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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

Infrastructure

Bridge Safety624,000 bridge inspections Aviation Safety30,000+ NTSB aviation events Dam Safety92,600 dam safety records Water Safety433,000+ public water systems Railroad Safety438,000+ rail crossings Pipeline Safety8,800+ pipeline incidents State DashboardsSafety grades for all 50 states ZIP ReportAny 5-digit ZIP across 9 datasets

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RIDGEWOOD DIST IMPROV CO

Oregon — Community Water System — PWSID: OR4100229

System Information

PWSIDOR4100229
System NameRIDGEWOOD DIST IMPROV CO
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
CityCORVALLIS
ZIP Code97330
Address7970 NW RIDGEWOOD DR
OrganizationRIDGEWOOD DIST IMPROV CO
Phone541-602-5552

Population & Service

Population Served90
Service Connections40

Drinking Water Violations (48)

This water system has 48 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
Mar 1, 2025 Mar 31, 2025 MCL Yes No — — — Resolved Mar 31, 2025 —
Mar 1, 2025 Mar 31, 2025 MCL Yes No — — — Resolved Mar 31, 2025 —
Mar 1, 2025 Mar 31, 2025 MCL Yes No — — — Resolved Mar 31, 2025 —
Jan 1, 2007 Jan 31, 2007 MCL Yes No — 5% of samples — Resolved Jan 31, 2007 —
Jan 1, 2007 Jan 31, 2007 MR No No — 5% of samples — Resolved Jan 31, 2007 —
Jan 1, 2007 Jan 31, 2007 MR No No — 5% of samples — Resolved Jan 31, 2007 —
Dec 1, 2006 Dec 31, 2006 MCL Yes No — 5% of samples — Resolved Dec 31, 2006 —
Nov 1, 2006 Nov 30, 2006 MCL Yes No — 5% of samples — Resolved Nov 30, 2006 —
Nov 1, 2006 Nov 30, 2006 MR No No — 5% of samples — Resolved Nov 30, 2006 —
Oct 1, 2006 Oct 31, 2006 MCL Yes No — 5% of samples — Resolved Oct 31, 2006 —
Jan 1, 2004 Dec 31, 2004 MR No Yes — 10 mg/L — Resolved Dec 31, 2004 —
Jan 1, 2004 Dec 31, 2004 MR No Yes — 10 mg/L — Resolved Dec 31, 2004 —
Nov 1, 1999 Nov 30, 1999 MCL Yes No — 5% of samples — Resolved Nov 30, 1999 —
Nov 1, 1999 Nov 30, 1999 MR No No — 5% of samples — Resolved Nov 30, 1999 —
Nov 1, 1999 Nov 30, 1999 MR No No — 5% of samples — Resolved Nov 30, 1999 —
Nov 1, 1999 Nov 30, 1999 MR No No — 5% of samples — Resolved Nov 30, 1999 —
Nov 1, 1999 Nov 30, 1999 MR No No — 5% of samples — Resolved Nov 30, 1999 —
Nov 1, 1999 Nov 30, 1999 MCL Yes No — 5% of samples — Resolved Nov 30, 1999 —
Nov 1, 1999 Nov 30, 1999 MR No No — 5% of samples — Resolved Nov 30, 1999 —
Oct 1, 1999 Oct 31, 1999 MCL Yes No — 5% of samples — Resolved Oct 31, 1999 —
Oct 1, 1999 Oct 31, 1999 MCL Yes No — 5% of samples — Resolved Oct 31, 1999 —
Jun 1, 1999 Jun 30, 1999 MR No No — 5% of samples — Resolved Jun 30, 1999 —
Jun 1, 1999 Jun 30, 1999 MR No No — 5% of samples — Resolved Jun 30, 1999 —
Jun 1, 1999 Jun 30, 1999 MR No No — 5% of samples — Resolved Jun 30, 1999 —
May 1, 1999 May 31, 1999 MCL Yes No — 5% of samples — Resolved May 31, 1999 —
May 1, 1999 May 31, 1999 MCL Yes No — 5% of samples — Resolved May 31, 1999 —
Nov 1, 1998 Nov 30, 1998 MCL Yes No — 5% of samples — Resolved Nov 30, 1998 —
Oct 1, 1998 Oct 31, 1998 MCL Yes No — 5% of samples — Resolved Oct 31, 1998 —
Apr 1, 1997 Apr 30, 1997 MR No No — 5% of samples — Resolved Apr 30, 1997 —
Apr 1, 1997 Apr 30, 1997 MR No No — 5% of samples — Resolved Apr 30, 1997 —
Jan 1, 1996 Dec 31, 1996 MR No Yes — 10 mg/L — Resolved Dec 31, 1996 —
Sep 1, 1995 Sep 30, 1995 MR No No — 5% of samples — Resolved Sep 30, 1995 —
Sep 1, 1995 Sep 30, 1995 MR No No — 5% of samples — Resolved Sep 30, 1995 —
Oct 1, 1994 Oct 31, 1994 MCL Yes No — 5% of samples — Resolved Oct 31, 1994 —
Jun 1, 1994 Jun 30, 1994 MR No No — 5% of samples — Resolved Jun 30, 1994 —
Jun 1, 1994 Jun 30, 1994 MR No No — 5% of samples — Resolved Jun 30, 1994 —
Sep 1, 1993 Sep 30, 1993 MR No No — 5% of samples — Resolved Sep 30, 1993 —
Sep 1, 1993 Sep 30, 1993 MR No No — 5% of samples — Resolved Sep 30, 1993 —
Feb 1, 1993 Feb 28, 1993 MR No No — 5% of samples — Resolved Feb 28, 1993 —
Feb 1, 1993 Feb 28, 1993 MR No No — 5% of samples — Resolved Feb 28, 1993 —
Feb 1, 1993 Feb 28, 1993 MR No No — 5% of samples — Resolved Feb 28, 1993 —
Jan 1, 1993 Jan 31, 1993 MCL Yes No — 5% of samples — Archived Jan 31, 1993 —
Jun 1, 1976 May 31, 1980 MR No No — 15 pCi/L — Archived May 31, 1980 —
Jun 1, 1976 May 31, 1980 MR No No — 5 pCi/L — Archived May 31, 1980 —
— — — No No — — — — — —
— — — No No — — — — — —
— — — No No — — — — — —
— — — No No — — — — — —

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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