Vehicle Safety
Recalls Search 320,000+ NHTSA safety recalls Complaints 2.1M+ consumer safety complaints TSBs 4.7M technical service bulletins VIN Lookup Decode any vehicle VIN instantly OBD Codes 12,000+ diagnostic trouble codes Fuel Economy EPA MPG data for all vehicles Safety Ratings 11,700+ NHTSA crash test ratings Investigations 5,300+ NHTSA defect investigations Statistics Recall trends & safety analysis
Consumer Safety
Product Safety 9,700+ CPSC product recalls Food Safety 28,600+ FDA food recalls Pet Safety 1.3M FDA animal adverse events Drug Safety 17,500+ FDA drug recalls Device Safety 38,400+ FDA device recalls Workplace Safety 102,900+ OSHA injury reports Brand History Cross-category recall lookup by company
Infrastructure
Bridge Safety 624,000 bridge inspections Aviation Safety 30,000+ NTSB aviation events Dam Safety 92,600 dam safety records Water Safety 433,000+ public water systems Railroad Safety 438,000+ rail crossings Pipeline Safety 8,800+ pipeline incidents
Public Health
Nursing Homes 14,700 CMS rated facilities Environmental 80,000+ hazardous sites & releases

MERIWETHER NATL GOLF COURSE

Oregon — Transient Non-Community — PWSID: OR4191604

System Information

PWSIDOR4191604
System NameMERIWETHER NATL GOLF COURSE
System TypeTransient Non-Community
Water SourceGround Water
Activity StatusActive
Owner TypePrivate
EPA Region10
Serves SchoolNo
WholesalerNo
First ReportedMar 10, 1980
Last ReportedDec 23, 2025

Location & Contact

StateOregon
CityHILLSBORO
ZIP Code97123
Address5200 SW ROOD BRIDGE RD
OrganizationMERIWETHER NATL GOLF COURSE
Phone503-648-4143

Population & Service

Population Served516
Service Connections2

Drinking Water Violations (57)

This water system has 57 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 Revised Total Coliform Rule MON No Yes — — — Archived Sep 30, 2025 Revised Total Coliform Rule
Aug 1, 2025 Aug 31, 2025 Revised Total Coliform Rule MON No Yes — — — Archived Aug 31, 2025 Revised Total Coliform Rule
Jun 1, 2025 Jun 30, 2025 Revised Total Coliform Rule MON No Yes — — — Resolved Jun 30, 2025 Revised Total Coliform Rule
Jan 1, 2025 Jan 31, 2025 Revised Total Coliform Rule MON No Yes — — — Resolved Jan 31, 2025 Revised Total Coliform Rule
Oct 1, 2024 Oct 31, 2024 Revised Total Coliform Rule MON No Yes — — — Resolved Oct 31, 2024 Revised Total Coliform Rule
Jul 1, 2024 Jul 31, 2024 Revised Total Coliform Rule MON No Yes — — — Resolved Jul 31, 2024 Revised Total Coliform Rule
Jun 1, 2024 Jun 30, 2024 Revised Total Coliform Rule MON No Yes — — — Resolved Jun 30, 2024 Revised Total Coliform Rule
Feb 1, 2024 Feb 29, 2024 Revised Total Coliform Rule MON No Yes — — — Resolved Feb 29, 2024 Revised Total Coliform Rule
Jan 1, 2024 Dec 31, 2024 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2024 Nitrate Rule
Jan 1, 2024 Dec 31, 2024 COLIPHAGE MR No Yes — — — Resolved Dec 31, 2024 Ground Water Rule
Nov 1, 2023 Nov 30, 2023 Revised Total Coliform Rule MON No Yes — — — Resolved Nov 30, 2023 Revised Total Coliform Rule
Sep 1, 2023 Sep 30, 2023 Revised Total Coliform Rule MON No Yes — — — Resolved Sep 30, 2023 Revised Total Coliform Rule
Aug 1, 2023 Aug 31, 2023 Revised Total Coliform Rule MON No Yes — — — Resolved Aug 31, 2023 Revised Total Coliform Rule
Jul 1, 2023 Jul 31, 2023 Revised Total Coliform Rule MON No Yes — — — Resolved Jul 31, 2023 Revised Total Coliform Rule
Jun 1, 2023 Jun 30, 2023 Revised Total Coliform Rule MON No Yes — — — Resolved Jun 30, 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 Dec 31, 2023 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2023 Nitrate Rule
Jan 1, 2023 Dec 31, 2023 COLIPHAGE MR No Yes — — — Resolved Dec 31, 2023 Ground Water Rule
Dec 1, 2022 Dec 31, 2022 Revised Total Coliform Rule MON No Yes — — — Resolved Dec 31, 2022 Revised Total Coliform Rule
Apr 1, 2022 Jun 30, 2022 Revised Total Coliform Rule MON No Yes — — — Resolved Jun 30, 2022 Revised Total Coliform Rule
Jan 1, 2022 Mar 31, 2022 Revised Total Coliform Rule MON No Yes — — — Resolved Mar 31, 2022 Revised Total Coliform Rule
Jul 1, 2021 Sep 30, 2021 Revised Total Coliform Rule MON No Yes — — — Resolved Sep 30, 2021 Revised Total Coliform Rule
Apr 1, 2020 Jun 30, 2020 Revised Total Coliform Rule MON No Yes — — — Resolved Jun 30, 2020 Revised Total Coliform Rule
Jan 1, 2019 Mar 31, 2019 Revised Total Coliform Rule MON No Yes — — — Resolved Mar 31, 2019 Revised Total Coliform Rule
Apr 1, 2018 Jun 30, 2018 Revised Total Coliform Rule MON No Yes — — — Resolved Jun 30, 2018 Revised Total Coliform Rule
Jan 1, 2017 Dec 31, 2017 COLIPHAGE MR No Yes — — — Resolved Dec 31, 2017 Ground Water Rule
Oct 1, 2016 Dec 31, 2016 Revised Total Coliform Rule MON No Yes — — — Resolved Dec 31, 2016 Revised Total Coliform 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
Oct 1, 2007 Dec 31, 2007 Coliform (TCR) MR No No — 5% of samples — Resolved Dec 31, 2007 Total Coliform Rule
Oct 1, 2007 Dec 31, 2007 Coliform (TCR) MR No No — 5% of samples — Resolved Dec 31, 2007 Total Coliform Rule
Jul 1, 2007 Sep 30, 2007 Coliform (TCR) MR No No — 5% of samples — Resolved Sep 30, 2007 Total Coliform Rule
Jul 1, 2007 Sep 30, 2007 Coliform (TCR) MR No No — 5% of samples — Resolved Sep 30, 2007 Total Coliform Rule
Apr 1, 2007 Jun 30, 2007 Coliform (TCR) MR No No — 5% of samples — Resolved Jun 30, 2007 Total Coliform Rule
Apr 1, 2007 Jun 30, 2007 Coliform (TCR) MR No No — 5% of samples — Resolved Jun 30, 2007 Total Coliform Rule
Jan 1, 2007 Dec 31, 2007 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2007 Nitrate Rule
Jan 1, 2007 Mar 31, 2007 Coliform (TCR) MR No No — 5% of samples — Resolved Mar 31, 2007 Total Coliform Rule
Jan 1, 2007 Mar 31, 2007 Coliform (TCR) MR No No — 5% of samples — Resolved Mar 31, 2007 Total Coliform Rule
Oct 1, 2006 Dec 31, 2006 Coliform (TCR) MR No No — 5% of samples — Resolved Dec 31, 2006 Total Coliform Rule
Oct 1, 2006 Dec 31, 2006 Coliform (TCR) MR No No — 5% of samples — Resolved Dec 31, 2006 Total Coliform Rule
Jul 1, 2006 Sep 30, 2006 Coliform (TCR) MR No No — 5% of samples — Resolved Sep 30, 2006 Total Coliform Rule
Jul 1, 2006 Sep 30, 2006 Coliform (TCR) MR No No — 5% of samples — Resolved Sep 30, 2006 Total Coliform Rule
Apr 1, 2006 Jun 30, 2006 Coliform (TCR) MR No No — 5% of samples — Resolved Jun 30, 2006 Total Coliform Rule
Apr 1, 2006 Jun 30, 2006 Coliform (TCR) MR No No — 5% of samples — Resolved Jun 30, 2006 Total Coliform Rule
Jan 1, 2006 Mar 31, 2006 Coliform (TCR) MR No No — 5% of samples — Resolved Mar 31, 2006 Total Coliform Rule
Jan 1, 2006 Mar 31, 2006 Coliform (TCR) MR No No — 5% of samples — Resolved Mar 31, 2006 Total Coliform Rule
Jan 1, 2006 Dec 31, 2006 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2006 Nitrate Rule
Jul 1, 2002 Sep 30, 2002 Coliform (TCR) MR No No — 5% of samples — Resolved Sep 30, 2002 Total Coliform Rule
Jul 1, 2002 Sep 30, 2002 Coliform (TCR) MR No No — 5% of samples — Resolved Sep 30, 2002 Total Coliform Rule
Jan 1, 2000 Dec 31, 2000 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2000 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.

Browse All Water Systems Water Safety Stats Water Safety Home
Browse All Water Systems Water Systems in Oregon