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WILMINGTON

Illinois — Community Water System — PWSID: IL1971100

System Information

PWSIDIL1971100
System NameWILMINGTON
System TypeCommunity Water System
Water SourceSurface Water
Activity StatusActive
Owner TypeLocal
EPA Region05
Serves SchoolNo
WholesalerNo
First ReportedFeb 13, 1981
Last ReportedDec 4, 2025

Location & Contact

StateIllinois
CityWILMINGTON
ZIP Code60481
Address1165 S. WATER ST
OrganizationGRETENCORD, JAMES
Phone815-476-3104

Population & Service

Population Served5,624
Service Connections2,361

Drinking Water Violations (288)

This water system has 288 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 2, 2025 — LEAD AND COPPER RULE REVISIONS RPT No No — — — Unaddressed — Lead and Copper Rule Revisions
Jul 2, 2025 — LEAD AND COPPER RULE REVISIONS RPT No No — — — Unaddressed — Lead and Copper Rule Revisions
Feb 1, 2025 Feb 28, 2025 Revised Total Coliform Rule MON No No — — — Resolved Feb 28, 2025 Revised Total Coliform Rule
Feb 1, 2025 Feb 28, 2025 Chloramine MR No Yes — 4.0 mg/L — Resolved Feb 28, 2025 Stage 1 Disinfectants and Disinfection Byproducts Rule
Feb 1, 2025 Feb 28, 2025 Chloramine MR No Yes — 4.0 mg/L — Resolved Feb 28, 2025 Stage 1 Disinfectants and Disinfection Byproducts Rule
Feb 1, 2025 Feb 28, 2025 Revised Total Coliform Rule MON No No — — — Resolved Feb 28, 2025 Revised Total Coliform Rule
Feb 1, 2025 Feb 28, 2025 Revised Total Coliform Rule MON No No — — — Resolved Feb 28, 2025 Revised Total Coliform Rule
Feb 1, 2025 Feb 28, 2025 Revised Total Coliform Rule MON No No — — — Resolved Feb 28, 2025 Revised Total Coliform Rule
Feb 1, 2025 Feb 28, 2025 Chloramine MR No Yes — 4.0 mg/L — Resolved Feb 28, 2025 Stage 1 Disinfectants and Disinfection Byproducts Rule
Feb 1, 2025 Feb 28, 2025 Chloramine MR No Yes — 4.0 mg/L — Resolved Feb 28, 2025 Stage 1 Disinfectants and Disinfection Byproducts Rule
Feb 1, 2024 Feb 29, 2024 Interim Enhanced Surface Water Treatment Rule MR No No — — — Resolved Feb 29, 2024 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Feb 1, 2024 Feb 29, 2024 Interim Enhanced Surface Water Treatment Rule MR No No — — — Resolved Feb 29, 2024 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Feb 1, 2024 Feb 29, 2024 Interim Enhanced Surface Water Treatment Rule MR No No — — — Resolved Feb 29, 2024 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Feb 1, 2024 Feb 29, 2024 Interim Enhanced Surface Water Treatment Rule MR No No — — — Resolved Feb 29, 2024 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Jan 1, 2024 Jan 31, 2024 Interim Enhanced Surface Water Treatment Rule MR No No — — — Resolved Jan 31, 2024 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Jan 1, 2024 Jan 31, 2024 Interim Enhanced Surface Water Treatment Rule MR No No — — — Resolved Jan 31, 2024 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Jan 1, 2024 Jan 31, 2024 Surface Water Treatment Rule MR No Yes — — — Resolved Jan 31, 2024 Surface Water Treatment Rule
Jan 1, 2024 Jan 31, 2024 Surface Water Treatment Rule MR No Yes — — — Resolved Jan 31, 2024 Surface Water Treatment Rule
Jan 1, 2024 Jan 31, 2024 Surface Water Treatment Rule MR No Yes — — — Resolved Jan 31, 2024 Surface Water Treatment Rule
Jan 1, 2024 Jan 31, 2024 Surface Water Treatment Rule MR No Yes — — — Resolved Jan 31, 2024 Surface Water Treatment Rule
Jan 1, 2024 Jan 31, 2024 Interim Enhanced Surface Water Treatment Rule MR No No — — — Resolved Jan 31, 2024 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Jan 1, 2024 Jan 31, 2024 Interim Enhanced Surface Water Treatment Rule MR No No — — — Resolved Jan 31, 2024 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Jul 10, 2023 — Consumer Confidence Rule Other No No — — — Resolved May 15, 2024 Consumer Confidence Rule
Jul 10, 2023 — Consumer Confidence Rule Other No No — — — Resolved May 15, 2024 Consumer Confidence Rule
Apr 1, 2023 Jun 30, 2023 TTHM MR No Yes — 0.080 mg/L — Resolved Jun 30, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2023 Jun 30, 2023 TTHM MR No Yes — 0.080 mg/L — Resolved Jun 30, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2023 Jun 30, 2023 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Jun 30, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2023 Jun 30, 2023 TTHM MR No Yes — 0.080 mg/L — Resolved Jun 30, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2023 Jun 30, 2023 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Jun 30, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2023 Jun 30, 2023 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Jun 30, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2023 Jun 30, 2023 TTHM MR No Yes — 0.080 mg/L — Resolved Jun 30, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2023 Jun 30, 2023 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Jun 30, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Dec 30, 2022 — Lead and Copper Rule MR No No — TT — Resolved Jan 5, 2023 Lead and Copper Rule
Dec 30, 2022 — Lead and Copper Rule MR No No — TT — Resolved Jan 5, 2023 Lead and Copper Rule
Jan 1, 2022 Mar 31, 2022 CARBON, TOTAL MR No Yes — TT — Resolved Mar 31, 2022 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2022 Mar 31, 2022 CARBON, TOTAL MR No Yes — TT — Resolved Mar 31, 2022 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2022 Mar 31, 2022 CARBON, TOTAL MR No Yes — TT — Resolved Mar 31, 2022 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2022 Mar 31, 2022 CARBON, TOTAL MR No Yes — TT — Resolved Mar 31, 2022 Stage 1 Disinfectants and Disinfection Byproducts Rule
Feb 1, 2016 Feb 29, 2016 Interim Enhanced Surface Water Treatment Rule MR No No — — — Resolved Feb 29, 2016 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Feb 1, 2016 Feb 29, 2016 Interim Enhanced Surface Water Treatment Rule MR No No — — — Resolved Feb 29, 2016 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Feb 1, 2016 Feb 29, 2016 Interim Enhanced Surface Water Treatment Rule MR No No — — — Resolved Feb 29, 2016 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Feb 1, 2016 Feb 29, 2016 Interim Enhanced Surface Water Treatment Rule MR No No — — — Resolved Feb 29, 2016 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Jan 1, 2016 Jan 31, 2016 Interim Enhanced Surface Water Treatment Rule MR No No — — — Resolved Jan 31, 2016 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Jan 1, 2016 Jan 31, 2016 Interim Enhanced Surface Water Treatment Rule MR No No — — — Resolved Jan 31, 2016 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Jan 1, 2016 Jan 31, 2016 Interim Enhanced Surface Water Treatment Rule MR No No — — — Resolved Jan 31, 2016 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Jan 1, 2016 Jan 31, 2016 Interim Enhanced Surface Water Treatment Rule MR No No — — — Resolved Jan 31, 2016 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Aug 1, 2007 Aug 31, 2007 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Resolved Aug 31, 2007 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Aug 1, 2007 Aug 31, 2007 Coliform (TCR) MR No No — 5% of samples — Resolved Aug 31, 2007 Total Coliform Rule
Aug 1, 2007 Aug 31, 2007 Surface Water Treatment Rule MR No Yes — — — Resolved Aug 31, 2007 Surface Water Treatment Rule
Aug 1, 2007 Aug 31, 2007 Coliform (TCR) MR No No — 5% of samples — Resolved Aug 31, 2007 Total Coliform 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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