GENOA

Illinois — Community Water System — PWSID: IL0370150

System Information

PWSIDIL0370150
System NameGENOA
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
CityGENOA
ZIP Code60135
Address333 E First St
OrganizationSMITH, LUCAS
Phone815-784-7131

Population & Service

Population Served5,298
Service Connections2,060

Drinking Water Violations (66)

This water system has 66 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 Sep 30, 2025 MR No Yes 1 mg/L Archived Sep 30, 2025
Oct 1, 1995 Dec 31, 1995 MR No Yes 2 mg/L Resolved Dec 31, 1995
Oct 1, 1995 Dec 31, 1995 MR No Yes 2 mg/L Resolved Dec 31, 1995
Oct 1, 1995 Dec 31, 1995 MR No Yes 2 mg/L Resolved Dec 31, 1995
May 1, 1994 Jul 31, 1994 MR No Yes 5 pCi/L Resolved Jul 31, 1994
May 1, 1994 Jul 31, 1994 MR No Yes 5 pCi/L Resolved Jul 31, 1994
May 1, 1994 Jul 31, 1994 MR No Yes 5 pCi/L Resolved Jul 31, 1994
May 1, 1994 Jul 31, 1994 MR No Yes 5 pCi/L Resolved Jul 31, 1994
May 1, 1994 Jul 31, 1994 MR No Yes 5 pCi/L Resolved Jul 31, 1994
May 1, 1994 Jul 31, 1994 MR No Yes 15 pCi/L Resolved Jul 31, 1994
May 1, 1994 Jul 31, 1994 MR No Yes 15 pCi/L Resolved Jul 31, 1994
May 1, 1994 Jul 31, 1994 MR No Yes 15 pCi/L Resolved Jul 31, 1994
May 1, 1994 Jul 31, 1994 MR No Yes 15 pCi/L Resolved Jul 31, 1994
May 1, 1994 Jul 31, 1994 MR No Yes 15 pCi/L Resolved Jul 31, 1994
Feb 1, 1994 Apr 30, 1994 MR No Yes 15 pCi/L Resolved Apr 30, 1994
Feb 1, 1994 Apr 30, 1994 MR No Yes 5 pCi/L Resolved Apr 30, 1994
Nov 1, 1993 Nov 30, 1993 MR No No 5% of samples Resolved Nov 30, 1993
Nov 1, 1993 Nov 30, 1993 MR No No 5% of samples Resolved Nov 30, 1993
Nov 1, 1993 Nov 30, 1993 MR No No 5% of samples Resolved Nov 30, 1993
Nov 1, 1993 Nov 30, 1993 MR No No 5% of samples Resolved Nov 30, 1993
Nov 1, 1993 Nov 30, 1993 MR No No 5% of samples Resolved Nov 30, 1993
Nov 1, 1993 Nov 30, 1993 MR No No 5% of samples Resolved Nov 30, 1993
Nov 1, 1993 Nov 30, 1993 MR No No 5% of samples Resolved Nov 30, 1993
Dec 7, 1990 Dec 6, 1993 MCL Yes No 1800 2 mg/L Resolved Apr 18, 1991
Dec 7, 1990 Dec 6, 1993 MCL Yes No 1800 2 mg/L Resolved Apr 18, 1991
Oct 1, 1989 Sep 30, 1993 MCL Yes No 6.9 5 pCi/L Resolved Jun 26, 1992
Oct 1, 1989 Sep 30, 1993 MCL Yes No 6.9 5 pCi/L Resolved Jun 26, 1992
Oct 1, 1989 Sep 30, 1993 MCL Yes No 6.9 5 pCi/L Resolved Jun 26, 1992
Oct 1, 1989 Sep 30, 1993 MCL Yes No 6.9 5 pCi/L Resolved Jun 26, 1992
Oct 1, 1989 Sep 30, 1993 MCL Yes No 6.9 5 pCi/L Resolved Jun 26, 1992
Oct 1, 1989 Sep 30, 1993 MCL Yes No 6.9 5 pCi/L Resolved Jun 26, 1992
Oct 1, 1989 Sep 30, 1993 MCL Yes No 6.9 5 pCi/L Resolved Jun 26, 1992
Oct 1, 1989 Sep 30, 1993 MCL Yes No 6.9 5 pCi/L Resolved Jun 26, 1992
Oct 1, 1989 Sep 30, 1993 MCL Yes No 6.9 5 pCi/L Resolved Jun 26, 1992
Oct 1, 1989 Sep 30, 1993 MCL Yes No 6.9 5 pCi/L Resolved Jun 26, 1992
Oct 1, 1989 Sep 30, 1993 MCL Yes No 6.9 5 pCi/L Resolved Jun 26, 1992
Oct 1, 1989 Sep 30, 1993 MCL Yes No 6.9 5 pCi/L Resolved Jun 26, 1992
Oct 1, 1989 Sep 30, 1993 MCL Yes No 6.9 5 pCi/L Resolved Jun 26, 1992
Oct 1, 1989 Sep 30, 1993 MCL Yes No 6.9 5 pCi/L Resolved Jun 26, 1992
Oct 1, 1989 Sep 30, 1993 MCL Yes No 6.9 5 pCi/L Resolved Jun 26, 1992
Dec 8, 1987 Dec 7, 1990 MCL Yes No 1529 2 mg/L Resolved Nov 18, 1988
Dec 8, 1987 Dec 7, 1990 MCL Yes No 1529 2 mg/L Resolved Nov 18, 1988
Dec 8, 1987 Dec 7, 1990 MCL Yes No 1529 2 mg/L Resolved Nov 18, 1988
Dec 8, 1987 Dec 7, 1990 MCL Yes No 1529 2 mg/L Resolved Nov 18, 1988
Dec 8, 1987 Dec 7, 1990 MCL Yes No 1529 2 mg/L Resolved Nov 18, 1988
Oct 4, 1985 Oct 3, 1989 MCL Yes No 6.9 5 pCi/L Resolved Oct 3, 1989
Oct 4, 1985 Oct 3, 1989 MCL Yes No 6.9 5 pCi/L Resolved Oct 3, 1989
Oct 4, 1985 Oct 3, 1989 MCL Yes No 6.9 5 pCi/L Resolved Oct 3, 1989
Oct 4, 1985 Oct 3, 1989 MCL Yes No 6.9 5 pCi/L Resolved Oct 3, 1989
Oct 4, 1985 Oct 3, 1989 MCL Yes No 6.9 5 pCi/L Resolved Oct 3, 1989

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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