan STW Unknown 0.04 Oxidation ponds No returns STW Unknown Unknown Oxidation ponds No returns Sterkwater STW South east of Bloemfontein 10.00 Biofilters and activated sludge Discharge into the Renosterspruit Thaba Patchoa STW Unknown Unknown Oxidation ponds Evaporation dams Tweespruit STW Unknown Unknown Oxidation ponds No returns, used for irrigation STW Unknown Unknown Oxidation ponds No returns STW Unknown Unknown Conventional Unknown WCW: Water care works STW: Sewage treatment works Source: DWA, 2002d