SARS 2026/2027LIVERepo Rate7.00%+0,25% since 28 May 2026Prime Rate10.50%+0,25% since 28 May 2026VAT Rate15%UIF CeilingR17,712Tax ThresholdR99,000USD/ZAR16.41Exchange rate updated 30 Sept 2026Municipal audits5 of 26clean · tracked hereLatest case27 Jul 2026GautengWater systems2824 cited-period concernsSARS 2026/2027LIVERepo Rate7.00%+0,25% since 28 May 2026Prime Rate10.50%+0,25% since 28 May 2026VAT Rate15%UIF CeilingR17,712Tax ThresholdR99,000USD/ZAR16.41Exchange rate updated 30 Sept 2026Municipal audits5 of 26clean · tracked hereLatest case27 Jul 2026GautengWater systems2824 cited-period concerns
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EvidenceNewer source available · Water quality assessmentsFamily-level scope · details ↓
Newer source availableWater quality assessments

A newer source cycle or material change has been observed. Odyssey has not fully migrated it, so this surface may retain older or mixed periods.

Period / scope
Blue Drop 2023 full entity records + 2025 Green Drop full national assessment + Blue/No Drop progress assessments released 31 March 2026; W4 records Green Drop row-level IRIS retrieval as source-unavailable without promoting legacy metro scores
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Checked 12 Aug 2026

Evidence status is dataset-family level. Row-level and field-level source labels still control where they are more specific.

Home›Water Quality Tracker›City of Johannesburg
Gauteng · mixed cited assessment periods

City of Johannesburg Water Quality

Blue Drop: 98.1/100

✓ Met cited-period drinking-water criteria

The directly cited Blue Drop 2023 record met the drinking-water criteria represented here. It does not establish today's tap-water status.

City of Johannesburg in Gauteng has a directly cited DWS Blue Drop score of 98.1/100, with Odyssey tracker tier Excellent. In the 2023 record represented by this tracker, the drinking-water signal is marked as meeting the cited criteria. This is not a live tap-water advisory. The wastewater risk label is mixed/supplementary tracker context and is not presented as a directly reconciled Green Drop result. The directly cited water losses is 35% for 2023.

Metrics — cited source periods

Blue Drop (drinking water)98.1/100Direct DWS citation
Wastewater tracker riskAdequatePrimary source pending
Drinking-water assessment signalMet cited-period criteriaCited-period pass
Wastewater assessment signalConcern / non-compliance in cited period
Water losses35%Direct primary citation
Population served4 803 262
Legacy row audit-year field2023

Drinking water excellent due to Rand Water support. However Green Drop score has dropped from 86 to 73 since 2013/14 — wastewater treatment is deteriorating. Criminal cases opened by DWS against Johannesburg for Water Act breaches in December 2023. Nearly half of all water is lost before reaching taps.

Programme provenance

Blue Drop: direct primary citation · 2023

Green Drop: programme-specific primary source pending

No Drop: direct primary citation · 2023

Current row citation — DWS Blue Drop 2023 + City of Johannesburg Budget Book 2023/24

View current row citation →View typed No Drop / loss metric source →
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Other systems in Gauteng

City of Tshwane⚠ Cited-period concernCity of Ekurhuleni✓ Cited-period passEmfuleni Local Municipality⚠ Cited-period concern
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This tracked profile can combine Blue Drop, Green Drop, No Drop and supplementary sources from different periods. Programme labels above are only treated as directly sourced when the cited URL matches that DWS programme; otherwise primary-source reconciliation remains pending. Regulatory assessments describe the cited assessment period and are not live tap-water advisories. Follow current DWS or municipal advisories for immediate health guidance.