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Tahuya River Valley Water District

Washington — Community Water System — PWSID: WA5387115

System Information

PWSIDWA5387115
System NameTahuya River Valley Water District
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
CityShelton
ZIP Code98584-5034
AddressPO Box 2026
OrganizationTahuya River Valley Water District
Phone—

Population & Service

Population Served367
Service Connections164

Drinking Water Violations (277)

This water system has 277 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
Jul 1, 2024 — Consumer Confidence Rule Other No No — — — Resolved Mar 13, 2025 Consumer Confidence Rule
Jan 1, 2021 Dec 31, 2021 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2021 Nitrate Rule
Jan 1, 2013 Dec 31, 2013 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2013 Nitrate Rule
Jan 1, 2009 — Lead and Copper Rule MR No No — TT — Resolved Dec 31, 2009 Lead and Copper Rule
Jan 1, 2009 — Lead and Copper Rule MR No No — TT — Resolved Dec 31, 2009 Lead and Copper Rule
Jan 1, 2009 — Lead and Copper Rule MR No No — TT — Resolved Dec 31, 2009 Lead and Copper Rule
Jan 1, 2009 — Lead and Copper Rule MR No No — TT — Resolved Dec 31, 2009 Lead and Copper Rule
Jan 1, 2009 — Lead and Copper Rule MR No No — TT — Resolved Dec 31, 2009 Lead and Copper Rule
Jan 1, 2009 — Lead and Copper Rule MR No No — TT — Resolved Dec 31, 2009 Lead and Copper Rule
Jan 1, 2009 — Lead and Copper Rule MR No No — TT — Resolved Dec 31, 2009 Lead and Copper Rule
Jan 1, 2009 — Lead and Copper Rule MR No No — TT — Resolved Dec 31, 2009 Lead and Copper Rule
Jan 1, 2009 — Lead and Copper Rule MR No No — TT — Resolved Dec 31, 2009 Lead and Copper Rule
Jan 1, 2009 — Lead and Copper Rule MR No No — TT — Resolved Dec 31, 2009 Lead and Copper Rule
Jan 1, 2005 Dec 31, 2007 Simazine MR No Yes — 0.004 mg/L — Resolved Dec 31, 2007 Synthetic Organic Chemicals
Jan 1, 2005 Dec 31, 2007 Hexachlorocyclopentadiene MR No Yes — 0.05 mg/L — Resolved Dec 31, 2007 Synthetic Organic Chemicals
Jan 1, 2005 Dec 31, 2007 Dinoseb MR No Yes — 0.007 mg/L — Resolved Dec 31, 2007 Synthetic Organic Chemicals
Jan 1, 2005 Dec 31, 2007 Pentachlorophenol MR No Yes — 0.001 mg/L — Resolved Dec 31, 2007 Synthetic Organic Chemicals
Jan 1, 2005 Dec 31, 2007 Benzo(a)pyrene MR No Yes — 0.0002 mg/L — Resolved Dec 31, 2007 Synthetic Organic Chemicals
Jan 1, 2005 Dec 31, 2007 CYANIDE MR No Yes — 0.2 mg/L — Resolved Dec 31, 2007 Inorganic Chemicals
Jan 1, 2005 Dec 31, 2007 Chlordane MR No Yes — 0.002 mg/L — Resolved Dec 31, 2007 Synthetic Organic Chemicals
Jan 1, 2005 Dec 31, 2007 o-Dichlorobenzene MR No Yes — 0.6 mg/L — Resolved Dec 31, 2007 Volatile Organic Chemicals
Jan 1, 2005 Dec 31, 2007 DICHLOROMETHANE MR No Yes — 0.005 mg/L — Resolved Dec 31, 2007 Volatile Organic Chemicals
Jan 1, 2005 Dec 31, 2007 LASSO MR No Yes — — — Resolved Dec 31, 2007 Synthetic Organic Chemicals
Jan 1, 2005 Dec 31, 2007 Dalapon MR No Yes — 0.2 mg/L — Resolved Dec 31, 2007 Synthetic Organic Chemicals
Jan 1, 2005 Dec 31, 2007 Dinoseb MR No Yes — 0.007 mg/L — Resolved Dec 31, 2007 Synthetic Organic Chemicals
Jan 1, 2005 Dec 31, 2007 Endrin MR No Yes — 0.002 mg/L — Resolved Dec 31, 2007 Synthetic Organic Chemicals
Jan 1, 2005 Dec 31, 2007 BHC-GAMMA MR No Yes — 0.0002 mg/L — Resolved Dec 31, 2007 Synthetic Organic Chemicals
Jan 1, 2005 Dec 31, 2007 Toxaphene MR No Yes — 0.003 mg/L — Resolved Dec 31, 2007 Synthetic Organic Chemicals
Jan 1, 2005 Dec 31, 2007 Di(2-ethylhexyl) phthalate MR No Yes — 0.006 mg/L — Resolved Dec 31, 2007 Synthetic Organic Chemicals
Jan 1, 2005 Dec 31, 2007 Selenium MR No Yes — 0.05 mg/L — Resolved Dec 31, 2007 Inorganic Chemicals
Jan 1, 2005 Dec 31, 2007 CHLOROBENZENE MR No Yes — 0.1 mg/L — Resolved Dec 31, 2007 Volatile Organic Chemicals
Jan 1, 2005 Dec 31, 2007 Toxaphene MR No Yes — 0.003 mg/L — Resolved Dec 31, 2007 Synthetic Organic Chemicals
Jan 1, 2005 Dec 31, 2007 Dinoseb MR No Yes — 0.007 mg/L — Resolved Dec 31, 2007 Synthetic Organic Chemicals
Jan 1, 2005 Dec 31, 2007 Nickel MR No Yes — — — Resolved Dec 31, 2007 Inorganic 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 1,1-Dichloroethylene MR No Yes — 0.007 mg/L — Resolved Dec 31, 2007 Volatile Organic Chemicals
Jan 1, 2005 Dec 31, 2007 Atrazine MR No Yes — 0.003 mg/L — Resolved Dec 31, 2007 Synthetic 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 cis-1,2-Dichloroethylene 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 Tetrachloroethylene MR No Yes — 0.005 mg/L — Resolved Dec 31, 2007 Volatile Organic Chemicals
Jan 1, 2005 Dec 31, 2007 Di(2-ethylhexyl) adipate MR No Yes — 0.4 mg/L — Resolved Dec 31, 2007 Synthetic Organic Chemicals
Jan 1, 2005 Dec 31, 2007 Di(2-ethylhexyl) adipate MR No Yes — 0.4 mg/L — Resolved Dec 31, 2007 Synthetic Organic Chemicals
Jan 1, 2005 Dec 31, 2007 1,2-Dichloroethane MR No Yes — 0.005 mg/L — Resolved Dec 31, 2007 Volatile Organic Chemicals
Jan 1, 2005 Dec 31, 2007 Endrin MR No Yes — 0.002 mg/L — Resolved Dec 31, 2007 Synthetic Organic Chemicals
Jan 1, 2005 Dec 31, 2007 Styrene MR No Yes — 0.1 mg/L — Resolved Dec 31, 2007 Volatile Organic Chemicals
Jan 1, 2005 Dec 31, 2007 Toluene MR No Yes — 1 mg/L — Resolved Dec 31, 2007 Volatile Organic Chemicals
Jan 1, 2005 Dec 31, 2007 1,1,2-Trichloroethane MR No Yes — 0.005 mg/L — Resolved Dec 31, 2007 Volatile Organic Chemicals
Jan 1, 2005 Dec 31, 2007 Antimony, Total MR No Yes — 0.006 mg/L — Resolved Dec 31, 2007 Inorganic Chemicals
Jan 1, 2005 Dec 31, 2007 Arsenic MR No Yes — 0.010 mg/L — Resolved Dec 31, 2007 Arsenic 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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