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WaterSafety

City of Fresno

Fresno, California · PWSID: CA1010007

A
Water Safety Score
94/100
545,716
Population Served
Surface water
Source Type
0
Health Violations
0
Contaminant Exceedances

Detected Contaminants

ContaminantDetected LevelMCL (Limit)StatusSample Date
Nitrate5 ppm10 ppmWithin LimitJan 1, 2016

Violation History

Nitrate
Health-BasedJan 1, 2016 - Jul 26, 2017
Resolved
Enforcement: 9711020
Nitrate
Health-BasedJan 1, 2016 - Jul 26, 2017
Resolved
Enforcement: 9711020
Nitrate
Health-BasedJan 1, 2016 - Jul 26, 2017
Resolved
Enforcement: 9711020

Frequently Asked Questions

City of Fresno has a Water Safety Score of A (94/100). The system serves 545,716 people and has 0 health violations on record. Check the contaminant table above for specific detected substances.

City of Fresno has 0 contaminant exceedances above EPA health guidelines. See the full contaminant detection table above for all tested substances and their levels relative to legal limits and health guidelines.

The Water Safety Score (0-100, grades A through F) is based on contaminant levels relative to legal limits, health guideline exceedances, violation history, and enforcement actions. Higher scores indicate fewer concerns.

If your water system has violations, request the Consumer Confidence Report from your utility, consider getting an independent water test from a certified lab, and look into certified water filters for specific contaminants of concern. For lead, run cold water for 30 seconds before drinking.

Sources: EPA SDWIS, EWG Tap Water Database
Last updated:

Water quality data sourced from EPA's Safe Drinking Water Information System (SDWIS). Safety scores are calculated based on contaminant levels, violations, and enforcement history. This is not a substitute for your utility's official Consumer Confidence Report.