Is WATERLOO WATERWORKS's water safe to drink?
WATERLOO WATERWORKS has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. Population served: 3,520, over 1,303 connections.
WATERLOO WATERWORKS's record against the rest of the country
WATERLOO WATERWORKS has 14 violations on record in total, 5 of thems health-based - ranking it 3,671th of 12,903 systems by violation count, the 72th percentile nationally.
Against the WI average
WATERLOO WATERWORKS's 5 health-based violations sit above the WI average of 3.6, across 202 systems statewide. The clean-record guide covers what a comparison like this can hide.
Most recent violation on record
WATERLOO WATERWORKS's most recent violation on record is dated 2023-01-10, with the most recent health-based one dated 2019-01-10. Last reported to EPA: 05/29/2026.
The concern categories on record
WATERLOO WATERWORKS'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:
- Lead & copper - flagged from: Lead and Copper Rule
- Microbial contamination / treatment technique - flagged from: Coliform (TCR)
The most severe category on record is lead & copper, which points toward a lead-class filter if you want to address it directly.
What WATERLOO WATERWORKS's record does not cover
This is what WATERLOO WATERWORKS 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. This record - 5 health-based violations on file for WATERLOO WATERWORKS - 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.