What's in SCHAUMBURG's water?

SCHAUMBURG's only violations on record are reporting or monitoring lapses, not a contaminant or treatment-technique failure EPA classifies as health-based. Population served: 75,750, over 26,493 connections.

SCHAUMBURG's record against the rest of the country

SCHAUMBURG has 8 violations on record in total, 0 of thems health-based - ranking it 10,601th of 12,903 systems by violation count, the 18th percentile nationally.

How SCHAUMBURG compares within IL

Among the 560 IL systems in this dataset, the average is 5.0 health-based violations - SCHAUMBURG'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 SCHAUMBURG is from 2024-01-01. Last reported to EPA: 05/27/2026.

What this data is and is not

This is what SCHAUMBURG 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 SCHAUMBURG's customers' taps is household plumbing, invisible to a system-level record ranked 10,601th of 12,903 by violation count. The guide to what this data misses covers that gap.