Is Rock Island Water Dept City of's water safe to drink?
Rock Island Water Dept 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: 3,226, over 540 connections.
Ranked against every other system in this dataset
Rock Island Water Dept City of has 13 violations on record in total, 1 of them health-based - ranking it 8,063th of 12,903 systems by violation count, the 38th percentile nationally.
Against the WA average
Among the 322 WA systems in this dataset, the average is 3.7 health-based violations - Rock Island Water Dept City of's 1 is at or below that. The clean-record guide covers what a comparison like this can hide.
Most recent violation on record
Rock Island Water Dept City of's most recent violation on record is dated 2024-01-07, with the most recent health-based one dated 1994-01-08. Last reported to EPA: 06/19/2026.
The concern categories on record
Rock Island Water Dept 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 Rock Island Water Dept City of's record does not cover
This is what Rock Island Water Dept City of 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 Rock Island Water Dept City of's customers' taps is household plumbing, invisible to a system-level record ranked 8,063th of 12,903 by violation count. The guide to what this data misses covers that gap.