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MOUNT OLIVE

Illinois — Community Water System — PWSID: IL1170700

System Information

PWSIDIL1170700
System NameMOUNT OLIVE
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
CityAVISTON
ZIP Code62216
AddressCERTOP INC
OrganizationHORSTMANN, CHRISTOPHER L.
Phone618-973-0633

Population & Service

Population Served2,193
Service Connections1,034

Drinking Water Violations (263)

This water system has 263 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 12, 2025 — Public Notice Other No No — — — Unaddressed — Public Notice Rule and Revised PN Rule
Jul 1, 2025 — Consumer Confidence Rule Other No No — — — Resolved Aug 12, 2025 Consumer Confidence Rule
Jul 1, 2025 — Consumer Confidence Rule Other No No — — — Resolved Aug 12, 2025 Consumer Confidence Rule
Apr 1, 2025 — Lead and Copper Rule MR No No — TT — Unaddressed — Lead and Copper Rule
Jul 1, 2024 — Lead and Copper Rule MR No No — TT — Resolved Nov 20, 2024 Lead and Copper Rule
Jul 1, 2024 — Lead and Copper Rule MR No No — TT — Resolved Nov 20, 2024 Lead and Copper Rule
Jul 1, 2024 — Lead and Copper Rule MR No No — TT — Resolved Nov 20, 2024 Lead and Copper Rule
Jan 1, 2024 Mar 31, 2024 Chloramine MR No Yes — 4.0 mg/L — Resolved Feb 23, 2024 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2024 Mar 31, 2024 Chloramine MR No Yes — 4.0 mg/L — Resolved Feb 23, 2024 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2024 Mar 31, 2024 Chloramine MR No Yes — 4.0 mg/L — Resolved Feb 23, 2024 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2024 Jan 31, 2024 Revised Total Coliform Rule MON No No — — — Resolved Jan 31, 2024 Revised Total Coliform Rule
Jan 1, 2024 Mar 31, 2024 Chloramine MR No Yes — 4.0 mg/L — Resolved Feb 23, 2024 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2024 Jan 31, 2024 Revised Total Coliform Rule MON No No — — — Resolved Jan 31, 2024 Revised Total Coliform Rule
Jan 1, 2024 Jan 31, 2024 Revised Total Coliform Rule MON No No — — — Resolved Jan 31, 2024 Revised Total Coliform Rule
Jan 1, 2024 Jan 31, 2024 Revised Total Coliform Rule MON No No — — — Resolved Jan 31, 2024 Revised Total Coliform Rule
Jul 1, 2023 — Lead and Copper Rule MR No No — TT — Resolved Feb 23, 2024 Lead and Copper Rule
Jul 1, 2023 — Lead and Copper Rule MR No No — TT — Resolved Feb 23, 2024 Lead and Copper Rule
Jul 1, 2023 — Consumer Confidence Rule Other No No — — — Resolved Jul 18, 2023 Consumer Confidence Rule
Jul 1, 2023 — Lead and Copper Rule MR No No — TT — Resolved Feb 23, 2024 Lead and Copper Rule
Jul 1, 2023 — Consumer Confidence Rule Other No No — — — Resolved Jul 11, 2024 Consumer Confidence Rule
Jul 1, 2023 — Consumer Confidence Rule Other No No — — — Resolved Jul 18, 2023 Consumer Confidence Rule
Jul 1, 2023 — Consumer Confidence Rule Other No No — — — Resolved Jul 11, 2024 Consumer Confidence Rule
Jul 1, 2023 — Lead and Copper Rule MR No No — TT — Resolved Feb 23, 2024 Lead and Copper Rule
Nov 30, 2022 — Lead and Copper Rule MR No No — TT — Resolved Jan 31, 2023 Lead and Copper Rule
Nov 30, 2022 — Lead and Copper Rule MR No No — TT — Resolved Jan 31, 2023 Lead and Copper Rule
Jun 1, 2008 Jun 30, 2008 Surface Water Treatment Rule TT Yes No — — — Resolved Jun 27, 2008 Surface Water Treatment Rule
Jun 1, 2008 Jun 30, 2008 Surface Water Treatment Rule TT Yes No — — — Resolved Jun 27, 2008 Surface Water Treatment Rule
Jun 1, 2008 Jun 30, 2008 Surface Water Treatment Rule TT Yes No — — — Resolved Jun 27, 2008 Surface Water Treatment Rule
Jun 1, 2008 Jun 30, 2008 Surface Water Treatment Rule TT Yes No — — — Resolved Jun 27, 2008 Surface Water Treatment Rule
Jun 1, 2008 Jun 30, 2008 Surface Water Treatment Rule TT Yes No — — — Resolved Jun 27, 2008 Surface Water Treatment Rule
Jun 1, 2008 Jun 30, 2008 Surface Water Treatment Rule TT Yes No — — — Resolved Jun 27, 2008 Surface Water Treatment Rule
May 1, 2008 May 31, 2008 Surface Water Treatment Rule TT Yes No — — — Resolved May 31, 2008 Surface Water Treatment Rule
May 1, 2008 May 31, 2008 Surface Water Treatment Rule TT Yes No — — — Resolved May 31, 2008 Surface Water Treatment Rule
May 1, 2008 May 31, 2008 Surface Water Treatment Rule TT Yes No — — — Resolved May 31, 2008 Surface Water Treatment Rule
May 1, 2008 May 31, 2008 Surface Water Treatment Rule TT Yes No — — — Resolved May 31, 2008 Surface Water Treatment Rule
May 1, 2008 May 31, 2008 Surface Water Treatment Rule TT Yes No — — — Resolved May 31, 2008 Surface Water Treatment Rule
May 1, 2008 May 31, 2008 Surface Water Treatment Rule TT Yes No — — — Resolved May 31, 2008 Surface Water Treatment Rule
Apr 1, 2008 Apr 30, 2008 Surface Water Treatment Rule TT Yes No — — — Resolved Apr 30, 2008 Surface Water Treatment Rule
Apr 1, 2008 Apr 30, 2008 Surface Water Treatment Rule TT Yes No — — — Resolved Apr 30, 2008 Surface Water Treatment Rule
Apr 1, 2008 Apr 30, 2008 Surface Water Treatment Rule TT Yes No — — — Resolved Apr 30, 2008 Surface Water Treatment Rule
Apr 1, 2008 Apr 30, 2008 Surface Water Treatment Rule TT Yes No — — — Resolved Apr 30, 2008 Surface Water Treatment Rule
Apr 1, 2008 Apr 30, 2008 Surface Water Treatment Rule TT Yes No — — — Resolved Apr 30, 2008 Surface Water Treatment Rule
Apr 1, 2008 Apr 30, 2008 Surface Water Treatment Rule TT Yes No — — — Resolved Apr 30, 2008 Surface Water Treatment Rule
Mar 1, 2008 Mar 31, 2008 Surface Water Treatment Rule TT Yes No — — — Resolved Mar 31, 2008 Surface Water Treatment Rule
Mar 1, 2008 Mar 31, 2008 Surface Water Treatment Rule TT Yes No — — — Resolved Mar 31, 2008 Surface Water Treatment Rule
Mar 1, 2008 Mar 31, 2008 Surface Water Treatment Rule TT Yes No — — — Resolved Mar 31, 2008 Surface Water Treatment Rule
Mar 1, 2008 Mar 31, 2008 Surface Water Treatment Rule TT Yes No — — — Resolved Mar 31, 2008 Surface Water Treatment Rule
Mar 1, 2008 Mar 31, 2008 Surface Water Treatment Rule TT Yes No — — — Resolved Mar 31, 2008 Surface Water Treatment Rule
Mar 1, 2008 Mar 31, 2008 Surface Water Treatment Rule TT Yes No — — — Resolved Mar 31, 2008 Surface Water Treatment Rule
Feb 1, 2008 Feb 29, 2008 Surface Water Treatment Rule TT Yes No — — — Resolved Feb 29, 2008 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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