ALGONQUIN

Illinois — Community Water System — PWSID: IL1110050

System Information

PWSIDIL1110050
System NameALGONQUIN
System TypeCommunity Water System
Water SourceGround Water
Activity StatusActive
Owner TypeLocal
EPA Region05
Serves SchoolNo
WholesalerNo
First ReportedFeb 13, 1981
Last ReportedFeb 26, 2026

Location & Contact

StateIllinois
CityALGONQUIN
ZIP Code60102
Address110 Mitchard Way
OrganizationBADRAN, NADIM
Phone847-658-2700

Population & Service

Population Served30,700
Service Connections11,904

Drinking Water Violations (83)

This water system has 83 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
Aug 16, 2007 Other No No Resolved Aug 21, 2007
Aug 16, 2007 Other No No Resolved Aug 21, 2007
Aug 1, 2006 Aug 31, 2006 MCL Yes No 5% of samples Resolved Aug 31, 2006
Aug 1, 2006 Aug 31, 2006 MCL Yes No 5% of samples Resolved Aug 31, 2006
Aug 1, 2006 Aug 31, 2006 MCL Yes No 5% of samples Resolved Aug 31, 2006
Aug 1, 2006 Aug 31, 2006 MCL Yes No 5% of samples Resolved Aug 31, 2006
Jul 1, 2006 Sep 30, 2006 MR No No 4.0 mg/L Resolved Aug 21, 2006
Jul 1, 2006 Jul 31, 2006 MR No No 5% of samples Resolved Jul 31, 2006
Jul 1, 2006 Jul 31, 2006 MR No No 5% of samples Resolved Jul 31, 2006
Jul 1, 2006 Jul 31, 2006 MR No No 5% of samples Resolved Jul 31, 2006
Jul 1, 2006 Jul 31, 2006 MR No No 5% of samples Resolved Jul 31, 2006
Jul 1, 2006 Sep 30, 2006 MR No No 4.0 mg/L Resolved Aug 21, 2006
Jul 1, 2006 Sep 30, 2006 MR No No 4.0 mg/L Resolved Aug 21, 2006
Jul 1, 2006 Sep 30, 2006 MR No No 4.0 mg/L Resolved Aug 21, 2006
Oct 1, 1999 Dec 31, 1999 MR No No TT Resolved Dec 31, 1999
Apr 1, 1999 Jun 30, 1999 MR No No TT Resolved Jun 30, 1999
Jan 1, 1999 Mar 31, 1999 MR No No TT Resolved Mar 31, 1999
Jan 1, 1999 MR No No TT Resolved Jun 30, 1999
Nov 1, 1998 Nov 30, 1998 MR No No 5% of samples Archived Nov 30, 1998
Nov 1, 1998 Nov 30, 1998 MR No No 5% of samples Archived Nov 30, 1998
Oct 1, 1998 Dec 31, 1998 MR No No TT Resolved Dec 31, 1998
Jul 1, 1998 Sep 30, 1998 MR No No TT Resolved Sep 30, 1998
Apr 1, 1998 Apr 30, 1998 MR No No 5% of samples Archived Apr 30, 1998
Apr 1, 1998 Apr 30, 1998 MR No No 5% of samples Archived Apr 30, 1998
Oct 1, 1994 Oct 31, 1994 MR No No 5% of samples Archived Oct 31, 1994
Oct 1, 1994 Oct 31, 1994 MR No No 5% of samples Archived Oct 31, 1994
Sep 2, 1993 TT Yes No TT Resolved Dec 12, 1994
Jul 1, 1993 TT Yes No TT Resolved Nov 1, 1994
Jul 1, 1993 TT Yes No TT Resolved Nov 1, 1994
Jul 1, 1993 TT Yes No TT Resolved Nov 1, 1994
Jul 1, 1993 TT Yes No TT Resolved Nov 1, 1994
Jul 1, 1993 TT Yes No TT Resolved Nov 1, 1994
Oct 1, 1992 MR No No TT Resolved Jun 28, 1993
Jun 1, 1992 Jun 30, 1992 MR No No 5% of samples Archived Jun 30, 1992
Jun 1, 1992 Jun 30, 1992 MR No No 5% of samples Archived Jun 30, 1992
Apr 1, 1992 Sep 30, 1992 MR No No TT Resolved Sep 30, 1992
Jun 1, 1986 May 31, 1989 MCL Yes No 7.7 2 mg/L Resolved Jun 22, 1987
Jun 1, 1986 May 31, 1989 MCL Yes No 7.7 2 mg/L Resolved Jun 22, 1987
Jun 1, 1986 May 31, 1989 MCL Yes No 7.7 2 mg/L Resolved Jun 22, 1987
Jun 1, 1986 May 31, 1989 MCL Yes No 7.7 2 mg/L Resolved Jun 22, 1987
Jun 1, 1986 May 31, 1989 MCL Yes No 7.7 2 mg/L Resolved Jun 22, 1987
Jun 1, 1986 May 31, 1989 MCL Yes No 7.7 2 mg/L Resolved Jun 22, 1987
Jun 1, 1986 May 31, 1989 MCL Yes No 7.7 2 mg/L Resolved Jun 22, 1987
Jun 1, 1983 May 31, 1986 MCL Yes No 7.7 2 mg/L Archived May 31, 1986
Jun 1, 1983 May 31, 1986 MCL Yes No 7.7 2 mg/L Archived May 31, 1986
Jun 1, 1983 May 31, 1986 MCL Yes No 7.7 2 mg/L Archived May 31, 1986
Jun 1, 1983 May 31, 1986 MCL Yes No 7.7 2 mg/L Archived May 31, 1986
Jun 1, 1983 May 31, 1986 MCL Yes No 7.7 2 mg/L Archived May 31, 1986
Jun 1, 1983 May 31, 1986 MCL Yes No 7.7 2 mg/L Archived May 31, 1986
Jun 1, 1980 May 31, 1983 MCL Yes No 7.7 2 mg/L Archived May 31, 1983

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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