Service Delivery
Blue & Green Drop Water Quality Scores
Blue Drop and Green Drop compliance scores for drinking-water and wastewater systems.
Why Blue and Green Drop scores matter
Blue Drop and Green Drop scores are the Department of Water and Sanitation's regulatory ratings of drinking-water and wastewater system performance, carrying direct public-health and compliance weight. Declining scores expose communities to unsafe water and the municipality to regulatory and reputational consequences, making them a service-delivery and risk indicator the AGSA notes. AuditPro Core tracks Blue and Green Drop scores against compliance benchmarks with traceability to the underlying monitoring data.
The Numbers
AuditPro Core renders this view from your tenant's live, tamper-evident records. The figures below are illustrative sample data.
Blue Drop Score
68%
▼ 5% vs prior
Green Drop Score
51%
▼ 9% vs prior
Systems at Risk
7
critical state
Compliant Systems
12
of 19
Blue vs Green Drop by system
Critical systems
| System | Score | Risk rating |
|---|---|---|
| Rural Scheme | 38 | Critical |
| East Plant | 41 | Critical |
| North WWTW | 48 | High |
Figures shown are illustrative sample data for demonstration. AuditPro Core renders these views from your own tenant's live, tamper-evident records.
Blue Drop and Green Drop
Blue Drop rates drinking-water system performance while Green Drop rates wastewater and sewage treatment. Both are composite scores reflecting management, monitoring, compliance and infrastructure.
Compliance benchmarks
Scores are assessed against regulatory thresholds, with low scores indicating systems at risk of failing health standards. Falling below threshold signals an urgent compliance and public-health concern.
Monitoring data quality
The scores rest on routine sampling and laboratory results that must be reliable and complete. Gaps in monitoring data both lower the score and undermine the credibility of any reported figure.
Infrastructure linkage
Persistently low scores usually trace to ageing or overloaded treatment infrastructure. The indicator therefore connects water quality to the capital and maintenance programmes.
How AuditPro Core Bridges the Gap
- Score tracking: AuditPro Core tracks Blue and Green Drop scores against regulatory benchmarks over time.
- Monitoring linkage: scores tie to underlying sampling and laboratory results for traceability.
- Threshold alerts: systems falling below compliance thresholds are flagged for intervention.
- Regulatory export: score and monitoring data export to support DWS reporting and audit verification.
Key Takeaways
- Treat Blue and Green Drop scores as health and compliance indicators.
- Watch systems falling below regulatory thresholds most closely.
- Ensure monitoring data is complete, since it underpins the score.
- Link persistent low scores to the infrastructure programme.
See This on Your Own Data
AuditPro Core renders this dashboard from your tenant's live, tamper-evident records — every figure traceable to source.