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FOREST GROVE, CITY OF

Oregon — Community Water System — PWSID: OR4100305

System Information

PWSIDOR4100305
System NameFOREST GROVE, 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
CityFOREST GROVE
ZIP Code97116
AddressPO BOX 326
OrganizationFOREST GROVE, CITY OF
Phone503-992-3325

Population & Service

Population Served26,838
Service Connections7,250

Drinking Water Violations (43)

This water system has 43 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
Jan 1, 2022 Dec 31, 2022 Vinyl chloride MR No Yes — 0.002 mg/L — Resolved Dec 31, 2022 Volatile Organic Chemicals
Jan 1, 2022 Dec 31, 2022 Tetrachloroethylene MR No Yes — 0.005 mg/L — Resolved Dec 31, 2022 Volatile Organic Chemicals
Jan 1, 2022 Dec 31, 2022 Ethylbenzene MR No Yes — 0.7 mg/L — Resolved Dec 31, 2022 Volatile Organic Chemicals
Jan 1, 2022 Dec 31, 2022 cis-1,2-Dichloroethylene MR No Yes — 0.07 mg/L — Resolved Dec 31, 2022 Volatile Organic Chemicals
Jan 1, 2022 Dec 31, 2022 Trichloroethylene MR No Yes — 0.005 mg/L — Resolved Dec 31, 2022 Volatile Organic Chemicals
Jan 1, 2022 Dec 31, 2022 1,1,2-Trichloroethane MR No Yes — 0.005 mg/L — Resolved Dec 31, 2022 Volatile Organic Chemicals
Jan 1, 2022 Dec 31, 2022 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2022 Nitrate Rule
Jan 1, 2022 Dec 31, 2022 Styrene MR No Yes — 0.1 mg/L — Resolved Dec 31, 2022 Volatile Organic Chemicals
Jan 1, 2022 Dec 31, 2022 Toluene MR No Yes — 1 mg/L — Resolved Dec 31, 2022 Volatile Organic Chemicals
Jan 1, 2022 Dec 31, 2022 1,2-Dichloropropane MR No Yes — 0.005 mg/L — Resolved Dec 31, 2022 Volatile Organic Chemicals
Jan 1, 2022 Dec 31, 2022 Carbon tetrachloride MR No Yes — 0.005 mg/L — Resolved Dec 31, 2022 Volatile Organic Chemicals
Jan 1, 2022 Dec 31, 2022 1,1,1-Trichloroethane MR No Yes — 0.2 mg/L — Resolved Dec 31, 2022 Volatile Organic Chemicals
Jan 1, 2022 Dec 31, 2022 1,2-Dichloroethane MR No Yes — 0.005 mg/L — Resolved Dec 31, 2022 Volatile Organic Chemicals
Jan 1, 2022 Dec 31, 2022 1,1-Dichloroethylene MR No Yes — 0.007 mg/L — Resolved Dec 31, 2022 Volatile Organic Chemicals
Jan 1, 2022 Dec 31, 2022 Benzene MR No Yes — 0.005 mg/L — Resolved Dec 31, 2022 Volatile Organic Chemicals
Jan 1, 2022 Dec 31, 2022 o-Dichlorobenzene MR No Yes — 0.6 mg/L — Resolved Dec 31, 2022 Volatile Organic Chemicals
Jan 1, 2022 Dec 31, 2022 DICHLOROMETHANE MR No Yes — 0.005 mg/L — Resolved Dec 31, 2022 Volatile Organic Chemicals
Jan 1, 2022 Dec 31, 2022 1,2,4-Trichlorobenzene MR No Yes — 0.07 mg/L — Resolved Dec 31, 2022 Volatile Organic Chemicals
Jan 1, 2022 Dec 31, 2022 CHLOROBENZENE MR No Yes — 0.1 mg/L — Resolved Dec 31, 2022 Volatile Organic Chemicals
Jan 1, 2022 Dec 31, 2022 trans-1,2-Dichloroethylene MR No Yes — 0.1 mg/L — Resolved Dec 31, 2022 Volatile Organic Chemicals
Jan 1, 2022 Dec 31, 2022 p-Dichlorobenzene MR No Yes — 0.075 mg/L — Resolved Dec 31, 2022 Volatile Organic Chemicals
Jan 1, 2022 Dec 31, 2022 Xylenes, Total MR No Yes — 10 mg/L — Resolved Dec 31, 2022 Volatile Organic Chemicals
Mar 1, 2020 Mar 31, 2020 Surface Water Treatment Rule MR No Yes — — — Resolved Mar 31, 2020 Surface Water Treatment Rule
Mar 1, 2020 Mar 31, 2020 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Resolved Mar 31, 2020 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Mar 1, 2020 Mar 31, 2020 Surface Water Treatment Rule MR No Yes — — — Resolved Mar 31, 2020 Surface Water Treatment Rule
Aug 1, 2018 Aug 31, 2018 Revised Total Coliform Rule MON No No — — — Resolved Aug 31, 2018 Revised Total Coliform Rule
Jan 1, 2006 Dec 31, 2006 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2006 Nitrate Rule
Jan 1, 2006 Dec 31, 2006 Arsenic MR No Yes — 0.010 mg/L — Resolved Dec 31, 2006 Arsenic Rule
Oct 19, 2003 — Consumer Confidence Rule Other No No — — — Resolved Mar 4, 2004 Consumer Confidence Rule
Jul 1, 2003 — Consumer Confidence Rule Other No No — — — Resolved Mar 4, 2004 Consumer Confidence Rule
Oct 1, 2000 Oct 31, 2000 Coliform (TCR) MR No No — 5% of samples — Resolved Oct 31, 2000 Total Coliform Rule
Sep 1, 1996 Sep 30, 1996 Coliform (TCR) MR No No — 5% of samples — Resolved Sep 30, 1996 Total Coliform Rule
Jan 1, 1994 Jan 31, 1994 Surface Water Treatment Rule TT Yes No — — — Archived Jan 31, 1994 Surface Water Treatment Rule
Jan 1, 1994 Jan 31, 1994 Surface Water Treatment Rule TT Yes No — — — Resolved Jan 31, 1994 Surface Water Treatment Rule
Dec 1, 1992 Dec 31, 1992 Coliform (TCR) MR No No — 5% of samples — Resolved Dec 31, 1992 Total Coliform Rule
Dec 1, 1991 Dec 31, 1991 Coliform (TCR) MR No No — 5% of samples — Resolved Dec 31, 1991 Total Coliform Rule
Jul 1, 1991 Jul 31, 1991 Coliform (TCR) MR No No — 5% of samples — Resolved Jul 31, 1991 Total Coliform Rule
Jun 1, 1976 May 31, 1980 Gross Alpha, Excl. Radon and U MR No No — 15 pCi/L — Archived May 31, 1980 Radionuclides and Revised Rad Rule
Jun 1, 1976 May 31, 1980 Combined Radium (-226 and -228) MR No No — 5 pCi/L — Archived May 31, 1980 Radionuclides and Revised Rad Rule
— — — 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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