Is CITY OF FRESNO's water safe to drink?
CITY OF FRESNO has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. It serves 545,716 people through 144,185 service connections.
CITY OF FRESNO's record against the rest of the country
Out of 12,903 systems in this dataset, CITY OF FRESNO ranks 3,696th by violation burden (71th percentile) - 12 violations total, 5 health-baseds.
Against the CA average
Among the 803 CA systems in this dataset, the average is 5.8 health-based violations - CITY OF FRESNO's 5 is at or below that. See the lead and copper guide for why lead counts differently.
Most recent violation on record
CITY OF FRESNO's most recent violation on record is dated 2016-01-01, with the most recent health-based one dated 2009-01-12. Last reported to EPA: 06/22/2026.
The concern categories on record
CITY OF FRESNO's flagged contaminants and rule violations, grouped by what they actually mean for a filter choice rather than left as EPA's raw code list:
- Microbial contamination / treatment technique - flagged from: Coliform (TCR)
- Nitrate / nitrite - flagged from: Nitrate
- Synthetic organic chemicals / pesticides / VOCs - flagged from: 1,2-DIBROMO-3-CHLOROPROPANE
The most severe category on record is microbial contamination / treatment technique, which points toward a microbial-class filter if you want to address it directly.
What CITY OF FRESNO's record does not cover
CITY OF FRESNO's numbers here come from its own required reporting to EPA under the Safe Drinking Water Act, not from an independent test of your glass of water. This record - 5 health-based violations on file for CITY OF FRESNO - stops at the meter and cannot see household plumbing on the other side of it. The guide to what this data misses covers that gap.