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GRAND RONDE COMMUNITY WTR ASSN

Oregon — Community Water System — PWSID: OR4100338

System Information

PWSIDOR4100338
System NameGRAND RONDE COMMUNITY WTR ASSN
System TypeCommunity Water System
Water SourceGround Water
Activity StatusActive
Owner TypePrivate
EPA Region10
Serves SchoolNo
WholesalerNo
First ReportedMar 12, 1979
Last ReportedDec 23, 2025

Location & Contact

StateOregon
CityGRAND RONDE
ZIP Code97347
AddressPO BOX 253
OrganizationGRAND RONDE COMMUNITY WTR ASSN
Phone503-879-5624

Population & Service

Population Served2,500
Service Connections1,004

Drinking Water Violations (74)

This water system has 74 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 28, 2025 — Public Notice Other No No — — — Unaddressed — Public Notice Rule and Revised PN Rule
Jul 1, 2024 — Consumer Confidence Rule Other No No — — — Resolved Jul 24, 2024 Consumer Confidence Rule
Jan 2, 2023 — E. COLI MR No Yes — — — Resolved Dec 29, 2022 Ground Water Rule
Apr 1, 2021 Jun 30, 2021 Gross Alpha, Excl. Radon and U MR No Yes — 15 pCi/L — Resolved Jun 30, 2021 Radionuclides and Revised Rad Rule
Apr 1, 2021 Jun 30, 2021 Combined Uranium MR No Yes — 30 ug/L — Resolved Jun 30, 2021 Radionuclides and Revised Rad Rule
Apr 1, 2021 Jun 30, 2021 Combined Radium (-226 and -228) MR No Yes — 5 pCi/L — Resolved Jun 30, 2021 Radionuclides and Revised Rad Rule
Jul 1, 2020 Sep 30, 2020 Gross Alpha, Excl. Radon and U MR No Yes — 15 pCi/L — Resolved Sep 30, 2020 Radionuclides and Revised Rad Rule
Jul 1, 2020 Sep 30, 2020 Combined Radium (-226 and -228) MR No Yes — 5 pCi/L — Resolved Sep 30, 2020 Radionuclides and Revised Rad Rule
Jul 1, 2020 Sep 30, 2020 Combined Uranium MR No Yes — 30 ug/L — Resolved Sep 30, 2020 Radionuclides and Revised Rad Rule
Nov 13, 2018 — E. COLI MR No Yes — — — Resolved Nov 16, 2018 Ground Water Rule
Dec 13, 2017 — E. COLI MR No Yes — — — Resolved Dec 15, 2017 Ground Water Rule
Oct 15, 2016 — E. COLI MR No Yes — — — Resolved Nov 18, 2016 Ground Water Rule
Oct 1, 2016 Oct 31, 2016 Revised Total Coliform Rule MON No No — — — Resolved Oct 31, 2016 Revised Total Coliform Rule
Oct 1, 2015 Oct 31, 2015 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Oct 31, 2015 Total Coliform Rule
Oct 1, 2015 Oct 31, 2015 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Oct 31, 2015 Total Coliform Rule
Oct 1, 2015 Oct 31, 2015 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Oct 31, 2015 Total Coliform Rule
Feb 19, 2015 — E. COLI MR No Yes — — — Resolved Apr 8, 2015 Ground Water Rule
Dec 4, 2014 — E. COLI MR No Yes — — — Resolved Feb 2, 2015 Ground Water Rule
Nov 29, 2014 — E. COLI MR No Yes — — — Resolved Feb 2, 2015 Ground Water Rule
Nov 1, 2014 Nov 30, 2014 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Nov 30, 2014 Total Coliform Rule
Nov 1, 2014 Nov 30, 2014 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Nov 30, 2014 Total Coliform Rule
Nov 1, 2014 Nov 30, 2014 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Nov 30, 2014 Total Coliform Rule
Oct 1, 2014 Oct 31, 2014 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Oct 31, 2014 Total Coliform Rule
Oct 1, 2014 Oct 31, 2014 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Oct 31, 2014 Total Coliform Rule
Oct 1, 2014 Oct 31, 2014 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Oct 31, 2014 Total Coliform Rule
Oct 20, 2013 — E. COLI MR No Yes — — — Resolved Jan 7, 2014 Ground Water Rule
Jan 1, 2012 Jan 31, 2012 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Jan 31, 2012 Total Coliform Rule
Jan 1, 2012 Jan 31, 2012 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Jan 31, 2012 Total Coliform Rule
Jan 1, 2012 Jan 31, 2012 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Jan 31, 2012 Total Coliform Rule
Jan 1, 2012 Jan 31, 2012 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Jan 31, 2012 Total Coliform Rule
Dec 1, 2011 Dec 31, 2011 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Dec 31, 2011 Total Coliform Rule
Dec 1, 2011 Dec 31, 2011 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Dec 31, 2011 Total Coliform Rule
Dec 1, 2011 Dec 31, 2011 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Dec 31, 2011 Total Coliform Rule
Oct 1, 2011 Oct 31, 2011 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Oct 31, 2011 Total Coliform Rule
Oct 1, 2011 Oct 31, 2011 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Oct 31, 2011 Total Coliform Rule
Oct 1, 2011 Oct 31, 2011 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Oct 31, 2011 Total Coliform Rule
Oct 1, 2011 Oct 31, 2011 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Oct 31, 2011 Total Coliform Rule
Oct 1, 2011 — E. COLI MR No Yes — — — Resolved Dec 23, 2011 Ground Water Rule
Oct 1, 2011 — E. COLI MR No Yes — — — Resolved Dec 23, 2011 Ground Water Rule
Nov 20, 2010 — Public Notice Other No No — — — Resolved Nov 8, 2010 Public Notice Rule and Revised PN Rule
Nov 20, 2010 — Public Notice Other No No — — — Resolved Nov 8, 2010 Public Notice Rule and Revised PN Rule
Sep 1, 2010 Sep 30, 2010 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Sep 30, 2010 Total Coliform Rule
Sep 1, 2010 Sep 30, 2010 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Sep 30, 2010 Total Coliform Rule
Sep 1, 2010 Sep 30, 2010 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Sep 30, 2010 Total Coliform Rule
Aug 1, 2010 Aug 31, 2010 Coliform (TCR) MR No No — 5% of samples — Resolved Aug 31, 2010 Total Coliform Rule
Aug 1, 2010 Aug 31, 2010 Coliform (TCR) MR No No — 5% of samples — Resolved Aug 31, 2010 Total Coliform Rule
Dec 1, 2009 Dec 31, 2009 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Dec 31, 2009 Total Coliform Rule
Dec 1, 2009 Dec 31, 2009 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Dec 31, 2009 Total Coliform Rule
Dec 1, 2009 Dec 31, 2009 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Dec 31, 2009 Total Coliform Rule
Nov 1, 2009 Nov 30, 2009 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Nov 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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