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Product Safety9,700+ CPSC product recalls Food Safety28,600+ FDA food recalls Pet Safety1.3M FDA animal adverse events Drug Safety17,500+ FDA drug recalls Device Safety38,400+ FDA device recalls Workplace Safety102,900+ OSHA injury reports Brand HistoryRecall lookup by company

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GRASS VALLEY WATER SYSTEM

Oregon — Community Water System — PWSID: OR4100356

System Information

PWSIDOR4100356
System NameGRASS VALLEY WATER SYSTEM
System TypeCommunity Water System
Water SourceGround Water
Activity StatusActive
Owner TypeLocal
EPA Region10
Serves SchoolNo
WholesalerNo
First ReportedMar 12, 1979
Last ReportedMar 25, 2026

Location & Contact

StateOregon
CityGRASS VALLEY
ZIP Code97029
AddressPO BOX 191
OrganizationGRASS VALLEY WATER SYSTEM
Phone541-333-2434

Population & Service

Population Served184
Service Connections92

Drinking Water Violations (139)

This water system has 139 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
Oct 1, 2022 — MR No No — TT — Resolved Aug 28, 2025 —
Sep 1, 2011 Sep 30, 2011 MR No No — 5% of samples — Resolved Sep 30, 2011 —
Sep 1, 2011 Sep 30, 2011 MR No No — 5% of samples — Resolved Sep 30, 2011 —
Jul 1, 2009 Jul 31, 2009 MCL Yes No — 5% of samples — Resolved Jul 31, 2009 —
Jul 1, 2009 Jul 31, 2009 MCL Yes No — 5% of samples — Resolved Jul 31, 2009 —
Jan 1, 2009 Dec 31, 2009 MR No Yes — 10 mg/L — Resolved Dec 31, 2009 —
Jan 1, 2009 Dec 31, 2009 MR No Yes — 10 mg/L — Resolved Dec 31, 2009 —
Jul 1, 2007 Jul 31, 2007 MR No No — 5% of samples — Resolved Jul 31, 2007 —
Jan 1, 2007 Dec 31, 2007 MR No Yes — 10 mg/L — Resolved Dec 31, 2007 —
May 1, 2005 May 31, 2005 MR No No — 5% of samples — Resolved May 31, 2005 —
Jan 1, 2005 — MR No No — TT — Resolved Jan 9, 2007 —
Jan 1, 2005 Dec 31, 2005 MR No Yes — 10 mg/L — Resolved Dec 31, 2005 —
Sep 1, 2004 Sep 30, 2004 MCL Yes No — 5% of samples — Resolved Sep 30, 2004 —
Jul 1, 2004 — Other No No — — — Resolved Jun 2, 2010 —
Jan 1, 2004 Dec 31, 2004 MR No Yes — 10 mg/L — Resolved Dec 31, 2004 —
Nov 1, 2003 Nov 30, 2003 MR No No — 5% of samples — Resolved Nov 30, 2003 —
Nov 1, 2003 Nov 30, 2003 MR No No — 5% of samples — Resolved Nov 30, 2003 —
Sep 1, 2003 Sep 30, 2003 MCL Yes No — 5% of samples — Resolved Sep 30, 2003 —
Aug 1, 2003 Aug 31, 2003 MCL Yes No — 5% of samples — Resolved Aug 31, 2003 —
Oct 19, 2001 — Other No No — — — Resolved Jul 9, 2002 —
Jul 1, 2001 — Other No No — — — Resolved Jul 9, 2002 —
Sep 1, 2000 Sep 30, 2000 MR No No — 5% of samples — Resolved Sep 30, 2000 —
Sep 1, 2000 Sep 30, 2000 MCL Yes No — 5% of samples — Resolved Sep 30, 2000 —
Jul 1, 2000 — Other No No — — — Resolved Jul 9, 2002 —
Jan 1, 1999 Dec 31, 2001 MR No Yes — 0.004 mg/L — Resolved Dec 31, 2001 —
Jan 1, 1999 Dec 31, 2001 MR No Yes — 0.0002 mg/L — Resolved Dec 31, 2001 —
Jan 1, 1999 Dec 31, 2001 MR No Yes — 0.002 mg/L — Resolved Dec 31, 2001 —
Jan 1, 1999 Dec 31, 2001 MR No Yes — 0.0002 mg/L — Resolved Dec 31, 2001 —
Jan 1, 1999 Dec 31, 2001 MR No Yes — 0.007 mg/L — Resolved Dec 31, 2001 —
Jan 1, 1999 Dec 31, 2001 MR No Yes — 0.1 mg/L — Resolved Dec 31, 2001 —
Jan 1, 1999 Dec 31, 2001 MR No Yes — 0.002 mg/L — Resolved Dec 31, 2001 —
Jan 1, 1999 Dec 31, 2001 MR No Yes — 0.7 mg/L — Resolved Dec 31, 2001 —
Jan 1, 1999 Dec 31, 2001 MR No Yes — 0.05 mg/L — Resolved Dec 31, 2001 —
Jan 1, 1999 Dec 31, 2001 MR No Yes — 0.04 mg/L — Resolved Dec 31, 2001 —
Jan 1, 1999 Jan 31, 1999 MR No No — 5% of samples — Resolved Jan 31, 1999 —
Jan 1, 1999 Dec 31, 2001 MR No Yes — 0.006 mg/L — Resolved Dec 31, 2001 —
Jan 1, 1999 Jan 31, 1999 MR No No — 5% of samples — Resolved Jan 31, 1999 —
Jan 1, 1999 Dec 31, 2001 MR No Yes — 0.001 mg/L — Resolved Dec 31, 2001 —
Jan 1, 1999 Dec 31, 2001 MR No Yes — 0.2 mg/L — Resolved Dec 31, 2001 —
Jan 1, 1999 Dec 31, 2001 MR No Yes — 0.07 mg/L — Resolved Dec 31, 2001 —
Jan 1, 1999 Dec 31, 2001 MR No Yes — 0.2 mg/L — Resolved Dec 31, 2001 —
Jan 1, 1999 Dec 31, 2001 MR No Yes — 0.0005 mg/L — Resolved Dec 31, 2001 —
Jan 1, 1999 Dec 31, 2001 MR No Yes — — — Resolved Dec 31, 2001 —
Jan 1, 1999 Dec 31, 2001 MR No Yes — 0.02 mg/L — Resolved Dec 31, 2001 —
Jan 1, 1999 Dec 31, 2001 MR No Yes — 0.00005 mg/L — Resolved Dec 31, 2001 —
Jan 1, 1999 Dec 31, 2001 MR No Yes — 0.002 mg/L — Resolved Dec 31, 2001 —
Jan 1, 1999 Dec 31, 2001 MR No Yes — 0.075 mg/L — Resolved Dec 31, 2001 —
Jan 1, 1999 Dec 31, 2001 MR No Yes — 0.5 mg/L — Resolved Dec 31, 2001 —
Jan 1, 1999 Dec 31, 2001 MR No Yes — 0.005 mg/L — Resolved Dec 31, 2001 —
Jan 1, 1999 Dec 31, 2001 MR No Yes — 0.010 mg/L — Resolved Dec 31, 2001 —

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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