Maywood

PWSID: IL0311830

2 active violations (non-health-based)
This system has unresolved violations related to monitoring, reporting, or procedural requirements, but none involve contaminant levels exceeding EPA health limits.

This system has more violations on record than 86% of water systems in Illinois.

Violation trend: 3.0 per year over the last 5 years.

System Details

Population Served24,090
Service Connections6,200
Water SourceSurface Water Purchased
System TypeCommunity Water System
OwnerLocal Government
StatusActive
CityMaywood
EPA ZIP on File60153

Areas Served

  • Maywood, Cook County

Lead & Copper Testing

ContaminantLevelEPA Action LevelStatus
Lead (90th percentile)0.0830 mg/L0.015 mg/LExceeds Action Level
Lead (90th percentile)0.0098 mg/L0.015 mg/LBelow Action Level
Lead (90th percentile)0.0051 mg/L0.015 mg/LBelow Action Level
Lead (90th percentile)0.0044 mg/L0.015 mg/LBelow Action Level
Lead (90th percentile)0.0020 mg/L0.015 mg/LBelow Action Level

2 Active Violations

ContaminantViolationDateHealth-BasedStatus
5000MR2025-07-01Open
7500Other2025-01-12Open

Violation History (22 total)

ContaminantViolationDateHealth-BasedStatus
7000Other2024-07-01Returned to Compliance
7000Other2024-07-01Returned to Compliance
2950MR2023-10-01 MajorReturned to Compliance
2950MR2023-10-01 MajorReturned to Compliance
2950MR2023-10-01 MajorAcknowledged
2950MR2023-10-01 MajorAcknowledged
2950MR2023-10-01 MajorReturned to Compliance
2456MR2023-10-01 MajorReturned to Compliance
2456MR2023-10-01 MajorReturned to Compliance
2456MR2023-10-01 MajorAcknowledged
2456MR2023-10-01 MajorAcknowledged
2456MR2023-10-01 MajorReturned to Compliance
5000MR2021-12-30Returned to Compliance
7000Other2014-07-01Returned to Compliance
7000Other2012-07-01Returned to Compliance
5000MR2010-01-02Returned to Compliance
7500Other2008-07-12Returned to Compliance
7500Other2008-07-12Returned to Compliance
7000Other2007-07-01Returned to Compliance
5000TT1992-12-21YesReturned to Compliance

Understanding This Water System's Record

Maywood is a community water system water system that draws from surface water purchased sources and serves a population of 24,090 in Maywood, Illinois. This page shows its complete compliance history as reported to the EPA's Safe Drinking Water Information System (SDWIS), the federal database that tracks every public water system in the United States.

What Do These Violations Mean?

Health-based violations mean the system exceeded an EPA maximum contaminant level (MCL) or failed to provide required treatment. These indicate potential health risks from contaminants like lead, arsenic, bacteria, nitrates, or disinfection byproducts. Non-health-based violations involve monitoring, reporting, or procedural requirements — the system missed a testing deadline or failed to notify customers, but contaminant levels were not necessarily unsafe.

What Should You Do?

Your water utility is required to publish an annual Consumer Confidence Report (CCR) that details test results and any violations. If your system has active health-based violations, consider a certified water filter rated for the specific contaminants involved. The contaminant guides on this site explain health risks and filter options for common pollutants. For the most current results, contact your water utility directly — EPA data can lag weeks or months behind real-time testing.