AMES WATER TREATMENT PLANT: EPA violation history, explained

AMES WATER TREATMENT PLANT's only violations on record are reporting or monitoring lapses, not a contaminant or treatment-technique failure EPA classifies as health-based. 55,177 people get their water from it, across 19,337 connections.

How this compares nationally

9 total violations and 0 health-based ones put AMES WATER TREATMENT PLANT at the 18th percentile nationally for violation burden, rank 10,517 of 12,903.

Against the IA average

Among the 203 IA systems in this dataset, the average is 3.5 health-based violations - AMES WATER TREATMENT PLANT's 0 is at or below that. The clean-record guide covers what a comparison like this can hide.

Most recent violation on record

AMES WATER TREATMENT PLANT's most recent violation on record is dated 2025-01-09. Last reported to EPA: 06/17/2026.

What AMES WATER TREATMENT PLANT's record does not cover

Everything on this page is AMES WATER TREATMENT PLANT's own reported record under the Safe Drinking Water Act - a regulatory filing, not a sample of your tap. Between the utility's meter and AMES WATER TREATMENT PLANT's customers' taps is household plumbing, invisible to a system-level record ranked 10,517th of 12,903 by violation count. The guide to what this data misses covers that gap.