Rand Water | Integrated Annual Report 2025

INTEGRATED ANNUAL REPO

Compliance report for organic contaminants assessment in Rand Water drinking water supply value chain: 2024/25 FY Organic contaminants Unit of Measure Guidelines Limit Analysing laboratory Reporting Limit No. results Achieved compli ance level (%) Limit Source Value Units Di-methyl phthalate µg/l 5 SM M&L <20 µg/l 31 100% Ethyl Benzene µg/l 300 WHO RW <0,8 µg/l 31 100% Ethylene glycol µg/l 7000 USEPA M&L <10 mg/L 31 100% Fluoranthene ng/l 70x10 3 MDH RW <45 ng/l 31 100% Fluorene ng/l 1000x10 3 USEPA RW <45 ng/l 31 100% Indeno[1,2,3-cd] pyrene ng/l 100 EU RW <40 ng/l 31 100% Naphthalene ng/l 100000 USEPA RW <25 ng/l 31 100% O-Xylene µg/l 500 WHO RW <0,6 µg/l 31 100% m-Xylene ug/l 500 WHO RW <0,9 ug/l 31 100% p-Xylene ug/l 500 WHO RW <0,8 ug/l 31 100% Pentachlorophenol ng/l 9000 WHO RW <30 ng/l 31 100% Phenanthrene ng/l 200 USEPA RW <45 ng/l 31 100% Phenol µg/l 10 SANS 241 RW <2.5 µg/l 31 100% Pyrene ng/l 50000 MDH RW <45 ng/l 31 100% Toluene µg/l 4 AG M&L <5 µg/l 31 100% PESTICIDES 2,4,5-T mg/l 0,005 USEPA M&L <20 µg/l 31 100% 2,4-Dichloro phenoxyacetic (2,4-D) mg/l 0,07 USEPA M&L <5 µg/l 31 100% a-BHC mg/l 200 USEPA RW <25 ng/l 31 100% Acetochlor mg/l 20000 MDH RW <30 ng/l 31 100% Alachlor ng/l 20000 WHO RW <30 ng/l 31 100% Atrazine ng/l 100x10 3 WHO RW <25 ng/l 31 100% Azinphos-methyl mg/L 0,03 AG M&L <20 µg/l 31 100% b-BHC ng/l 2000 RW RW <20 ng/l 31 100% Bromacil mg/L 0,4 AG M&L <5 µg/l 31 100% Carbaryl mg/L 0,03 AG M&L <5 µg/l 31 100% Carbofuran mg/L 0,01 AG M&L <5 µg/l 31 100% Chlorothalonil mg/L 0,05 AG M&L <20 µg/l 31 100% Chlorpyrifos mg/L 0,03 WHO M&L <20 µg/l 31 100% d-BHC ng/l 2000 RW RW <20 ng/l 31 100% Desethylatrazine ng/l 100x10 3 WHO RW <35 ng/l 31 100% Diazinon mg/L 0,004 AG M&L <20 µg/l 31 100% Dichloroprop mg/L 0,1 AG M&L <5 µg/l 31 100% Dieldrin ng/l 30 WHO RW <40 ng/l 31 100% Dimethenamid ng/l 300x10 3 MDH RW <45 ng/l 31 100% Dimethoate mg/L 0,007 AG M&L <5 µg/l 31 100%

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Rand Water | Integrated Annual Report 2025