What's in WILLAMINA, CITY OF's water?
WILLAMINA, CITY OF has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. It serves 2,239 people through 900 service connections.
How this compares nationally
82 total violations and 4 health-based ones put WILLAMINA, CITY OF at the 69th percentile nationally for violation burden, rank 3,971 of 12,903.
Against the OR average
Among the 160 OR systems in this dataset, the average is 6.0 health-based violations - WILLAMINA, CITY OF's 4 is at or below that. The filter guide explains what a violation like this actually calls for.
Most recent violation on record
WILLAMINA, CITY OF's most recent violation on record is dated 2017-01-03, with the most recent health-based one dated 1996-01-02. Last reported to EPA: 06/26/2026.
The concern categories on record
WILLAMINA, CITY OF'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: Surface Water Treatment Rule
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 WILLAMINA, CITY OF's record does not cover
Everything on this page is WILLAMINA, CITY OF'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 WILLAMINA, CITY OF's customers' taps is household plumbing, invisible to a system-level record ranked 3,971th of 12,903 by violation count. The guide to what this data misses covers that gap.