KNOLLS WATER COOPERATIVE

Illinois — Community Water System — PWSID: WI2300145

System Information

PWSIDWI2300145
System NameKNOLLS WATER COOPERATIVE
System TypeCommunity Water System
Water SourceGround Water
Activity StatusActive
Owner TypePrivate
EPA Region05
Serves SchoolNo
WholesalerNo
First ReportedJan 28, 1981
Last ReportedMar 2, 2026

Location & Contact

StateIllinois
CityHINSDALE
ZIP Code60521
Address917 CLEVELAND RD
OrganizationSEITH, WILLIAM D - PRESIDENT
Phone

Population & Service

Population Served400
Service Connections293

Drinking Water Violations (39)

This water system has 39 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
Jan 1, 2013 MR No No TT Resolved Jul 12, 2013
Jan 1, 2013 MR No No TT Resolved Jul 12, 2013
Jan 1, 2012 MR No No TT Resolved Aug 26, 2014
Jan 1, 2012 MR No No TT Resolved Aug 26, 2014
Jan 1, 2012 MR No No TT Resolved Aug 26, 2014
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 Jul 31, 2006 MR No No 5% of samples Resolved Jul 31, 2006
Jun 1, 2004 Jun 30, 2004 MR No No 5% of samples Resolved Jun 30, 2004
Jun 1, 2004 Jun 30, 2004 MR No No 5% of samples Resolved Jun 30, 2004
Jun 1, 2004 Jun 30, 2004 MR No No 5% of samples Resolved Jun 30, 2004
Jun 1, 2004 Jun 30, 2004 MR No No 5% of samples Resolved Jun 30, 2004
Oct 1, 2003 Oct 31, 2003 MR No No 5% of samples Resolved Oct 31, 2003
Oct 1, 2003 Oct 31, 2003 MR No No 5% of samples Resolved Oct 31, 2003
Oct 1, 2003 Oct 31, 2003 MR No No 5% of samples Resolved Oct 31, 2003
Oct 1, 2003 Oct 31, 2003 MR No No 5% of samples Resolved Oct 31, 2003
May 1, 2000 May 31, 2000 MR No No 5% of samples Resolved May 31, 2000
May 1, 2000 May 31, 2000 MR No No 5% of samples Resolved May 31, 2000
May 1, 2000 May 31, 2000 MR No No 5% of samples Resolved May 31, 2000
May 1, 2000 May 31, 2000 MR No No 5% of samples Resolved May 31, 2000
Sep 1, 1998 Sep 30, 1998 MR No No 5% of samples Resolved Sep 30, 1998
Sep 1, 1998 Sep 30, 1998 MR No No 5% of samples Resolved Sep 30, 1998
Sep 1, 1998 Sep 30, 1998 MR No No 5% of samples Resolved Sep 30, 1998
Sep 1, 1998 Sep 30, 1998 MR No No 5% of samples Resolved Sep 30, 1998
Jan 1, 1994 Mar 31, 1994 MR No Yes 0.02 mg/L Resolved Feb 28, 1994
Jan 1, 1994 Mar 31, 1994 MR No Yes 0.7 mg/L Resolved Feb 28, 1994
Jan 1, 1994 Mar 31, 1994 MR No Yes 0.02 mg/L Resolved Feb 28, 1994
Jan 1, 1994 Mar 31, 1994 MR No Yes 0.02 mg/L Resolved Feb 28, 1994
Jan 1, 1994 Mar 31, 1994 MR No Yes 0.02 mg/L Resolved Feb 28, 1994
Jan 1, 1994 Mar 31, 1994 MR No Yes 0.1 mg/L Resolved Feb 28, 1994
Jan 1, 1994 Mar 31, 1994 MR No Yes 0.1 mg/L Resolved Feb 28, 1994
Jan 1, 1994 Mar 31, 1994 MR No Yes 0.1 mg/L Resolved Feb 28, 1994
Jan 1, 1994 Mar 31, 1994 MR No Yes 0.1 mg/L Resolved Feb 28, 1994
Jan 1, 1994 Mar 31, 1994 MR No Yes 0.7 mg/L Resolved Feb 28, 1994
Jan 1, 1994 Mar 31, 1994 MR No Yes 0.7 mg/L Resolved Feb 28, 1994
Jan 1, 1994 Mar 31, 1994 MR No Yes 0.7 mg/L Resolved Feb 28, 1994
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.

Browse All Water Systems Water Systems in Illinois