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EUREKA

Illinois — Community Water System — PWSID: IL2030200

System Information

PWSIDIL2030200
System NameEUREKA
System TypeCommunity Water System
Water SourceGround Water
Activity StatusActive
Owner TypeLocal
EPA Region05
Serves SchoolNo
WholesalerNo
First ReportedFeb 13, 1981
Last ReportedDec 4, 2025

Location & Contact

StateIllinois
CityEUREKA
ZIP Code61530
Address111 W Court St.
OrganizationBROWN, MELISSA
Phone309-467-2113

Population & Service

Population Served5,216
Service Connections2,278

Drinking Water Violations (121)

This water system has 121 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, 2024 Dec 31, 2024 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Dec 31, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2024 Dec 31, 2024 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Dec 31, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2024 Dec 31, 2024 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Dec 31, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2024 Dec 31, 2024 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Dec 31, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Aug 1, 1998 Aug 31, 1998 Coliform (TCR) MR No No — 5% of samples — Archived Aug 31, 1998 Total Coliform Rule
Aug 1, 1998 Aug 31, 1998 Coliform (TCR) MR No No — 5% of samples — Archived Aug 31, 1998 Total Coliform Rule
Feb 1, 1995 Feb 28, 1995 Surface Water Treatment Rule MR No Yes — — — Archived Feb 28, 1995 Surface Water Treatment Rule
Feb 1, 1995 Feb 28, 1995 Surface Water Treatment Rule MR No Yes — — — Archived Feb 28, 1995 Surface Water Treatment Rule
Feb 1, 1995 Feb 28, 1995 Surface Water Treatment Rule MR No Yes — — — Archived Feb 28, 1995 Surface Water Treatment Rule
Feb 1, 1995 Feb 28, 1995 Surface Water Treatment Rule TT Yes No — — — Archived Feb 28, 1995 Surface Water Treatment Rule
Feb 1, 1995 Feb 28, 1995 Surface Water Treatment Rule TT Yes No — — — Archived Feb 28, 1995 Surface Water Treatment Rule
Feb 1, 1995 Feb 28, 1995 Surface Water Treatment Rule TT Yes No — — — Archived Feb 28, 1995 Surface Water Treatment Rule
Jan 1, 1995 Jan 31, 1995 Surface Water Treatment Rule TT Yes No — — — Archived Jan 31, 1995 Surface Water Treatment Rule
Jan 1, 1995 Jan 31, 1995 Surface Water Treatment Rule TT Yes No — — — Archived Jan 31, 1995 Surface Water Treatment Rule
Jan 1, 1995 Jan 31, 1995 Surface Water Treatment Rule TT Yes No — — — Archived Jan 31, 1995 Surface Water Treatment Rule
Jan 1, 1995 Jan 31, 1995 Surface Water Treatment Rule MR No Yes — — — Archived Jan 31, 1995 Surface Water Treatment Rule
Jan 1, 1995 Jan 31, 1995 Surface Water Treatment Rule MR No Yes — — — Archived Jan 31, 1995 Surface Water Treatment Rule
Jan 1, 1995 Jan 31, 1995 Surface Water Treatment Rule MR No Yes — — — Archived Jan 31, 1995 Surface Water Treatment Rule
Dec 1, 1994 Dec 31, 1994 Surface Water Treatment Rule TT Yes No — — — Archived Dec 31, 1994 Surface Water Treatment Rule
Dec 1, 1994 Dec 31, 1994 Surface Water Treatment Rule TT Yes No — — — Archived Dec 31, 1994 Surface Water Treatment Rule
Dec 1, 1994 Dec 31, 1994 Surface Water Treatment Rule TT Yes No — — — Archived Dec 31, 1994 Surface Water Treatment Rule
Dec 1, 1994 Dec 31, 1994 Surface Water Treatment Rule MR No Yes — — — Archived Dec 31, 1994 Surface Water Treatment Rule
Dec 1, 1994 Dec 31, 1994 Surface Water Treatment Rule MR No Yes — — — Archived Dec 31, 1994 Surface Water Treatment Rule
Dec 1, 1994 Dec 31, 1994 Surface Water Treatment Rule MR No Yes — — — Archived Dec 31, 1994 Surface Water Treatment Rule
Nov 1, 1994 Nov 30, 1994 Surface Water Treatment Rule TT Yes No — — — Archived Nov 30, 1994 Surface Water Treatment Rule
Nov 1, 1994 Nov 30, 1994 Surface Water Treatment Rule TT Yes No — — — Archived Nov 30, 1994 Surface Water Treatment Rule
Nov 1, 1994 Nov 30, 1994 Surface Water Treatment Rule TT Yes No — — — Archived Nov 30, 1994 Surface Water Treatment Rule
Nov 1, 1994 Nov 30, 1994 Surface Water Treatment Rule MR No Yes — — — Archived Nov 30, 1994 Surface Water Treatment Rule
Nov 1, 1994 Nov 30, 1994 Surface Water Treatment Rule MR No Yes — — — Archived Nov 30, 1994 Surface Water Treatment Rule
Nov 1, 1994 Nov 30, 1994 Surface Water Treatment Rule MR No Yes — — — Archived Nov 30, 1994 Surface Water Treatment Rule
Oct 1, 1994 Oct 31, 1994 Surface Water Treatment Rule TT Yes No — — — Archived Oct 31, 1994 Surface Water Treatment Rule
Oct 1, 1994 Oct 31, 1994 Surface Water Treatment Rule MR No Yes — — — Archived Oct 31, 1994 Surface Water Treatment Rule
Sep 1, 1994 Sep 30, 1994 Surface Water Treatment Rule MR No Yes — — — Archived Sep 30, 1994 Surface Water Treatment Rule
Sep 1, 1994 Sep 30, 1994 Surface Water Treatment Rule TT Yes No — — — Archived Sep 30, 1994 Surface Water Treatment Rule
Sep 1, 1994 Sep 30, 1994 Surface Water Treatment Rule TT Yes No — — — Archived Sep 30, 1994 Surface Water Treatment Rule
Sep 1, 1994 Sep 30, 1994 Surface Water Treatment Rule TT Yes No — — — Archived Sep 30, 1994 Surface Water Treatment Rule
Aug 1, 1994 Aug 31, 1994 Surface Water Treatment Rule MR No Yes — — — Archived Aug 31, 1994 Surface Water Treatment Rule
Aug 1, 1994 Aug 31, 1994 Surface Water Treatment Rule TT Yes No — — — Archived Aug 31, 1994 Surface Water Treatment Rule
Aug 1, 1994 Aug 31, 1994 Surface Water Treatment Rule TT Yes No — — — Archived Aug 31, 1994 Surface Water Treatment Rule
Aug 1, 1994 Aug 31, 1994 Surface Water Treatment Rule TT Yes No — — — Archived Aug 31, 1994 Surface Water Treatment Rule
Aug 1, 1994 Aug 31, 1994 Surface Water Treatment Rule TT Yes No — — — Archived Aug 31, 1994 Surface Water Treatment Rule
Aug 1, 1994 Aug 31, 1994 Surface Water Treatment Rule MR No Yes — — — Archived Aug 31, 1994 Surface Water Treatment Rule
Aug 1, 1994 Aug 31, 1994 Surface Water Treatment Rule MR No Yes — — — Archived Aug 31, 1994 Surface Water Treatment Rule
Aug 1, 1994 Aug 31, 1994 Surface Water Treatment Rule MR No Yes — — — Archived Aug 31, 1994 Surface Water Treatment Rule
Jul 1, 1994 Jul 31, 1994 Surface Water Treatment Rule MR No Yes — — — Archived Jul 31, 1994 Surface Water Treatment Rule
Jul 1, 1994 Jul 31, 1994 Surface Water Treatment Rule MR No Yes — — — Archived Jul 31, 1994 Surface Water Treatment Rule
Jun 1, 1994 Jun 30, 1994 Surface Water Treatment Rule MR No Yes — — — Archived Jun 30, 1994 Surface Water Treatment Rule
Jun 1, 1994 Jun 30, 1994 Surface Water Treatment Rule MR No Yes — — — Archived Jun 30, 1994 Surface Water Treatment Rule
Jun 1, 1994 Jun 30, 1994 Surface Water Treatment Rule MR No Yes — — — Archived Jun 30, 1994 Surface Water Treatment Rule
Jun 1, 1994 Jun 30, 1994 Surface Water Treatment Rule MR No Yes — — — Archived Jun 30, 1994 Surface Water Treatment Rule

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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