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WASHTUCNA WATER DEPARTMENT

Washington — Community Water System — PWSID: WA5393450

System Information

PWSIDWA5393450
System NameWASHTUCNA WATER DEPARTMENT
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
CityWashtucna
ZIP Code99371
Address165 SE Main St
OrganizationWASHTUCNA WATER DEPARTMENT
Phone—

Population & Service

Population Served250
Service Connections150

Drinking Water Violations (76)

This water system has 76 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, 2017 — Consumer Confidence Rule Other No No — — — Resolved Feb 8, 2018 Consumer Confidence Rule
Jan 1, 2016 Dec 31, 2016 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Dec 31, 2016 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2016 Dec 31, 2018 TTHM MR No Yes — 0.080 mg/L — Resolved Dec 31, 2018 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2016 Dec 31, 2018 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Dec 31, 2018 Stage 2 Disinfectants and Disinfection Byproducts 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
Jun 1, 2015 Jun 30, 2015 Coliform (TCR) MR No No — 5% of samples — Resolved Jun 30, 2015 Total Coliform Rule
Jan 1, 2015 Jan 31, 2015 Coliform (TCR) MR No No — 5% of samples — Resolved Jan 31, 2015 Total Coliform Rule
Jul 1, 2014 — Consumer Confidence Rule Other No No — — — Resolved Dec 26, 2014 Consumer Confidence Rule
Jun 1, 2014 Jun 30, 2014 Coliform (TCR) MR No No — 5% of samples — Resolved Jun 30, 2014 Total Coliform Rule
May 1, 2014 May 31, 2014 Coliform (TCR) MR No No — 5% of samples — Resolved May 31, 2014 Total Coliform Rule
Jan 1, 2014 Dec 31, 2016 LASSO MR No Yes — — — Resolved Dec 31, 2016 Synthetic Organic Chemicals
Jan 1, 2014 Dec 31, 2016 Pentachlorophenol MR No Yes — 0.001 mg/L — Resolved Dec 31, 2016 Synthetic Organic Chemicals
Jan 1, 2014 Dec 31, 2016 Chlordane MR No Yes — 0.002 mg/L — Resolved Dec 31, 2016 Synthetic Organic Chemicals
Jan 1, 2014 Dec 31, 2016 Benzo(a)pyrene MR No Yes — 0.0002 mg/L — Resolved Dec 31, 2016 Synthetic Organic Chemicals
Jan 1, 2014 Dec 31, 2016 Endrin MR No Yes — 0.002 mg/L — Resolved Dec 31, 2016 Synthetic Organic Chemicals
Jan 1, 2014 Dec 31, 2016 Heptachlor epoxide MR No Yes — 0.0002 mg/L — Resolved Dec 31, 2016 Synthetic Organic Chemicals
Jan 1, 2014 Dec 31, 2016 Toxaphene MR No Yes — 0.003 mg/L — Resolved Dec 31, 2016 Synthetic Organic Chemicals
Jan 1, 2014 Dec 31, 2016 Hexachlorocyclopentadiene MR No Yes — 0.05 mg/L — Resolved Dec 31, 2016 Synthetic Organic Chemicals
Jan 1, 2014 — Lead and Copper Rule MR No No — TT — Resolved Nov 17, 2017 Lead and Copper Rule
Jan 1, 2014 Dec 31, 2016 HEXACHLOROBENZENE MR No Yes — 0.001 mg/L — Resolved Dec 31, 2016 Synthetic Organic Chemicals
Jan 1, 2014 Dec 31, 2016 Heptachlor MR No Yes — 0.0004 mg/L — Resolved Dec 31, 2016 Synthetic Organic Chemicals
Jan 1, 2014 Dec 31, 2016 Simazine MR No Yes — 0.004 mg/L — Resolved Dec 31, 2016 Synthetic Organic Chemicals
Jan 1, 2014 Dec 31, 2016 Di(2-ethylhexyl) adipate MR No Yes — 0.4 mg/L — Resolved Dec 31, 2016 Synthetic Organic Chemicals
Jan 1, 2014 Dec 31, 2016 Methoxychlor MR No Yes — 0.04 mg/L — Resolved Dec 31, 2016 Synthetic Organic Chemicals
Jan 1, 2014 Dec 31, 2016 2,4,5-TP MR No Yes — 0.05 mg/L — Resolved Dec 31, 2016 Synthetic Organic Chemicals
Jan 1, 2014 Dec 31, 2016 Dinoseb MR No Yes — 0.007 mg/L — Resolved Dec 31, 2016 Synthetic Organic Chemicals
Jan 1, 2014 Dec 31, 2016 Dalapon MR No Yes — 0.2 mg/L — Resolved Dec 31, 2016 Synthetic Organic Chemicals
Jan 1, 2014 Dec 31, 2016 Picloram MR No Yes — 0.5 mg/L — Resolved Dec 31, 2016 Synthetic Organic Chemicals
Jan 1, 2014 Dec 31, 2016 BHC-GAMMA MR No Yes — 0.0002 mg/L — Resolved Dec 31, 2016 Synthetic Organic Chemicals
Jan 1, 2014 Dec 31, 2014 TTHM MR No Yes — 0.080 mg/L — Resolved Dec 31, 2014 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2014 Dec 31, 2014 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Dec 31, 2014 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2014 Dec 31, 2016 Atrazine MR No Yes — 0.003 mg/L — Resolved Dec 31, 2016 Synthetic Organic Chemicals
Jan 1, 2014 Dec 31, 2016 Di(2-ethylhexyl) phthalate MR No Yes — 0.006 mg/L — Resolved Dec 31, 2016 Synthetic Organic Chemicals
Jan 1, 2011 Dec 31, 2019 Selenium MR No Yes — 0.05 mg/L — Archived Dec 31, 2019 Inorganic Chemicals
Jan 1, 2011 Dec 31, 2019 Chromium MR No Yes — 0.1 mg/L — Archived Dec 31, 2019 Inorganic Chemicals
Jan 1, 2011 Dec 31, 2019 Arsenic MR No Yes — 0.010 mg/L — Archived Dec 31, 2019 Arsenic Rule
Jan 1, 2011 Dec 31, 2019 Barium MR No Yes — 2 mg/L — Archived Dec 31, 2019 Inorganic Chemicals
Jan 1, 2011 Dec 31, 2019 Mercury MR No Yes — 0.002 mg/L — Archived Dec 31, 2019 Inorganic Chemicals
Jan 1, 2011 Dec 31, 2019 Nickel MR No Yes — — — Archived Dec 31, 2019 Inorganic Chemicals
Jan 1, 2011 Dec 31, 2019 Antimony, Total MR No Yes — 0.006 mg/L — Archived Dec 31, 2019 Inorganic Chemicals
Jan 1, 2011 Dec 31, 2019 Thallium, Total MR No Yes — 0.002 mg/L — Archived Dec 31, 2019 Inorganic Chemicals
Jan 1, 2011 Dec 31, 2019 CYANIDE MR No Yes — 0.2 mg/L — Archived Dec 31, 2019 Inorganic Chemicals
Jan 1, 2011 Dec 31, 2019 Nitrite MR No Yes — 1 mg/L — Archived Dec 31, 2019 Nitrate Rule
Jan 1, 2011 Dec 31, 2019 Beryllium, Total MR No Yes — 0.004 mg/L — Archived Dec 31, 2019 Inorganic Chemicals
Jan 1, 2011 Dec 31, 2019 Fluoride MR No Yes — 4.0 mg/L — Archived Dec 31, 2019 Inorganic Chemicals
Jan 1, 2011 Dec 31, 2019 Cadmium MR No Yes — 0.005 mg/L — Archived Dec 31, 2019 Inorganic Chemicals
Jan 1, 2007 — Lead and Copper Rule MR No No — TT — Resolved Dec 31, 2007 Lead and Copper Rule
Jan 1, 2007 — Lead and Copper Rule MR No No — TT — Resolved Dec 31, 2007 Lead and Copper Rule
Jan 1, 2007 — Lead and Copper Rule MR No No — TT — Resolved Dec 31, 2007 Lead and Copper 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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