DOWNERS GROVE

Illinois - Community Water System - PWSID: IL0430300

System Information

PWSIDIL0430300
System NameDOWNERS GROVE
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
CityDOWNERS GROVE
ZIP Code60515
Address5101 Walnut Ave.
OrganizationMOODY, DAVID
Phone630-434-5474

Population & Service

Population Served49,425
Service Connections17,735

Drinking Water Violations (36)

This water system has 36 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
Jun 1, 2017 Jun 30, 2017 MON No No - - - Resolved Jun 30, 2017 -
Jun 1, 2017 Jun 30, 2017 MON No No - - - Resolved Jun 30, 2017 -
Jun 1, 2017 Jun 30, 2017 MON No No - - - Resolved Jun 30, 2017 -
Jun 1, 2017 Jun 30, 2017 MON No No - - - Resolved Jun 30, 2017 -
Apr 1, 2017 Jun 30, 2017 MR No No - 4.0 mg/L - Resolved Jun 30, 2017 -
Apr 1, 2017 Jun 30, 2017 MR No No - 4.0 mg/L - Resolved Jun 30, 2017 -
Apr 1, 2017 Jun 30, 2017 MR No No - 4.0 mg/L - Resolved Jun 30, 2017 -
Apr 1, 2017 Jun 30, 2017 MR No No - 4.0 mg/L - Resolved Jun 30, 2017 -
Jul 1, 2013 - Other No No - - - Resolved Jul 3, 2014 -
Jul 1, 2013 - Other No No - - - Resolved Jul 3, 2014 -
Jul 1, 2013 - Other No No - - - Resolved Jul 3, 2014 -
Jul 1, 2013 - Other No No - - - Resolved Jul 3, 2014 -
Jul 1, 2012 - Other No No - - - Resolved Jul 3, 2014 -
Jul 1, 2012 - Other No No - - - Resolved Jul 3, 2014 -
Jul 1, 2012 - Other No No - - - Resolved Jul 3, 2014 -
Jul 1, 2012 - Other No No - - - Resolved Jul 3, 2014 -
Apr 1, 1999 Apr 30, 1999 MCL Yes No - 5% of samples - Archived Apr 30, 1999 -
Apr 1, 1999 Apr 30, 1999 MCL Yes No - 5% of samples - Archived Apr 30, 1999 -
Apr 1, 1999 Apr 30, 1999 MR No No - 5% of samples - Archived Apr 30, 1999 -
Apr 1, 1999 Apr 30, 1999 MR No No - 5% of samples - Archived Apr 30, 1999 -
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 -
Oct 1, 1994 Oct 31, 1994 MR No No - 5% of samples - Archived Oct 31, 1994 -
Aug 1, 1992 Aug 31, 1992 MR No No - 5% of samples - Archived Aug 31, 1992 -
Aug 1, 1992 Aug 31, 1992 MR No No - 5% of samples - Archived Aug 31, 1992 -
May 1, 1992 May 31, 1992 MCL Yes No - 5% of samples - Archived May 31, 1992 -
May 1, 1992 May 31, 1992 MCL Yes No - 5% of samples - Archived May 31, 1992 -
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 - - - - - -

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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