MASCOUTAH

Illinois — Community Water System — PWSID: IL1630800

System Information

PWSIDIL1630800
System NameMASCOUTAH
System TypeCommunity Water System
Water SourceSurface Water Purchased
Activity StatusActive
Owner TypeLocal
EPA Region05
Serves SchoolNo
WholesalerNo
First ReportedFeb 13, 1981
Last ReportedFeb 26, 2026

Location & Contact

StateIllinois
CityMASCOUTAH
ZIP Code62258
Address3 W Main St
OrganizationHAWKINS, CODY
Phone618-566-2964

Population & Service

Population Served8,759
Service Connections3,992

Drinking Water Violations (43)

This water system has 43 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 Other No No Unaddressed
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
Sep 1, 2005 Sep 30, 2005 MCL Yes No 5% of samples Resolved Sep 30, 2005
Sep 1, 2005 Sep 30, 2005 MCL Yes No 5% of samples Resolved Sep 30, 2005
Sep 1, 2005 Sep 30, 2005 MCL Yes No 5% of samples Resolved Sep 30, 2005
Sep 1, 2005 Sep 30, 2005 MCL Yes No 5% of samples Resolved Sep 30, 2005
Jan 1, 1997 Jan 31, 1997 MR No No 5% of samples Archived Jan 31, 1997
Jun 1, 1996 Jun 30, 1996 MR No No 5% of samples Archived Jun 30, 1996
Jun 1, 1996 Jun 30, 1996 MR No No 5% of samples Archived Jun 30, 1996
Jun 1, 1996 Jun 30, 1996 MR No No 5% of samples Archived Jun 30, 1996
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
Apr 1, 1995 Jun 30, 1995 MCL Yes No .004 0.003 mg/L Resolved Jun 30, 1995
Jun 1, 1994 Jun 30, 1994 MR No No 5% of samples Archived Jun 30, 1994
Jun 1, 1994 Jun 30, 1994 MR No No 5% of samples Archived Jun 30, 1994
Jun 1, 1994 Jun 30, 1994 MR No No 5% of samples Archived Jun 30, 1994
Jun 1, 1994 Jun 30, 1994 MR No No 5% of samples Archived Jun 30, 1994
Jun 1, 1994 Jun 30, 1994 MR No No 5% of samples Archived Jun 30, 1994
Jun 1, 1994 Jun 30, 1994 MR No No 5% of samples Archived Jun 30, 1994
Jun 1, 1991 Jun 30, 1991 MCL Yes No 5% of samples Archived Jun 30, 1991
Jun 1, 1991 Jun 30, 1991 MCL Yes No 5% of samples Archived Jun 30, 1991
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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