What's in WOOD DALE's water?

WOOD DALE's only violations on record are reporting or monitoring lapses, not a contaminant or treatment-technique failure EPA classifies as health-based. Population served: 14,012, over 5,004 connections.

Ranked against every other system in this dataset

5 total violations and 0 health-based ones put WOOD DALE at the 14th percentile nationally for violation burden, rank 11,122 of 12,903.

Against the IL average

WOOD DALE's 0 health-based violations sit within the IL average of 5.0, across 560 systems statewide. See the lead and copper guide for why lead counts differently.

Most recent violation on record

WOOD DALE's most recent violation on record is dated 2025-01-07. Last reported to EPA: 05/27/2026.

What WOOD DALE's record does not cover

This is what WOOD DALE 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 WOOD DALE's customers' taps is household plumbing, invisible to a system-level record ranked 11,122th of 12,903 by violation count. The guide to what this data misses covers that gap.