Is WILSONVILLE, CITY OF's water safe to drink?
WILSONVILLE, CITY OF has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. Population served: 25,915, over 7,187 connections.
How this compares nationally
Out of 12,903 systems in this dataset, WILSONVILLE, CITY OF ranks 3,054th by violation burden (76th percentile) - 28 violations total, 6 health-baseds.
Against the OR average
Among the 160 OR systems in this dataset, the average is 6.0 health-based violations - WILSONVILLE, CITY OF's 6 is above that. The filter guide explains what a violation like this actually calls for.
Most recent violation on record
WILSONVILLE, CITY OF's most recent violation on record is dated 2025-01-07, with the most recent health-based one dated 1995-01-10. Last reported to EPA: 06/26/2026.
The concern categories on record
WILSONVILLE, 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: 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 WILSONVILLE, CITY OF's record does not cover
WILSONVILLE, CITY OF'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. Water quality can still change between the meter and the faucet - household plumbing sits outside what a record of 28 logged violations can see. The guide to what this data misses covers that gap.