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WESTERN HILLS MH ESTATES

Oregon — Community Water System — PWSID: OR4101172

System Information

PWSIDOR4101172
System NameWESTERN HILLS MH ESTATES
System TypeCommunity Water System
Water SourceGround Water
Activity StatusActive
Owner TypePrivate
EPA Region10
Serves SchoolNo
WholesalerNo
First ReportedJan 28, 1981
Last ReportedDec 23, 2025

Location & Contact

StateOregon
CityRAINIER
ZIP Code97048
AddressPO BOX 151
OrganizationWESTERN HILLS MH ESTATES
Phone503-410-9372

Population & Service

Population Served375
Service Connections109

Drinking Water Violations (144)

This water system has 144 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, 2025 Sep 30, 2025 Groundwater Rule MR No Yes — — — Archived Sep 30, 2025 Ground Water Rule
Jun 1, 2025 Jun 30, 2025 Groundwater Rule MR No Yes — — — Archived Jun 30, 2025 Ground Water Rule
Dec 6, 2024 — Public Notice Other No No — — — Resolved Mar 10, 2025 Public Notice Rule and Revised PN Rule
Oct 1, 2024 — Consumer Confidence Rule Other No No — — — Resolved Nov 14, 2024 Consumer Confidence Rule
Sep 1, 2024 Sep 30, 2024 Groundwater Rule TT Yes No — — — Resolved Sep 30, 2024 Ground Water Rule
Sep 1, 2024 Sep 30, 2024 Groundwater Rule TT Yes No — — — Resolved Sep 30, 2024 Ground Water Rule
Jan 1, 2024 Jan 31, 2024 Groundwater Rule TT Yes No — — — Resolved Jan 31, 2024 Ground Water Rule
Jan 1, 2024 Jan 31, 2024 Groundwater Rule TT Yes No — — — Resolved Jan 31, 2024 Ground Water Rule
Jan 1, 2024 Jan 31, 2024 Groundwater Rule TT Yes No — — — Resolved Jan 31, 2024 Ground Water Rule
Jul 1, 2023 Jul 31, 2023 Groundwater Rule TT Yes No — — — Resolved Jul 31, 2023 Ground Water Rule
Jul 1, 2023 Jul 31, 2023 Groundwater Rule TT Yes No — — — Resolved Jul 31, 2023 Ground Water Rule
Jul 1, 2023 Jul 31, 2023 Groundwater Rule TT Yes No — — — Resolved Jul 31, 2023 Ground Water Rule
Mar 5, 2023 — Public Notice Other No No — — — Resolved Mar 21, 2023 Public Notice Rule and Revised PN Rule
Mar 5, 2023 — Public Notice Other No No — — — Resolved Mar 21, 2023 Public Notice Rule and Revised PN Rule
Oct 22, 2022 — Groundwater Rule TT Yes No — — — Resolved May 1, 2023 Ground Water Rule
Oct 22, 2022 — Groundwater Rule TT Yes No — — — Resolved May 1, 2023 Ground Water Rule
Oct 22, 2022 — Groundwater Rule TT Yes No — — — Resolved May 1, 2023 Ground Water Rule
Oct 22, 2022 — Groundwater Rule TT Yes No — — — Resolved May 1, 2023 Ground Water Rule
Jul 2, 2022 — Public Notice Other No No — — — Resolved Mar 21, 2023 Public Notice Rule and Revised PN Rule
Jul 2, 2022 — Public Notice Other No No — — — Resolved Mar 21, 2023 Public Notice Rule and Revised PN Rule
Apr 18, 2022 — E. COLI MR No Yes — — — Resolved Jun 20, 2022 Ground Water Rule
Jan 1, 2021 Dec 31, 2021 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2021 Nitrate Rule
Oct 1, 2017 — Lead and Copper Rule MR No No — TT — Resolved Sep 25, 2020 Lead and Copper Rule
Jan 1, 2017 Dec 31, 2017 COLIPHAGE MR No Yes — — — Resolved Dec 31, 2017 Ground Water Rule
Oct 1, 2016 Sep 30, 2019 TTHM MR No Yes — 0.080 mg/L — Resolved Sep 30, 2019 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2016 Sep 30, 2019 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Sep 30, 2019 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 24, 2016 — Public Notice Other No No — — — Resolved Dec 24, 2015 Public Notice Rule and Revised PN Rule
Dec 16, 2015 — E. COLI MR No Yes — — — Resolved Dec 24, 2015 Ground Water Rule
Dec 16, 2015 — E. COLI MR No Yes — — — Resolved Dec 24, 2015 Ground Water Rule
Oct 1, 2014 Oct 31, 2014 Coliform (TCR) MR No No — 5% of samples — Resolved Oct 31, 2014 Total Coliform Rule
Oct 1, 2014 — Lead and Copper Rule MR No No — TT — Resolved Jan 15, 2015 Lead and Copper Rule
Jan 1, 2013 Dec 31, 2013 COLIPHAGE MR No Yes — — — Resolved Dec 31, 2013 Ground Water Rule
Jan 1, 2012 Dec 31, 2012 COLIPHAGE MR No Yes — — — Resolved Dec 31, 2012 Ground Water Rule
Jan 1, 2012 Dec 31, 2012 COLIPHAGE MR No Yes — — — Resolved Dec 31, 2012 Ground Water Rule
Jan 1, 2012 Dec 31, 2012 Nitrate MR No Yes — 10 mg/L — Archived Dec 31, 2012 Nitrate Rule
Oct 1, 2011 Oct 31, 2011 Coliform (TCR) MR No No — 5% of samples — Resolved Oct 31, 2011 Total Coliform Rule
Oct 1, 2011 Oct 31, 2011 Coliform (TCR) MR No No — 5% of samples — Resolved Oct 31, 2011 Total Coliform Rule
Jan 1, 2011 Dec 31, 2013 Arsenic MR No Yes — 0.010 mg/L — Resolved Dec 31, 2013 Arsenic Rule
Jan 1, 2011 — Lead and Copper Rule MR No No — TT — Resolved Jul 7, 2011 Lead and Copper Rule
Jan 1, 2011 — Lead and Copper Rule MR No No — TT — Resolved Jul 7, 2011 Lead and Copper Rule
Nov 1, 2010 — E. COLI MR No Yes — — — Unaddressed — Ground Water Rule
Jun 1, 2010 Jun 30, 2010 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Jun 30, 2010 Total Coliform Rule
Jun 1, 2010 Jun 30, 2010 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Jun 30, 2010 Total Coliform Rule
Jun 1, 2010 Jun 30, 2010 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Jun 30, 2010 Total Coliform Rule
Jun 1, 2010 Jun 30, 2010 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Jun 30, 2010 Total Coliform Rule
Jun 1, 2010 Jun 30, 2010 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Jun 30, 2010 Total Coliform Rule
Sep 1, 2009 Sep 30, 2009 Coliform (TCR) MR No No — 5% of samples — Resolved Sep 30, 2009 Total Coliform Rule
Sep 1, 2009 Sep 30, 2009 Coliform (TCR) MR No No — 5% of samples — Resolved Sep 30, 2009 Total Coliform Rule
Apr 1, 2009 Apr 30, 2009 Coliform (TCR) MR No No — 5% of samples — Resolved Apr 30, 2009 Total Coliform Rule
Apr 1, 2009 Apr 30, 2009 Coliform (TCR) MR No No — 5% of samples — Resolved Apr 30, 2009 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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