FILER WATER WORKS: EPA violation history, explained
FILER WATER WORKS has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. Population served: 2,858, over 975 connections.
FILER WATER WORKS's record against the rest of the country
Out of 12,903 systems in this dataset, FILER WATER WORKS ranks 474th by violation burden (96th percentile) - 84 violations total, 34 health-baseds.
How FILER WATER WORKS compares within ID
FILER WATER WORKS's 34 health-based violations sit above the ID average of 10.3, across 88 systems statewide. See the lead and copper guide for why lead counts differently.
Most recent violation on record
The last violation EPA has on record for FILER WATER WORKS is from 2025-02-07 (health-based: 2021-01-04). Last reported to EPA: 06/26/2026.
What kind of problem, specifically
FILER WATER WORKS'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)
- Other regulated metals - flagged from: Arsenic
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
This is what FILER WATER WORKS reported to its state primacy agency and EPA under the Safe Drinking Water Act - real regulatory record, not a lab test of your specific tap. Between the utility's meter and FILER WATER WORKS's customers' taps is household plumbing, invisible to a system-level record ranked 474th of 12,903 by violation count. The guide to what this data misses covers that gap.