What's in CAHOKIA HEIGHTS's water?

CAHOKIA HEIGHTS has no violations on record in EPA's SDWIS data. Population served: 12,528, over 5,011 connections.

Ranked against every other system in this dataset

Out of 12,903 systems in this dataset, CAHOKIA HEIGHTS ranks 12,662th by violation burden (2th percentile) - 0 violations total, 0 health-baseds.

How CAHOKIA HEIGHTS compares within IL

Among the 560 IL systems in this dataset, the average is 5.0 health-based violations - CAHOKIA HEIGHTS's 0 is at or below that. The filter guide explains what a violation like this actually calls for.

What this data is and is not

CAHOKIA HEIGHTS'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. Between the utility's meter and CAHOKIA HEIGHTS's customers' taps is household plumbing, invisible to a system-level record ranked 12,662th of 12,903 by violation count. The guide to what this data misses covers that gap.