Is CHOWCHILLA CITY WATER DEPT's water safe to drink?
CHOWCHILLA CITY WATER DEPT has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. It serves 13,916 people through 4,224 service connections.
How this compares nationally
11 total violations and 6 health-based ones put CHOWCHILLA CITY WATER DEPT at the 75th percentile nationally for violation burden, rank 3,236 of 12,903.
How CHOWCHILLA CITY WATER DEPT compares within CA
CHOWCHILLA CITY WATER DEPT's 6 health-based violations sit above the CA average of 5.8, across 803 systems statewide. The filter guide explains what a violation like this actually calls for.
Most recent violation on record
The last violation EPA has on record for CHOWCHILLA CITY WATER DEPT is from 2006-01-01 (health-based: 1995-01-07). Last reported to EPA: 06/22/2026.
What kind of problem, specifically
CHOWCHILLA CITY WATER DEPT'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)
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 this data is and is not
CHOWCHILLA CITY WATER DEPT'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. Between the utility's meter and CHOWCHILLA CITY WATER DEPT's customers' taps is household plumbing, invisible to a system-level record ranked 3,236th of 12,903 by violation count. The guide to what this data misses covers that gap.