DrinkingWaterCheck

What's in EDWARDSVILLE WATER CORPORATION's water?

EDWARDSVILLE WATER CORPORATION has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. 10,442 people get their water from it, across 4,351 connections.

How this compares nationally

EDWARDSVILLE WATER CORPORATION has 120 violations on record in total, 2 of thems health-based - ranking it 5,751th of 12,903 systems by violation count, the 55th percentile nationally.

How EDWARDSVILLE WATER CORPORATION compares within IN

IN's 283 covered systems average 2.9 health-based violations each; EDWARDSVILLE WATER CORPORATION carries 2, not more than typical for the state. See the lead and copper guide for why lead counts differently.

Most recent violation on record

The last violation EPA has on record for EDWARDSVILLE WATER CORPORATION is from 2025-01-10 (health-based: 2005-01-08). Last reported to EPA: 06/30/2026.

What kind of problem, specifically

EDWARDSVILLE WATER CORPORATION'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:

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 this data is and is not

Everything on this page is EDWARDSVILLE WATER CORPORATION'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 EDWARDSVILLE WATER CORPORATION's customers' taps is household plumbing, invisible to a system-level record ranked 5,751th of 12,903 by violation count. The guide to what this data misses covers that gap.