What's in WARREN WATER DISTRICT's water?
WARREN WATER DISTRICT has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. Population served: 20,095, over 8,110 connections.
How this compares nationally
Out of 12,903 systems in this dataset, WARREN WATER DISTRICT ranks 4,499th by violation burden (65th percentile) - 7 violations total, 4 health-baseds.
How WARREN WATER DISTRICT compares within IA
Among the 203 IA systems in this dataset, the average is 3.5 health-based violations - WARREN WATER DISTRICT's 4 is above that. See the lead and copper guide for why lead counts differently.
Most recent violation on record
The last violation EPA has on record for WARREN WATER DISTRICT is from 2019-07-02 (health-based: 1996-01-05). Last reported to EPA: 06/17/2026.
What kind of problem, specifically
WARREN WATER DISTRICT'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 WARREN WATER DISTRICT's own reported record under the Safe Drinking Water Act - a regulatory filing, not a sample of your tap. This record - 4 health-based violations on file for WARREN WATER DISTRICT - stops at the meter and cannot see household plumbing on the other side of it. The guide to what this data misses covers that gap.