THOMASBORO

Illinois — Community Water System — PWSID: IL0190950

System Information

PWSIDIL0190950
System NameTHOMASBORO
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
CityTHOMASBORO
ZIP Code61878
Address101 W. MAIN STREET
OrganizationPOLSKY, CHAD F.
Phone217-643-2675

Population & Service

Population Served1,066
Service Connections500

Drinking Water Violations (41)

This water system has 41 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 Other No No Resolved Sep 26, 2025
Jul 1, 2025 Other No No Resolved Sep 26, 2025
Jan 12, 2025 Other No No Resolved Jun 20, 2024
Jan 12, 2025 Other No No Resolved Jun 20, 2024
Oct 1, 2023 Dec 31, 2023 MR No Yes 0.060 mg/L Resolved Dec 31, 2023
Oct 1, 2023 Dec 31, 2023 MR No Yes 0.060 mg/L Resolved Dec 31, 2023
Oct 1, 2023 Dec 31, 2023 MR No Yes 0.060 mg/L Resolved Dec 31, 2023
Oct 1, 2023 Dec 31, 2023 MR No Yes 0.060 mg/L Resolved Dec 31, 2023
Oct 1, 2023 Dec 31, 2023 MR No Yes 0.080 mg/L Resolved Dec 31, 2023
Oct 1, 2023 Dec 31, 2023 MR No Yes 0.080 mg/L Resolved Dec 31, 2023
Oct 1, 2023 Dec 31, 2023 MR No Yes 0.080 mg/L Resolved Dec 31, 2023
Oct 1, 2023 Dec 31, 2023 MR No Yes 0.080 mg/L Resolved Dec 31, 2023
Sep 29, 2021 MR No No TT Resolved Oct 26, 2021
Sep 29, 2021 MR No No TT Resolved Oct 26, 2021
Dec 30, 2020 MR No No TT Resolved Mar 26, 2021
Dec 30, 2020 MR No No TT Resolved Mar 26, 2021
Jul 1, 2012 Other No No Resolved Jul 20, 2012
Jul 1, 2012 Other No No Resolved Jul 20, 2012
Oct 1, 2011 MR No No TT Resolved Sep 26, 2012
Oct 1, 2011 MR No No TT Resolved Sep 26, 2012
Oct 1, 2011 MR No No TT Resolved Sep 26, 2012
Oct 1, 2011 MR No No TT Resolved Sep 26, 2012
Feb 27, 2005 Other No No Resolved May 11, 2005
Feb 27, 2005 Other No No Resolved May 11, 2005
Feb 27, 2005 Other No No Resolved May 11, 2005
Feb 27, 2005 Other No No Resolved May 11, 2005
Jul 1, 2004 Other No No Resolved May 13, 2005
Jul 1, 2004 Other No No Resolved May 13, 2005
Jul 1, 2003 Dec 31, 2003 MR No No TT Resolved Dec 31, 2003
Jul 1, 2003 Dec 31, 2003 MR No No TT Resolved Dec 31, 2003
Jul 1, 2003 Dec 31, 2003 MR No No TT Resolved Dec 31, 2003
Jul 1, 2001 Dec 31, 2001 MR No No TT Resolved Dec 31, 2001
Jun 1, 2001 Jun 30, 2001 MCL Yes No 5% of samples Archived Jun 30, 2001
Jun 1, 2001 Jun 30, 2001 MCL Yes No 5% of samples Archived Jun 30, 2001
Jul 1, 1996 Jul 31, 1996 MR No No 5% of samples Archived Jul 31, 1996
Jul 1, 1996 Jul 31, 1996 MR No No 5% of samples Archived Jul 31, 1996
Jul 1, 1996 Jul 31, 1996 MR No No 5% of samples Archived Jul 31, 1996
Oct 1, 1995 Oct 31, 1995 MR No No 5% of samples Archived Oct 31, 1995
Oct 1, 1995 Oct 31, 1995 MR No No 5% of samples Archived Oct 31, 1995
Oct 1, 1995 Oct 31, 1995 MR No No 5% of samples Archived Oct 31, 1995
Jun 30, 1977 Jun 29, 1981 MR No No 15 pCi/L Archived Jun 29, 1981

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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