Maywood, IL Water Quality
What's in Maywood's water?
Maywood has at least one health-based violation EPA's own compliance-tracking system still lists as unaddressed - the required fix has not been reported complete. 24,090 people get their water from it, across 6,200 connections.
How this compares nationally
28 total violations and 3 health-based ones put Maywood at the 62th percentile nationally for violation burden, rank 4,939 of 12,903.
Against the IL average
IL's 572 covered systems average 5.1 health-based violations each; Maywood carries 3, not more than typical for the state. The filter guide explains what a violation like this actually calls for.
Most recent violation on record
Maywood's most recent violation on record is dated 2027-07-08, with the most recent health-based one dated 2027-07-08. Last reported to EPA: 05/27/2026.
The concern categories on record
Maywood'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:
- Lead & copper - flagged from: Lead and Copper Rule
- Microbial contamination / treatment technique - flagged from: Coliform (TCR)
The most severe category on record is lead & copper, which points toward a lead-class filter if you want to address it directly.
What Maywood's record does not cover
Everything on this page is Maywood's own reported record under the Safe Drinking Water Act - a regulatory filing, not a sample of your tap. Water quality can still change between the meter and the faucet - household plumbing sits outside what a record of 28 logged violations can see. The guide to what this data misses covers that gap.