Does Edwardsville, IL tap water have any EPA-reported violations?

As of June 2026, EPA SDWIS records show 44 violation(s) across the community water systems serving Edwardsville, of which 4 are classified by the EPA as health-based. Most older violations have returned to compliance; see the per-system list.

Where does Edwardsville, IL tap water come from?

Edwardsville is served by 5 active community water system(s). Their primary sources, per EPA records, are: groundwater, surface water.

IL / Edwardsville

IL · Tap water records

Edwardsville tap water, in plain English

Here is what the EPA's own data shows about tap water in Edwardsville. According to EPA SDWIS data retrieved June 2026, Edwardsville is served by 5 active community water systems, together reported to serve about 36,608 people.

As of June 2026, EPA records show 44 violations across the community water system(s) serving Edwardsville, going back to the earliest EPA record. 4 of these are classified by the EPA as health-based (a contaminant recorded above the limit the EPA tracks); the rest are monitoring or reporting violations. Each is listed by system below, with its status.

5

Community water systems
~36,608

People served (EPA-reported)
June 2026

EPA records reviewed through

What the EPA has on record, by system

Edwardsville

26,808 served · groundwater · PWSID IL1190250

Monitoring Consumer Confidence Rule: a monitoring or reporting violation (a required test or report was late or missed — not a measured exceedance), recorded once in July 2025. All have since returned to compliance, per EPA records.

North East Central Pwd

3,975 served · groundwater · PWSID IL1195280

Monitoring Consumer Confidence Rule: a monitoring or reporting violation (a required test or report was late or missed — not a measured exceedance), recorded once in July 2004. All have since returned to compliance, per EPA records.

Holiday Shores Sd

2,840 served · surface water · PWSID IL1195110

Health-based Lead and Copper Rule: a health-based violation (a contaminant recorded above the limit the EPA tracks), recorded 2 times in April 2023. The EPA record for these does not include a measured level. All have since returned to compliance, per EPA records.
Health-based TTHM: a health-based violation (a contaminant recorded above the limit the EPA tracks), recorded 2 times between October 2017 and July 2019. The EPA record lists a level of 0.082 MG/L; the limit (MCL) is 0.08 MG/L. All have since returned to compliance, per EPA records.
Monitoring Public Notice: a monitoring or reporting violation (a required test or report was late or missed — not a measured exceedance), recorded 2 times between November 2017 and September 2019. All have since returned to compliance, per EPA records.
Monitoring Consumer Confidence Rule: a monitoring or reporting violation (a required test or report was late or missed — not a measured exceedance), recorded 2 times between July 2016 and July 2018. All have since returned to compliance, per EPA records.

Southern Il University-Edwardsville

2,817 served · groundwater · PWSID IL1195550

Monitoring Lead and Copper Rule: a monitoring or reporting violation (a required test or report was late or missed — not a measured exceedance), recorded 4 times between April 2018 and December 2020. All have since returned to compliance, per EPA records.

Quail Run Mobile Home Park

168 served · groundwater · PWSID IL1190270

Monitoring TTHM: a monitoring or reporting violation (a required test or report was late or missed — not a measured exceedance), recorded 14 times between January 2024 and October 2025. EPA records do not show all of these as returned to compliance.
Monitoring Total Haloacetic Acids (HAA5): a monitoring or reporting violation (a required test or report was late or missed — not a measured exceedance), recorded 14 times between January 2024 and October 2025. EPA records do not show all of these as returned to compliance.
Monitoring Lead and Copper Rule: a monitoring or reporting violation (a required test or report was late or missed — not a measured exceedance), recorded 2 times between April 2025 and July 2025. EPA records do not show all of these as returned to compliance.

What this means

A health-based violation means a contaminant was recorded above the limit the EPA tracks for it. A monitoring or reporting violation means a required test or report was late or missed — not that a contaminant was measured above a limit. “Returned to compliance” means the EPA recorded the issue as resolved.

This page summarizes the EPA's own records and does not assess whether your water is safe to drink. For the most current details, you can verify every record directly with the EPA, and contact your water system with questions.

Source: U.S. EPA Envirofacts SDWIS, retrieved June 2026. Records cover the EPA's full reporting history for these systems. Verify at EPA ECHO.