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MATTESON

Illinois — Community Water System — PWSID: IL0311800

System Information

PWSIDIL0311800
System NameMATTESON
System TypeCommunity Water System
Water SourceSurface Water Purchased
Activity StatusActive
Owner TypeLocal
EPA Region05
Serves SchoolNo
WholesalerNo
First ReportedFeb 13, 1981
Last ReportedDec 4, 2025

Location & Contact

StateIllinois
CityMATTESON
ZIP Code60443
Address4900 VILLAGE COMMONS
OrganizationHARDIN, GORDON
Phone708-748-1411

Population & Service

Population Served18,293
Service Connections6,692

Drinking Water Violations (34)

This water system has 34 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
Jul 1, 2025 — Consumer Confidence Rule Other No No — — — Unaddressed — Consumer Confidence Rule
Jul 1, 2025 — Lead and Copper Rule MR No No — TT — Unaddressed — Lead and Copper Rule
Jul 1, 2025 — Lead and Copper Rule MR No No — TT — Unaddressed — Lead and Copper Rule
Oct 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
Oct 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
Oct 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
Oct 1, 2024 Dec 31, 2024 TTHM MR No Yes — 0.080 mg/L — Resolved Dec 31, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2024 Dec 31, 2024 TTHM MR No Yes — 0.080 mg/L — Resolved Dec 31, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2024 Dec 31, 2024 TTHM MR No Yes — 0.080 mg/L — Resolved Dec 31, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Aug 13, 2024 — Public Notice Other No No — — — Resolved Jun 26, 2024 Public Notice Rule and Revised PN Rule
Aug 13, 2024 — Public Notice Other No No — — — Resolved Jun 26, 2024 Public Notice Rule and Revised PN Rule
Aug 13, 2024 — Public Notice Other No No — — — Resolved Jun 26, 2024 Public Notice Rule and Revised PN Rule
Aug 13, 2024 — Public Notice Other No No — — — Resolved Jun 26, 2024 Public Notice Rule and Revised PN Rule
May 1, 2023 May 31, 2023 Revised Total Coliform Rule MON No No — — — Resolved May 31, 2023 Revised Total Coliform Rule
May 1, 2023 May 31, 2023 Revised Total Coliform Rule MON No No — — — Resolved May 31, 2023 Revised Total Coliform Rule
May 1, 2023 May 31, 2023 Revised Total Coliform Rule MON No No — — — Resolved May 31, 2023 Revised Total Coliform Rule
May 1, 2023 May 31, 2023 Revised Total Coliform Rule MON No No — — — Resolved May 31, 2023 Revised Total Coliform Rule
Apr 1, 2023 Jun 30, 2023 Chlorine MR No No — 4.0 mg/L — Resolved Jun 26, 2023 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2023 Jun 30, 2023 Chlorine MR No No — 4.0 mg/L — Resolved Jun 26, 2023 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2023 Jun 30, 2023 Chlorine MR No No — 4.0 mg/L — Resolved Jun 26, 2023 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2023 Jun 30, 2023 Chlorine MR No No — 4.0 mg/L — Resolved Jun 26, 2023 Stage 1 Disinfectants and Disinfection Byproducts Rule
Dec 30, 2020 — Lead and Copper Rule MR No No — TT — Resolved Mar 12, 2021 Lead and Copper Rule
Dec 30, 2020 — Lead and Copper Rule MR No No — TT — Resolved Mar 12, 2021 Lead and Copper Rule
Jul 1, 2019 — Consumer Confidence Rule Other No No — — — Resolved Jul 24, 2019 Consumer Confidence Rule
Jul 1, 2019 — Consumer Confidence Rule Other No No — — — Resolved Jul 24, 2019 Consumer Confidence Rule
Sep 1, 2005 Sep 30, 2005 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Sep 30, 2005 Total Coliform Rule
Sep 1, 2005 Sep 30, 2005 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Sep 30, 2005 Total Coliform Rule
Sep 1, 2005 Sep 30, 2005 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Sep 30, 2005 Total Coliform Rule
Sep 1, 2005 Sep 30, 2005 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Sep 30, 2005 Total Coliform Rule
Nov 1, 1995 Nov 30, 1995 Coliform (TCR) MR No No — 5% of samples — Archived Nov 30, 1995 Total Coliform Rule
Nov 1, 1995 Nov 30, 1995 Coliform (TCR) MR No No — 5% of samples — Archived Nov 30, 1995 Total Coliform Rule
Nov 1, 1995 Nov 30, 1995 Coliform (TCR) MR No No — 5% of samples — Archived Nov 30, 1995 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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