Is CITY OF WILLIAMS's water safe to drink?
CITY OF WILLIAMS has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. Population served: 5,538, over 1,562 connections.
How this compares nationally
3 total violations and 3 health-based ones put CITY OF WILLIAMS at the 56th percentile nationally for violation burden, rank 5,621 of 12,903.
How CITY OF WILLIAMS compares within CA
Among the 803 CA systems in this dataset, the average is 5.8 health-based violations - CITY OF WILLIAMS's 3 is at or below that. The clean-record guide covers what a comparison like this can hide.
Most recent violation on record
The last violation EPA has on record for CITY OF WILLIAMS is from 1996-01-02 (health-based: 1996-01-02). Last reported to EPA: 06/22/2026.
What kind of problem, specifically
CITY OF WILLIAMS'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
Everything on this page is CITY OF WILLIAMS's own reported record under the Safe Drinking Water Act - a regulatory filing, not a sample of your tap. Between the utility's meter and CITY OF WILLIAMS's customers' taps is household plumbing, invisible to a system-level record ranked 5,621th of 12,903 by violation count. The guide to what this data misses covers that gap.