S L M WATER COMMISSION

Illinois — Community Water System — PWSID: IL1635090

System Information

PWSIDIL1635090
System NameS L M WATER COMMISSION
System TypeCommunity Water System
Water SourceSurface Water
Activity StatusActive
Owner TypeLocal
EPA Region05
Serves SchoolNo
WholesalerYes
First ReportedFeb 13, 1981
Last ReportedFeb 26, 2026

Location & Contact

StateIllinois
CityMASCOUTAH
ZIP Code62258
Address5627 HIGHBANKS ROAD
OrganizationMUELLER, DON L.
Phone618-566-7100

Population & Service

Population Served385
Service Connections154

Drinking Water Violations (37)

This water system has 37 violations recorded in the EPA SDWIS database.

Begin Date End Date Contaminant Category Health-Based Major Measured Federal MCL State MCL Status Return to Compliance Rule
Jul 1, 2025 Sep 30, 2025 MR No Yes 0.003 mg/L Archived Sep 30, 2025
Jul 1, 2025 Sep 30, 2025 MR No Yes 0.003 mg/L Archived Sep 30, 2025
Jul 1, 2025 Sep 30, 2025 MR No Yes 0.004 mg/L Archived Sep 30, 2025
Jul 1, 2025 Sep 30, 2025 MR No Yes 0.004 mg/L Archived Sep 30, 2025
Jun 1, 2014 Jun 30, 2014 TT Yes No Resolved Jun 30, 2014
Jun 1, 2014 Jun 30, 2014 TT Yes No Resolved Jun 30, 2014
Jun 1, 2014 Jun 30, 2014 TT Yes No Resolved Jun 30, 2014
Jun 1, 2014 Jun 30, 2014 TT Yes No Resolved Jun 30, 2014
Jun 1, 2014 Jun 30, 2014 TT Yes No Resolved Jun 30, 2014
Jun 1, 2014 Jun 30, 2014 TT Yes No Resolved Jun 30, 2014
Aug 1, 2006 Aug 31, 2006 MR No No 5% of samples Resolved Aug 31, 2006
Aug 1, 2006 Aug 31, 2006 MR No No 5% of samples Resolved Aug 31, 2006
Jul 1, 2006 Sep 30, 2006 MR No Yes 4.0 mg/L Resolved Sep 30, 2006
Jul 1, 2006 Sep 30, 2006 MR No Yes 4.0 mg/L Resolved Sep 30, 2006
Apr 1, 1995 Jun 30, 1995 MCL Yes No .004 0.003 mg/L Resolved Jun 30, 1995
Apr 1, 1995 Jun 30, 1995 MCL Yes No .004 0.003 mg/L Resolved Jun 30, 1995
Apr 1, 1995 Jun 30, 1995 MCL Yes No .004 0.003 mg/L Resolved Jun 30, 1995
Jun 30, 1977 Jun 29, 1981 MR No No 15 pCi/L Archived Jun 29, 1981
No No
No No
No No
No No
No No
No No
No No
No No
No No
No No
No No
No No
No No
No No
No No
No No
No No
No No
No No

About This Water System

Public water system data comes from the EPA Safe Drinking Water Information System (SDWIS). Systems with violations must notify customers. Contact your water utility for the latest annual water quality report.

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