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HARRY OS

Indiana — Transient Non-Community — PWSID: IN2450825

System Information

PWSIDIN2450825
System NameHARRY OS
System TypeTransient Non-Community
Water SourceGround Water
Activity StatusActive
Owner TypePrivate
EPA Region05
Serves SchoolNo
WholesalerNo
First ReportedMay 8, 1992
Last ReportedNov 14, 2025

Location & Contact

StateIndiana
CityCEDAR LAKE
ZIP Code46303
AddressP.O. Box 286
OrganizationJAIMES, TOMAS
Phone219-374-3403

Population & Service

Population Served220
Service Connections1

Drinking Water Violations (42)

This water system has 42 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
Sep 1, 2024 Sep 30, 2024 Revised Total Coliform Rule MON No Yes — — — Resolved Sep 30, 2024 Revised Total Coliform Rule
Jan 1, 2024 Jan 31, 2024 Revised Total Coliform Rule MON No Yes — — — Resolved Jan 31, 2024 Revised Total Coliform Rule
Jan 1, 2024 Jan 31, 2024 Revised Total Coliform Rule MON No Yes — — — Resolved Jan 31, 2024 Revised Total Coliform Rule
Jan 1, 2024 Jan 31, 2024 Revised Total Coliform Rule MON No Yes — — — Resolved Jan 31, 2024 Revised Total Coliform Rule
Dec 1, 2023 Dec 31, 2023 Revised Total Coliform Rule MON No Yes — — — Resolved Dec 31, 2023 Revised Total Coliform Rule
Dec 1, 2023 Dec 31, 2023 Revised Total Coliform Rule MON No Yes — — — Resolved Dec 31, 2023 Revised Total Coliform Rule
Dec 1, 2023 Dec 31, 2023 Revised Total Coliform Rule MON No Yes — — — Resolved Dec 31, 2023 Revised Total Coliform Rule
Oct 1, 2023 Oct 31, 2023 Revised Total Coliform Rule MON No Yes — — — Resolved Oct 31, 2023 Revised Total Coliform Rule
Oct 1, 2023 Oct 31, 2023 Revised Total Coliform Rule MON No Yes — — — Resolved Oct 31, 2023 Revised Total Coliform Rule
Oct 1, 2023 Oct 31, 2023 Revised Total Coliform Rule MON No Yes — — — Resolved Oct 31, 2023 Revised Total Coliform Rule
Apr 1, 2023 Apr 30, 2023 Revised Total Coliform Rule MON No Yes — — — Resolved Apr 30, 2023 Revised Total Coliform Rule
Jan 1, 2023 Jan 31, 2023 Revised Total Coliform Rule MON No Yes — — — Resolved Jan 31, 2023 Revised Total Coliform Rule
Jan 1, 2023 Jan 31, 2023 Revised Total Coliform Rule MON No Yes — — — Resolved Jan 31, 2023 Revised Total Coliform Rule
Jan 1, 2023 Jan 31, 2023 Revised Total Coliform Rule MON No Yes — — — Resolved Jan 31, 2023 Revised Total Coliform Rule
Jan 1, 2023 Jan 31, 2023 Revised Total Coliform Rule MON No Yes — — — Resolved Jan 31, 2023 Revised Total Coliform Rule
Jan 1, 2022 Jan 31, 2022 Revised Total Coliform Rule MON No Yes — — — Resolved Jan 31, 2022 Revised Total Coliform Rule
Nov 1, 2021 Nov 30, 2021 Revised Total Coliform Rule MON No Yes — — — Resolved Nov 30, 2021 Revised Total Coliform Rule
Nov 1, 2021 Nov 30, 2021 Revised Total Coliform Rule MON No Yes — — — Resolved Nov 30, 2021 Revised Total Coliform Rule
Nov 1, 2021 Nov 30, 2021 Revised Total Coliform Rule MON No Yes — — — Resolved Nov 30, 2021 Revised Total Coliform Rule
Oct 1, 2021 Oct 31, 2021 Revised Total Coliform Rule MON No Yes — — — Resolved Oct 31, 2021 Revised Total Coliform Rule
Oct 1, 2021 Oct 31, 2021 Revised Total Coliform Rule MON No Yes — — — Resolved Oct 31, 2021 Revised Total Coliform Rule
Aug 20, 2021 — Revised Total Coliform Rule TT Yes No — — — Resolved May 28, 2024 Revised Total Coliform Rule
Aug 20, 2021 — Revised Total Coliform Rule TT Yes No — — — Resolved May 28, 2024 Revised Total Coliform Rule
Aug 20, 2021 — Revised Total Coliform Rule TT Yes No — — — Resolved May 28, 2024 Revised Total Coliform Rule
Aug 20, 2021 — Revised Total Coliform Rule TT Yes No — — — Resolved May 28, 2024 Revised Total Coliform Rule
Aug 20, 2021 — Revised Total Coliform Rule TT Yes No — — — Resolved May 28, 2024 Revised Total Coliform Rule
Aug 20, 2021 — Revised Total Coliform Rule TT Yes No — — — Resolved May 28, 2024 Revised Total Coliform Rule
Jul 13, 2021 — E. COLI MR No Yes — — — Resolved Oct 22, 2022 Ground Water Rule
Jul 13, 2021 — E. COLI MR No Yes — — — Resolved Oct 22, 2022 Ground Water Rule
Jul 13, 2021 — E. COLI MR No Yes — — — Resolved Oct 22, 2022 Ground Water Rule
Jul 13, 2021 — E. COLI MR No Yes — — — Resolved Oct 22, 2022 Ground Water Rule
Jul 1, 2021 Jul 31, 2021 Revised Total Coliform Rule MON No Yes — — — Resolved Jul 31, 2021 Revised Total Coliform Rule
Jul 1, 2021 Jul 31, 2021 Revised Total Coliform Rule MON No Yes — — — Resolved Jul 31, 2021 Revised Total Coliform Rule
Jul 1, 2021 Jul 31, 2021 Revised Total Coliform Rule MON No Yes — — — Resolved Jul 31, 2021 Revised Total Coliform Rule
Jul 1, 2021 Jul 31, 2021 Revised Total Coliform Rule MON No Yes — — — Resolved Jul 31, 2021 Revised Total Coliform Rule
Oct 1, 2013 Dec 31, 2013 Coliform (TCR) MR No No — 5% of samples — Resolved Dec 31, 2013 Total Coliform Rule
Apr 1, 2001 Jun 30, 2001 Coliform (TCR) MR No No — 5% of samples — Resolved Jun 30, 2001 Total Coliform Rule
Jan 1, 2000 Dec 31, 2000 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2000 Nitrate Rule
Jul 1, 1997 Sep 30, 1997 Coliform (TCR) MR No No — 5% of samples — Resolved Sep 30, 1997 Total Coliform Rule
Apr 1, 1997 Jun 30, 1997 Coliform (TCR) MR No No — 5% of samples — Resolved Jun 30, 1997 Total Coliform Rule
Jan 1, 1997 Dec 31, 1997 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 1997 Nitrate Rule
Jan 1, 1996 Dec 31, 1996 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 1996 Nitrate 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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