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In-City samples meeting water quality standards for coliform bacteria (%)
Ensure the sufficiency, quality and security of the City’s drinking water supply. — Comply with all federal and State drinking water quality standards and monitor and respond to customer-reported aesthetic issues.
* Year to date — this fiscal year isn't complete, so it's not compared against prior years in the target/trend status above.
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| Fiscal year | Actual | Target |
|---|---|---|
| FY22 | 100% | 100% |
| FY23 | 100% | 100% |
| FY24 | 100% | 100% |
| FY25 | 100% | 100% |
| FY26 (YTD) | 100% | 100% |
100% in FY26 — met the City's own target for this indicator (right at the target), and it has stayed essentially flat over the past 3 years of reported data.
Source: Bureau of Water Supply, Water Quality Directorate — via NYC Open Data: Mayor's Management Report, Agency Performance Indicators
Coverage shown: FY22–FY26, reported monthly.
Definition: The percent of time the City drinking water meets the State quality standard for coliform bacteria. This is a standard measure of microbiological purity for drinking water.