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YAMHILL, CITY OF

Oregon — Community Water System — PWSID: OR4100968

System Information

PWSIDOR4100968
System NameYAMHILL, CITY OF
System TypeCommunity Water System
Water SourceSurface Water
Activity StatusActive
Owner TypeLocal
EPA Region10
Serves SchoolNo
WholesalerNo
First ReportedMar 12, 1979
Last ReportedDec 23, 2025

Location & Contact

StateOregon
CityYAMHILL
ZIP Code97148
AddressPO BOX 9
OrganizationYAMHILL, CITY OF
Phone503-662-4344

Population & Service

Population Served1,130
Service Connections616

Drinking Water Violations (111)

This water system has 111 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 1, 2024 — Consumer Confidence Rule Other No No — — — Resolved Jul 8, 2024 Consumer Confidence Rule
Feb 1, 2024 Feb 29, 2024 Surface Water Treatment Rule MR No Yes — — — Resolved Feb 29, 2024 Surface Water Treatment Rule
Feb 1, 2024 Feb 29, 2024 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Resolved Feb 29, 2024 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Feb 1, 2024 Feb 29, 2024 Surface Water Treatment Rule MR No Yes — — — Resolved Feb 29, 2024 Surface Water Treatment Rule
Jan 1, 2024 — Lead and Copper Rule MR No No — TT — Resolved Apr 3, 2024 Lead and Copper Rule
Dec 1, 2023 Dec 31, 2023 Revised Total Coliform Rule MON No No — — — Resolved Dec 31, 2023 Revised Total Coliform Rule
Jul 1, 2023 — Lead and Copper Rule MR No No — TT — Resolved Dec 10, 2023 Lead and Copper Rule
Jan 1, 2023 — Lead and Copper Rule MR No No — TT — Resolved Aug 10, 2023 Lead and Copper Rule
Jul 1, 2014 Jul 31, 2014 Surface Water Treatment Rule MR No Yes — — — Resolved Jul 31, 2014 Surface Water Treatment Rule
Jul 1, 2014 Jul 31, 2014 Surface Water Treatment Rule MR No Yes — — — Resolved Jul 31, 2014 Surface Water Treatment Rule
Jul 1, 2014 Jul 31, 2014 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Resolved Jul 31, 2014 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Jul 1, 2009 Jul 31, 2009 Surface Water Treatment Rule MR No Yes — — — Resolved Jul 31, 2009 Surface Water Treatment Rule
Jul 1, 2009 Jul 31, 2009 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Resolved Jul 31, 2009 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Jul 1, 2009 Jul 31, 2009 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Resolved Jul 31, 2009 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Jul 1, 2009 Jul 31, 2009 Surface Water Treatment Rule MR No Yes — — — Resolved Jul 31, 2009 Surface Water Treatment Rule
Dec 1, 2001 Dec 31, 2001 Surface Water Treatment Rule MR No No — — — Resolved Dec 31, 2001 Surface Water Treatment Rule
Nov 1, 2001 Nov 30, 2001 Surface Water Treatment Rule TT Yes No — — — Resolved Nov 30, 2001 Surface Water Treatment Rule
Mar 1, 2000 Mar 31, 2000 Surface Water Treatment Rule MR No Yes — — — Resolved Mar 31, 2000 Surface Water Treatment Rule
Feb 1, 1999 Feb 28, 1999 Surface Water Treatment Rule TT Yes No — — — Resolved Feb 28, 1999 Surface Water Treatment Rule
Jan 1, 1999 Jan 31, 1999 Surface Water Treatment Rule MR No No — — — Resolved Jan 31, 1999 Surface Water Treatment Rule
Jan 1, 1999 Jan 31, 1999 Surface Water Treatment Rule MR No No — — — Resolved Jan 31, 1999 Surface Water Treatment Rule
Jan 1, 1999 Jan 31, 1999 Surface Water Treatment Rule TT Yes No — — — Resolved Jan 31, 1999 Surface Water Treatment Rule
Jan 1, 1999 Jan 31, 1999 Surface Water Treatment Rule TT Yes No — — — Resolved Jan 31, 1999 Surface Water Treatment Rule
Dec 1, 1998 Dec 31, 1998 Surface Water Treatment Rule MR No Yes — — — Resolved Dec 31, 1998 Surface Water Treatment Rule
Dec 1, 1998 Dec 31, 1998 Surface Water Treatment Rule MR No Yes — — — Resolved Dec 31, 1998 Surface Water Treatment Rule
Jun 1, 1998 Jun 30, 1998 Surface Water Treatment Rule TT Yes No — — — Resolved Jun 30, 1998 Surface Water Treatment Rule
May 1, 1998 May 31, 1998 Surface Water Treatment Rule TT Yes No — — — Resolved May 31, 1998 Surface Water Treatment Rule
Jan 1, 1998 Jan 31, 1998 Surface Water Treatment Rule TT Yes No — — — Resolved Jan 31, 1998 Surface Water Treatment Rule
Jan 1, 1998 Jan 31, 1998 Surface Water Treatment Rule TT Yes No — — — Resolved Jan 31, 1998 Surface Water Treatment Rule
Jan 1, 1998 Jan 31, 1998 Surface Water Treatment Rule TT Yes No — — — Resolved Jan 31, 1998 Surface Water Treatment Rule
Nov 1, 1997 Nov 30, 1997 Surface Water Treatment Rule TT Yes No — — — Resolved Nov 30, 1997 Surface Water Treatment Rule
Nov 1, 1997 Nov 30, 1997 Surface Water Treatment Rule TT Yes No — — — Resolved Nov 30, 1997 Surface Water Treatment Rule
Nov 1, 1997 Nov 30, 1997 Surface Water Treatment Rule TT Yes No — — — Resolved Nov 30, 1997 Surface Water Treatment Rule
Sep 1, 1997 Sep 30, 1997 Surface Water Treatment Rule TT Yes No — — — Resolved Sep 30, 1997 Surface Water Treatment Rule
Sep 1, 1997 Sep 30, 1997 Surface Water Treatment Rule TT Yes No — — — Resolved Sep 30, 1997 Surface Water Treatment Rule
Sep 1, 1997 Sep 30, 1997 Surface Water Treatment Rule TT Yes No — — — Resolved Sep 30, 1997 Surface Water Treatment Rule
Sep 1, 1997 Sep 30, 1997 Surface Water Treatment Rule TT Yes No — — — Resolved Sep 30, 1997 Surface Water Treatment Rule
Aug 1, 1997 Aug 31, 1997 Surface Water Treatment Rule TT Yes No — — — Resolved Aug 31, 1997 Surface Water Treatment Rule
Aug 1, 1997 Aug 31, 1997 Surface Water Treatment Rule TT Yes No — — — Resolved Aug 31, 1997 Surface Water Treatment Rule
Aug 1, 1997 Aug 31, 1997 Surface Water Treatment Rule TT Yes No — — — Resolved Aug 31, 1997 Surface Water Treatment Rule
Aug 1, 1997 Aug 31, 1997 Surface Water Treatment Rule TT Yes No — — — Resolved Aug 31, 1997 Surface Water Treatment Rule
Jun 1, 1997 Jun 30, 1997 Surface Water Treatment Rule TT Yes No — — — Resolved Jun 30, 1997 Surface Water Treatment Rule
Jun 1, 1997 Jun 30, 1997 Surface Water Treatment Rule TT Yes No — — — Resolved Jun 30, 1997 Surface Water Treatment Rule
Jan 1, 1997 Dec 31, 1997 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 1997 Nitrate Rule
Jan 1, 1997 Dec 31, 1997 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 1997 Nitrate Rule
Jan 1, 1997 Dec 31, 1997 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 1997 Nitrate Rule
Jan 1, 1997 Dec 31, 1997 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 1997 Nitrate Rule
Jan 1, 1997 Dec 31, 1997 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 1997 Nitrate Rule
Jan 1, 1997 Dec 31, 1997 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 1997 Nitrate Rule
Jan 1, 1997 Dec 31, 1997 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 1997 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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