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OAKVILLE CITY OF

Washington — Community Water System — PWSID: WA5362750

System Information

PWSIDWA5362750
System NameOAKVILLE CITY OF
System TypeCommunity Water System
Water SourceGround Water
Activity StatusActive
Owner TypeLocal
EPA Region10
Serves SchoolNo
WholesalerNo
First ReportedFeb 7, 1981
Last ReportedDec 11, 2025

Location & Contact

StateWashington
CityOAKVILLE
ZIP Code98568
AddressPO BOX D
OrganizationOAKVILLE CITY OF
Phone—

Population & Service

Population Served1,325
Service Connections372

Drinking Water Violations (147)

This water system has 147 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, 2016 Dec 31, 2016 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2016 Nitrate Rule
Jan 1, 2016 Dec 31, 2016 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2016 Nitrate Rule
Jan 1, 2016 Dec 31, 2016 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2016 Nitrate Rule
Jan 1, 2016 Dec 31, 2016 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2016 Nitrate Rule
Jan 1, 2014 — Lead and Copper Rule MR No No — TT — Resolved Jan 5, 2017 Lead and Copper Rule
Jan 1, 2008 Dec 31, 2010 Heptachlor MR No Yes — 0.0004 mg/L — Resolved Dec 31, 2010 Synthetic Organic Chemicals
Jan 1, 2008 Dec 31, 2010 LASSO MR No Yes — — — Resolved Dec 31, 2010 Synthetic Organic Chemicals
Jan 1, 2008 Dec 31, 2010 Pentachlorophenol MR No Yes — 0.001 mg/L — Archived Dec 31, 2010 Synthetic Organic Chemicals
Jan 1, 2008 Dec 31, 2010 Di(2-ethylhexyl) adipate MR No Yes — 0.4 mg/L — Resolved Dec 31, 2010 Synthetic Organic Chemicals
Jan 1, 2008 Dec 31, 2010 Chlordane MR No Yes — 0.002 mg/L — Resolved Dec 31, 2010 Synthetic Organic Chemicals
Jan 1, 2008 Dec 31, 2010 HEXACHLOROBENZENE MR No Yes — 0.001 mg/L — Resolved Dec 31, 2010 Synthetic Organic Chemicals
Jan 1, 2008 Dec 31, 2010 Endrin MR No Yes — 0.002 mg/L — Resolved Dec 31, 2010 Synthetic Organic Chemicals
Jan 1, 2008 Dec 31, 2010 Heptachlor epoxide MR No Yes — 0.0002 mg/L — Resolved Dec 31, 2010 Synthetic Organic Chemicals
Jan 1, 2008 Dec 31, 2010 Hexachlorocyclopentadiene MR No Yes — 0.05 mg/L — Resolved Dec 31, 2010 Synthetic Organic Chemicals
Jan 1, 2008 Dec 31, 2010 Di(2-ethylhexyl) phthalate MR No Yes — 0.006 mg/L — Resolved Dec 31, 2010 Synthetic Organic Chemicals
Jan 1, 2008 Dec 31, 2010 Simazine MR No Yes — 0.004 mg/L — Resolved Dec 31, 2010 Synthetic Organic Chemicals
Jan 1, 2008 Dec 31, 2010 Toxaphene MR No Yes — 0.003 mg/L — Resolved Dec 31, 2010 Synthetic Organic Chemicals
Jan 1, 2008 Dec 31, 2010 Benzo(a)pyrene MR No Yes — 0.0002 mg/L — Resolved Dec 31, 2010 Synthetic Organic Chemicals
Jan 1, 2008 Dec 31, 2010 Pentachlorophenol MR No Yes — 0.001 mg/L — Resolved Dec 31, 2010 Synthetic Organic Chemicals
Jan 1, 2008 Dec 31, 2010 Methoxychlor MR No Yes — 0.04 mg/L — Resolved Dec 31, 2010 Synthetic Organic Chemicals
Jan 1, 2008 Dec 31, 2010 BHC-GAMMA MR No Yes — 0.0002 mg/L — Resolved Dec 31, 2010 Synthetic Organic Chemicals
Jan 1, 2008 Dec 31, 2010 2,4,5-TP MR No Yes — 0.05 mg/L — Resolved Dec 31, 2010 Synthetic Organic Chemicals
Jan 1, 2008 Dec 31, 2010 Dinoseb MR No Yes — 0.007 mg/L — Resolved Dec 31, 2010 Synthetic Organic Chemicals
Jan 1, 2008 Dec 31, 2010 Picloram MR No Yes — 0.5 mg/L — Resolved Dec 31, 2010 Synthetic Organic Chemicals
Jan 1, 2008 Dec 31, 2010 Atrazine MR No Yes — 0.003 mg/L — Resolved Dec 31, 2010 Synthetic Organic Chemicals
Jan 1, 2008 Dec 31, 2010 Dalapon MR No Yes — 0.2 mg/L — Resolved Dec 31, 2010 Synthetic Organic Chemicals
May 1, 2005 May 31, 2005 Coliform (TCR) MCL Yes No — 5% of samples — Archived May 31, 2005 Total Coliform Rule
Jan 1, 2005 Dec 31, 2007 trans-1,2-Dichloroethylene MR No Yes — 0.1 mg/L — Resolved Dec 31, 2007 Volatile Organic Chemicals
Jan 1, 2005 Dec 31, 2007 Trichloroethylene MR No Yes — 0.005 mg/L — Resolved Dec 31, 2007 Volatile Organic Chemicals
Jan 1, 2005 Dec 31, 2007 trans-1,2-Dichloroethylene MR No Yes — 0.1 mg/L — Resolved Dec 31, 2007 Volatile Organic Chemicals
Jan 1, 2005 Dec 31, 2007 trans-1,2-Dichloroethylene MR No Yes — 0.1 mg/L — Resolved Dec 31, 2007 Volatile Organic Chemicals
Jan 1, 2005 Dec 31, 2007 trans-1,2-Dichloroethylene MR No Yes — 0.1 mg/L — Resolved Dec 31, 2007 Volatile Organic Chemicals
Jan 1, 2005 Dec 31, 2007 trans-1,2-Dichloroethylene MR No Yes — 0.1 mg/L — Resolved Dec 31, 2007 Volatile Organic Chemicals
Jan 1, 2005 Dec 31, 2007 cis-1,2-Dichloroethylene MR No Yes — 0.07 mg/L — Resolved Dec 31, 2007 Volatile Organic Chemicals
Jan 1, 2005 Dec 31, 2007 cis-1,2-Dichloroethylene MR No Yes — 0.07 mg/L — Resolved Dec 31, 2007 Volatile Organic Chemicals
Jan 1, 2005 Dec 31, 2007 cis-1,2-Dichloroethylene MR No Yes — 0.07 mg/L — Resolved Dec 31, 2007 Volatile Organic Chemicals
Jan 1, 2005 Dec 31, 2007 cis-1,2-Dichloroethylene MR No Yes — 0.07 mg/L — Resolved Dec 31, 2007 Volatile Organic Chemicals
Jan 1, 2005 Dec 31, 2007 cis-1,2-Dichloroethylene MR No Yes — 0.07 mg/L — Resolved Dec 31, 2007 Volatile Organic Chemicals
Jan 1, 2005 Dec 31, 2007 Benzene MR No Yes — 0.005 mg/L — Resolved Dec 31, 2007 Volatile Organic Chemicals
Jan 1, 2005 Dec 31, 2007 Benzene MR No Yes — 0.005 mg/L — Resolved Dec 31, 2007 Volatile Organic Chemicals
Jan 1, 2005 Dec 31, 2007 Benzene MR No Yes — 0.005 mg/L — Resolved Dec 31, 2007 Volatile Organic Chemicals
Jan 1, 2005 Dec 31, 2007 Benzene MR No Yes — 0.005 mg/L — Resolved Dec 31, 2007 Volatile Organic Chemicals
Jan 1, 2005 Dec 31, 2007 Benzene MR No Yes — 0.005 mg/L — Resolved Dec 31, 2007 Volatile Organic Chemicals
Jan 1, 2005 Dec 31, 2007 1,2,4-Trichlorobenzene MR No Yes — 0.07 mg/L — Resolved Dec 31, 2007 Volatile Organic Chemicals
Jan 1, 2005 Dec 31, 2007 1,1,1-Trichloroethane MR No Yes — 0.2 mg/L — Resolved Dec 31, 2007 Volatile Organic Chemicals
Jan 1, 2005 Dec 31, 2007 1,2,4-Trichlorobenzene MR No Yes — 0.07 mg/L — Resolved Dec 31, 2007 Volatile Organic Chemicals
Jan 1, 2005 Dec 31, 2007 1,2,4-Trichlorobenzene MR No Yes — 0.07 mg/L — Resolved Dec 31, 2007 Volatile Organic Chemicals
Jan 1, 2005 Dec 31, 2007 1,2,4-Trichlorobenzene MR No Yes — 0.07 mg/L — Resolved Dec 31, 2007 Volatile Organic Chemicals
Jan 1, 2005 Dec 31, 2007 Ethylbenzene MR No Yes — 0.7 mg/L — Resolved Dec 31, 2007 Volatile Organic Chemicals
Jan 1, 2005 Dec 31, 2007 Ethylbenzene MR No Yes — 0.7 mg/L — Resolved Dec 31, 2007 Volatile Organic Chemicals

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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