MOUNT ZION

Illinois — Community Water System — PWSID: IL1150350

System Information

PWSIDIL1150350
System NameMOUNT ZION
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
CityMOUNT ZION
ZIP Code62549
Address1400 MOUNT ZION PARKWAY
OrganizationMILLER, JULIE
Phone217-864-5424

Population & Service

Population Served5,833
Service Connections1,930

Drinking Water Violations (153)

This water system has 153 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
Oct 1, 2024 Dec 31, 2024 TTHM MCL Yes No .082 MG/L 0.080 mg/L .08 Resolved Dec 31, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2024 Dec 31, 2024 TTHM MCL Yes No .082 MG/L 0.080 mg/L .08 Resolved Dec 31, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2024 Dec 31, 2024 TTHM MCL Yes No .082 MG/L 0.080 mg/L .08 Resolved Dec 31, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2024 Dec 31, 2024 TTHM MCL Yes No .082 MG/L 0.080 mg/L .08 Resolved Dec 31, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2024 Sep 30, 2024 TTHM MCL Yes No .085 MG/L 0.080 mg/L .08 Resolved Sep 30, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2024 Sep 30, 2024 TTHM MCL Yes No .085 MG/L 0.080 mg/L .08 Resolved Sep 30, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2024 Sep 30, 2024 TTHM MCL Yes No .085 MG/L 0.080 mg/L .08 Resolved Sep 30, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2024 Sep 30, 2024 TTHM MCL Yes No .085 MG/L 0.080 mg/L .08 Resolved Sep 30, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2024 Sep 30, 2024 TTHM MCL Yes No .085 MG/L 0.080 mg/L .08 Resolved Sep 30, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2024 Sep 30, 2024 TTHM MCL Yes No .085 MG/L 0.080 mg/L .08 Resolved Sep 30, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2024 Jun 30, 2024 TTHM MCL Yes No .083 MG/L 0.080 mg/L .08 Resolved Jun 30, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2024 Jun 30, 2024 TTHM MCL Yes No .083 MG/L 0.080 mg/L .08 Resolved Jun 30, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2024 Jun 30, 2024 TTHM MCL Yes No .083 MG/L 0.080 mg/L .08 Resolved Jun 30, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2024 Jun 30, 2024 TTHM MCL Yes No .083 MG/L 0.080 mg/L .08 Resolved Jun 30, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2024 Jun 30, 2024 TTHM MCL Yes No .083 MG/L 0.080 mg/L .08 Resolved Jun 30, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2024 Jun 30, 2024 TTHM MCL Yes No .083 MG/L 0.080 mg/L .08 Resolved Jun 30, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2024 Mar 31, 2024 TTHM MCL Yes No .083 MG/L 0.080 mg/L .08 Resolved Mar 31, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2024 Mar 31, 2024 TTHM MCL Yes No .083 MG/L 0.080 mg/L .08 Resolved Mar 31, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2024 Mar 31, 2024 TTHM MCL Yes No .083 MG/L 0.080 mg/L .08 Resolved Mar 31, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2024 Mar 31, 2024 TTHM MCL Yes No .083 MG/L 0.080 mg/L .08 Resolved Mar 31, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2024 Mar 31, 2024 TTHM MCL Yes No .083 MG/L 0.080 mg/L .08 Resolved Mar 31, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2024 Mar 31, 2024 TTHM MCL Yes No .083 MG/L 0.080 mg/L .08 Resolved Mar 31, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2022 Jun 30, 2022 TTHM MCL Yes No .087 MG/L 0.080 mg/L .08 Resolved Jun 30, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2022 Jun 30, 2022 TTHM MCL Yes No .087 MG/L 0.080 mg/L .08 Resolved Jun 30, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2022 Jun 30, 2022 TTHM MCL Yes No .087 MG/L 0.080 mg/L .08 Resolved Jun 30, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2022 Jun 30, 2022 TTHM MCL Yes No .087 MG/L 0.080 mg/L .08 Resolved Jun 30, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2022 Jun 30, 2022 TTHM MCL Yes No .087 MG/L 0.080 mg/L .08 Resolved Jun 30, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2022 Jun 30, 2022 TTHM MCL Yes No .087 MG/L 0.080 mg/L .08 Resolved Jun 30, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2022 Jun 30, 2022 TTHM MCL Yes No .087 MG/L 0.080 mg/L .08 Resolved Jun 30, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2022 Mar 31, 2022 TTHM MCL Yes No .085 MG/L 0.080 mg/L .08 Resolved Mar 31, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2022 Mar 31, 2022 TTHM MCL Yes No .085 MG/L 0.080 mg/L .08 Resolved Mar 31, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2022 Mar 31, 2022 TTHM MCL Yes No .085 MG/L 0.080 mg/L .08 Resolved Mar 31, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2022 Mar 31, 2022 TTHM MCL Yes No .085 MG/L 0.080 mg/L .08 Resolved Mar 31, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2022 Mar 31, 2022 TTHM MCL Yes No .085 MG/L 0.080 mg/L .08 Resolved Mar 31, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2022 Mar 31, 2022 TTHM MCL Yes No .085 MG/L 0.080 mg/L .08 Resolved Mar 31, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2022 Mar 31, 2022 TTHM MCL Yes No .085 MG/L 0.080 mg/L .08 Resolved Mar 31, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Dec 30, 2021 TTHM MR No No 0.080 mg/L Resolved Feb 10, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Dec 30, 2021 TTHM MR No No 0.080 mg/L Resolved Feb 10, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Dec 30, 2021 TTHM MR No No 0.080 mg/L Resolved Feb 10, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Dec 30, 2021 TTHM MR No No 0.080 mg/L Resolved Feb 10, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Dec 30, 2021 Public Notice Other No No Resolved Jan 4, 2022 Public Notice Rule and Revised PN Rule
Dec 30, 2021 Public Notice Other No No Resolved Jan 4, 2022 Public Notice Rule and Revised PN Rule
Oct 1, 2021 Dec 31, 2021 TTHM MCL Yes No .091 MG/L 0.080 mg/L .08 Resolved Dec 31, 2021 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2021 Dec 31, 2021 TTHM MCL Yes No .091 MG/L 0.080 mg/L .08 Resolved Dec 31, 2021 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2021 Dec 31, 2021 TTHM MCL Yes No .091 MG/L 0.080 mg/L .08 Resolved Dec 31, 2021 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2021 Dec 31, 2021 TTHM MCL Yes No .091 MG/L 0.080 mg/L .08 Resolved Dec 31, 2021 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2021 Dec 31, 2021 TTHM MCL Yes No .091 MG/L 0.080 mg/L .08 Resolved Dec 31, 2021 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2021 Dec 31, 2021 TTHM MCL Yes No .091 MG/L 0.080 mg/L .08 Resolved Dec 31, 2021 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2021 Dec 31, 2021 TTHM MCL Yes No .091 MG/L 0.080 mg/L .08 Resolved Dec 31, 2021 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jun 6, 2021 Lead and Copper Rule TT Yes No TT Resolved Jun 30, 2022 Lead and Copper 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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