CARROLL MUNICIPAL WATER SUPPLY: EPA violation history, explained

CARROLL MUNICIPAL WATER SUPPLY's only violations on record are reporting or monitoring lapses, not a contaminant or treatment-technique failure EPA classifies as health-based. 10,184 people get their water from it, across 4,943 connections.

CARROLL MUNICIPAL WATER SUPPLY's record against the rest of the country

Out of 12,903 systems in this dataset, CARROLL MUNICIPAL WATER SUPPLY ranks 11,982th by violation burden (7th percentile) - 2 violations total, 0 health-baseds.

How CARROLL MUNICIPAL WATER SUPPLY compares within IA

Among the 203 IA systems in this dataset, the average is 3.5 health-based violations - CARROLL MUNICIPAL WATER SUPPLY's 0 is at or below 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 CARROLL MUNICIPAL WATER SUPPLY is from 1992-01-07. Last reported to EPA: 06/17/2026.

What this data is and is not

CARROLL MUNICIPAL WATER SUPPLY's numbers here come from its own required reporting to EPA under the Safe Drinking Water Act, not from an independent test of your glass of water. This record - 0 health-based violations on file for CARROLL MUNICIPAL WATER SUPPLY - 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.