MATTOON

Illinois - Community Water System - PWSID: IL0290250

System Information

PWSIDIL0290250
System NameMATTOON
System TypeCommunity Water System
Water SourceSurface Water
Activity StatusActive
Owner TypeLocal
EPA Region05
Serves SchoolNo
WholesalerNo
First ReportedFeb 13, 1981
Last ReportedFeb 26, 2026

Location & Contact

StateIllinois
CityMATTOON
ZIP Code61938
AddressMattoon City Hall
OrganizationCLARK, DAVID
Phone217-235-5460

Population & Service

Population Served19,500
Service Connections8,000

Drinking Water Violations (71)

This water system has 71 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
Apr 1, 2023 Jun 30, 2023 MR No Yes - 0.003 mg/L - Resolved Jun 30, 2023 -
Apr 1, 2023 Jun 30, 2023 MR No Yes - 0.003 mg/L - Resolved Jun 30, 2023 -
Apr 1, 2023 Jun 30, 2023 MR No Yes - 0.003 mg/L - Resolved Jun 30, 2023 -
Apr 1, 2023 Jun 30, 2023 MR No Yes - 0.003 mg/L - Resolved Jun 30, 2023 -
Jun 1, 2010 Jun 30, 2010 MR No No - 5% of samples - Resolved Jun 30, 2010 -
Jun 1, 2010 Jun 30, 2010 MR No No - 5% of samples - Resolved Jun 30, 2010 -
Apr 1, 2010 Jun 30, 2010 MR No Yes - 4.0 mg/L - Resolved Jun 30, 2010 -
Apr 1, 2010 Jun 30, 2010 MR No Yes - 4.0 mg/L - Resolved Jun 30, 2010 -
Jan 1, 2007 Mar 31, 2007 MR No Yes - 0.003 mg/L - Resolved Mar 31, 2007 -
Jan 1, 2007 Mar 31, 2007 MR No Yes - 0.003 mg/L - Resolved Mar 31, 2007 -
Jul 1, 2001 - Other No No - - - Resolved Jul 23, 2001 -
Jul 1, 2001 - Other No No - - - Resolved Jul 23, 2001 -
Dec 1, 1998 Dec 31, 1998 TT Yes No - - - Archived Dec 31, 1998 -
Dec 1, 1998 Dec 31, 1998 TT Yes No - - - Archived Dec 31, 1998 -
Dec 1, 1998 Dec 31, 1998 TT Yes No - - - Archived Dec 31, 1998 -
Feb 1, 1998 Feb 28, 1998 MCL Yes No - 5% of samples - Archived Feb 28, 1998 -
Feb 1, 1998 Feb 28, 1998 MR No No - 5% of samples - Archived Feb 28, 1998 -
Feb 1, 1998 Feb 28, 1998 MR No No - 5% of samples - Archived Feb 28, 1998 -
Feb 1, 1998 Feb 28, 1998 MCL Yes No - 5% of samples - Archived Feb 28, 1998 -
Dec 1, 1996 Dec 31, 1996 TT Yes No - - - Archived Dec 31, 1996 -
Dec 1, 1996 Dec 31, 1996 TT Yes No - - - Archived Dec 31, 1996 -
Dec 1, 1996 Dec 31, 1996 TT Yes No - - - Archived Dec 31, 1996 -
Nov 1, 1996 Nov 30, 1996 TT Yes No - - - Archived Nov 30, 1996 -
Nov 1, 1996 Nov 30, 1996 TT Yes No - - - Archived Nov 30, 1996 -
Nov 1, 1996 Nov 30, 1996 TT Yes No - - - Archived Nov 30, 1996 -
Oct 1, 1996 Oct 31, 1996 TT Yes No - - - Archived Oct 31, 1996 -
Oct 1, 1996 Oct 31, 1996 TT Yes No - - - Archived Oct 31, 1996 -
Oct 1, 1996 Oct 31, 1996 TT Yes No - - - Archived Oct 31, 1996 -
Jan 1, 1996 Jan 31, 1996 TT Yes No - - - Archived Jan 31, 1996 -
Jan 1, 1996 Jan 31, 1996 TT Yes No - - - Archived Jan 31, 1996 -
Jan 1, 1996 Jan 31, 1996 TT Yes No - - - Archived Jan 31, 1996 -
Aug 1, 1995 Aug 31, 1995 TT Yes No - - - Archived Aug 31, 1995 -
Jun 1, 1995 Jun 30, 1995 TT Yes No - - - Archived Jun 30, 1995 -
Jun 1, 1995 Jun 30, 1995 TT Yes No - - - Archived Jun 30, 1995 -
Jun 1, 1995 Jun 30, 1995 TT Yes No - - - Archived Jun 30, 1995 -
Dec 1, 1994 Dec 31, 1994 TT Yes No - - - Archived Dec 31, 1994 -
Dec 1, 1994 Dec 31, 1994 TT Yes No - - - Archived Dec 31, 1994 -
Dec 1, 1994 Dec 31, 1994 TT Yes No - - - Archived Dec 31, 1994 -
Oct 1, 1994 - MR No No - TT - Resolved Jun 1, 1995 -
Sep 1, 1994 Sep 30, 1994 TT Yes No - - - Archived Sep 30, 1994 -
Sep 1, 1994 Sep 30, 1994 TT Yes No - - - Archived Sep 30, 1994 -
Sep 1, 1994 Sep 30, 1994 TT Yes No - - - Archived Sep 30, 1994 -
Jul 1, 1994 Jul 31, 1994 TT Yes No - - - Archived Jul 31, 1994 -
Jul 1, 1994 Jul 31, 1994 TT Yes No - - - Archived Jul 31, 1994 -
Jul 1, 1994 Jul 31, 1994 TT Yes No - - - Archived Jul 31, 1994 -
Jul 1, 1994 Jul 31, 1994 TT Yes No - - - Archived Jul 31, 1994 -
Jun 25, 1979 Jun 24, 1980 MR No Yes - 10 mg/L - Archived Jun 24, 1980 -
Jun 25, 1979 Jun 24, 1980 MR No Yes - 0.010 mg/L - Archived Jun 24, 1980 -
Jun 25, 1979 Jun 24, 1980 MR No Yes - 2 mg/L - Archived Jun 24, 1980 -
Jun 25, 1979 Jun 24, 1980 MR No Yes - 4.0 mg/L - Archived Jun 24, 1980 -

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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