What's in IOWA CITY WATER DEPARTMENT's water?

IOWA CITY WATER DEPARTMENT's only violations on record are reporting or monitoring lapses, not a contaminant or treatment-technique failure EPA classifies as health-based. 68,753 people get their water from it, across 28,765 connections.

Ranked against every other system in this dataset

Out of 12,903 systems in this dataset, IOWA CITY WATER DEPARTMENT ranks 9,648th by violation burden (25th percentile) - 43 violations total, 0 health-baseds.

Against the IA average

Among the 203 IA systems in this dataset, the average is 3.5 health-based violations - IOWA CITY WATER DEPARTMENT's 0 is at or below that. See the lead and copper guide for why lead counts differently.

Most recent violation on record

IOWA CITY WATER DEPARTMENT's most recent violation on record is dated 2013-01-02. Last reported to EPA: 06/17/2026.

What IOWA CITY WATER DEPARTMENT's record does not cover

This is what IOWA CITY WATER DEPARTMENT 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 IOWA CITY WATER DEPARTMENT's customers' taps is household plumbing, invisible to a system-level record ranked 9,648th of 12,903 by violation count. The guide to what this data misses covers that gap.