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YACOLT

Washington — Community Water System — PWSID: WA5399000

System Information

PWSIDWA5399000
System NameYACOLT
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
CityVancouver
ZIP Code98668
AddressPO Box 8900
OrganizationYACOLT
Phone—

Population & Service

Population Served3,034
Service Connections700

Drinking Water Violations (78)

This water system has 78 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
Oct 2, 2022 — Lead and Copper Rule TT Yes No — TT — Resolved Mar 22, 2023 Lead and Copper Rule
Jul 1, 2010 — Consumer Confidence Rule Other No No — — — Resolved Oct 14, 2010 Consumer Confidence Rule
Jan 1, 2002 Dec 31, 2004 Atrazine MR No Yes — 0.003 mg/L — Archived Dec 31, 2004 Synthetic Organic Chemicals
Jan 1, 2002 Dec 31, 2004 Pentachlorophenol MR No Yes — 0.001 mg/L — Archived Dec 31, 2004 Synthetic Organic Chemicals
Jan 1, 2002 Dec 31, 2004 Endrin MR No Yes — 0.002 mg/L — Archived Dec 31, 2004 Synthetic Organic Chemicals
Jan 1, 2002 Dec 31, 2004 HEXACHLOROBENZENE MR No Yes — 0.001 mg/L — Archived Dec 31, 2004 Synthetic Organic Chemicals
Jan 1, 2002 Dec 31, 2004 Aldicarb MR No Yes — — — Archived Dec 31, 2004 Synthetic Organic Chemicals
Jan 1, 2002 Dec 31, 2004 Benzo(a)pyrene MR No Yes — 0.0002 mg/L — Archived Dec 31, 2004 Synthetic Organic Chemicals
Jan 1, 2002 Dec 31, 2004 Di(2-ethylhexyl) adipate MR No Yes — 0.4 mg/L — Archived Dec 31, 2004 Synthetic Organic Chemicals
Jan 1, 2002 Dec 31, 2004 Pentachlorophenol MR No Yes — 0.001 mg/L — Archived Dec 31, 2004 Synthetic Organic Chemicals
Jan 1, 2002 Dec 31, 2004 BHC-GAMMA MR No Yes — 0.0002 mg/L — Archived Dec 31, 2004 Synthetic Organic Chemicals
Jan 1, 2002 Dec 31, 2004 Carbofuran MR No Yes — 0.04 mg/L — Archived Dec 31, 2004 Synthetic Organic Chemicals
Jan 1, 2002 Dec 31, 2004 Picloram MR No Yes — 0.5 mg/L — Archived Dec 31, 2004 Synthetic Organic Chemicals
Jan 1, 2002 Dec 31, 2004 Methoxychlor MR No Yes — 0.04 mg/L — Archived Dec 31, 2004 Synthetic Organic Chemicals
Jan 1, 2002 Dec 31, 2004 Hexachlorocyclopentadiene MR No Yes — 0.05 mg/L — Archived Dec 31, 2004 Synthetic Organic Chemicals
Jan 1, 2002 Dec 31, 2004 Aldicarb MR No Yes — — — Archived Dec 31, 2004 Synthetic Organic Chemicals
Jan 1, 2002 Dec 31, 2004 Simazine MR No Yes — 0.004 mg/L — Archived Dec 31, 2004 Synthetic Organic Chemicals
Jan 1, 2002 Dec 31, 2004 Endrin MR No Yes — 0.002 mg/L — Archived Dec 31, 2004 Synthetic Organic Chemicals
Jan 1, 2002 Dec 31, 2004 Aldicarb sulfoxide MR No Yes — — — Archived Dec 31, 2004 Synthetic Organic Chemicals
Jan 1, 2002 Dec 31, 2004 Heptachlor MR No Yes — 0.0004 mg/L — Archived Dec 31, 2004 Synthetic Organic Chemicals
Jan 1, 2002 Dec 31, 2004 Aldicarb sulfone MR No Yes — — — Archived Dec 31, 2004 Synthetic Organic Chemicals
Jan 1, 2002 Dec 31, 2004 Dinoseb MR No Yes — 0.007 mg/L — Archived Dec 31, 2004 Synthetic Organic Chemicals
Jan 1, 2002 Dec 31, 2004 LASSO MR No Yes — — — Archived Dec 31, 2004 Synthetic Organic Chemicals
Jan 1, 2002 Dec 31, 2004 Toxaphene MR No Yes — 0.003 mg/L — Archived Dec 31, 2004 Synthetic Organic Chemicals
Jan 1, 2002 Dec 31, 2004 Heptachlor epoxide MR No Yes — 0.0002 mg/L — Archived Dec 31, 2004 Synthetic Organic Chemicals
Jan 1, 2002 Dec 31, 2004 Benzo(a)pyrene MR No Yes — 0.0002 mg/L — Archived Dec 31, 2004 Synthetic Organic Chemicals
Jan 1, 2002 Dec 31, 2004 Heptachlor epoxide MR No Yes — 0.0002 mg/L — Archived Dec 31, 2004 Synthetic Organic Chemicals
Jan 1, 2002 Dec 31, 2004 OXAMYL MR No Yes — 0.2 mg/L — Archived Dec 31, 2004 Synthetic Organic Chemicals
Jan 1, 2002 Dec 31, 2004 Hexachlorocyclopentadiene MR No Yes — 0.05 mg/L — Archived Dec 31, 2004 Synthetic Organic Chemicals
Jan 1, 2002 Dec 31, 2004 Di(2-ethylhexyl) phthalate MR No Yes — 0.006 mg/L — Archived Dec 31, 2004 Synthetic Organic Chemicals
Jan 1, 2002 Dec 31, 2004 Pentachlorophenol MR No Yes — 0.001 mg/L — Archived Dec 31, 2004 Synthetic Organic Chemicals
Jan 1, 2002 Dec 31, 2004 Carbofuran MR No Yes — 0.04 mg/L — Archived Dec 31, 2004 Synthetic Organic Chemicals
Jan 1, 2002 Dec 31, 2004 Picloram MR No Yes — 0.5 mg/L — Archived Dec 31, 2004 Synthetic Organic Chemicals
Jan 1, 2002 Dec 31, 2004 Di(2-ethylhexyl) phthalate MR No Yes — 0.006 mg/L — Archived Dec 31, 2004 Synthetic Organic Chemicals
Jan 1, 2002 Dec 31, 2004 Simazine MR No Yes — 0.004 mg/L — Archived Dec 31, 2004 Synthetic Organic Chemicals
Jan 1, 2002 Dec 31, 2004 Dalapon MR No Yes — 0.2 mg/L — Archived Dec 31, 2004 Synthetic Organic Chemicals
Jan 1, 2002 Dec 31, 2004 Atrazine MR No Yes — 0.003 mg/L — Archived Dec 31, 2004 Synthetic Organic Chemicals
Jan 1, 2002 Dec 31, 2004 OXAMYL MR No Yes — 0.2 mg/L — Archived Dec 31, 2004 Synthetic Organic Chemicals
Jan 1, 2002 Dec 31, 2004 Di(2-ethylhexyl) adipate MR No Yes — 0.4 mg/L — Archived Dec 31, 2004 Synthetic Organic Chemicals
Jan 1, 2002 Dec 31, 2004 Dinoseb MR No Yes — 0.007 mg/L — Archived Dec 31, 2004 Synthetic Organic Chemicals
Jan 1, 2002 Dec 31, 2004 Dalapon MR No Yes — 0.2 mg/L — Archived Dec 31, 2004 Synthetic Organic Chemicals
Jan 1, 2002 Dec 31, 2004 2,4,5-TP MR No Yes — 0.05 mg/L — Archived Dec 31, 2004 Synthetic Organic Chemicals
Jan 1, 2002 Dec 31, 2004 Toxaphene MR No Yes — 0.003 mg/L — Archived Dec 31, 2004 Synthetic Organic Chemicals
Jan 1, 2002 Dec 31, 2004 HEXACHLOROBENZENE MR No Yes — 0.001 mg/L — Archived Dec 31, 2004 Synthetic Organic Chemicals
Jan 1, 2002 Dec 31, 2004 Chlordane MR No Yes — 0.002 mg/L — Archived Dec 31, 2004 Synthetic Organic Chemicals
Jan 1, 2002 Dec 31, 2004 Aldicarb sulfoxide MR No Yes — — — Archived Dec 31, 2004 Synthetic Organic Chemicals
Jan 1, 2002 Dec 31, 2004 2,4,5-TP MR No Yes — 0.05 mg/L — Archived Dec 31, 2004 Synthetic Organic Chemicals
Jan 1, 2002 Dec 31, 2004 BHC-GAMMA MR No Yes — 0.0002 mg/L — Archived Dec 31, 2004 Synthetic Organic Chemicals
Jan 1, 2002 Dec 31, 2004 Pentachlorophenol MR No Yes — 0.001 mg/L — Archived Dec 31, 2004 Synthetic Organic Chemicals
Jan 1, 2002 Dec 31, 2004 Methoxychlor MR No Yes — 0.04 mg/L — Archived Dec 31, 2004 Synthetic 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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