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TILLAMOOK WATER DEPT, CITY OF

Oregon — Community Water System — PWSID: OR4100893

System Information

PWSIDOR4100893
System NameTILLAMOOK WATER DEPT, 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
CityTILLAMOOK
ZIP Code97141
Address210 LAUREL AVE
OrganizationTILLAMOOK WATER DEPT, CITY OF
Phone503-842-2343

Population & Service

Population Served5,265
Service Connections1,773

Drinking Water Violations (96)

This water system has 96 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, 2025 — Consumer Confidence Rule Other No No — — — Resolved Sep 4, 2025 Consumer Confidence Rule
Oct 29, 2023 — E. COLI MR No Yes — — — Resolved Jul 31, 2024 Ground Water Rule
Jul 1, 2023 — Consumer Confidence Rule Other No No — — — Resolved Aug 24, 2023 Consumer Confidence Rule
Jan 1, 2023 — Lead and Copper Rule MR No No — TT — Resolved Apr 10, 2023 Lead and Copper Rule
Jan 1, 2023 — Lead and Copper Rule MR No No — TT — Resolved May 3, 2023 Lead and Copper Rule
Jul 1, 2022 — Lead and Copper Rule MR No No — TT — Resolved Nov 2, 2022 Lead and Copper Rule
Jul 1, 2022 — Lead and Copper Rule MR No No — TT — Resolved Oct 4, 2022 Lead and Copper Rule
Jul 1, 2022 — Lead and Copper Rule MR No No — TT — Resolved Sep 1, 2022 Lead and Copper Rule
Jul 1, 2022 — Lead and Copper Rule MR No No — TT — Resolved Feb 8, 2023 Lead and Copper Rule
Jan 1, 2022 — Lead and Copper Rule MR No No — TT — Resolved May 9, 2022 Lead and Copper Rule
Jan 1, 2022 — Lead and Copper Rule MR No No — TT — Resolved Jun 9, 2022 Lead and Copper Rule
Jan 1, 2022 — Lead and Copper Rule MR No No — TT — Resolved Jun 9, 2022 Lead and Copper Rule
Jan 1, 2019 Jan 31, 2019 Surface Water Treatment Rule MR No Yes — — — Resolved Jan 31, 2019 Surface Water Treatment Rule
Jan 1, 2019 Jan 31, 2019 Surface Water Treatment Rule MR No Yes — — — Resolved Jan 31, 2019 Surface Water Treatment Rule
Jan 1, 2019 Jan 31, 2019 Surface Water Treatment Rule MR No Yes — — — Resolved Jan 31, 2019 Surface Water Treatment Rule
Oct 1, 2009 Oct 31, 2009 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Resolved Oct 31, 2009 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Oct 1, 2009 Oct 31, 2009 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Resolved Oct 31, 2009 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Oct 1, 2009 Oct 31, 2009 Surface Water Treatment Rule MR No Yes — — — Resolved Oct 31, 2009 Surface Water Treatment Rule
Oct 1, 2009 Oct 31, 2009 Surface Water Treatment Rule MR No Yes — — — Resolved Oct 31, 2009 Surface Water Treatment Rule
Jan 1, 2009 Dec 31, 2009 1,2-Dichloropropane MR No Yes — 0.005 mg/L — Resolved Dec 31, 2009 Volatile Organic Chemicals
Jan 1, 2009 Dec 31, 2009 Ethylbenzene MR No Yes — 0.7 mg/L — Resolved Dec 31, 2009 Volatile Organic Chemicals
Jan 1, 2009 Dec 31, 2009 Ethylbenzene MR No Yes — 0.7 mg/L — Resolved Dec 31, 2009 Volatile Organic Chemicals
Jan 1, 2009 Dec 31, 2009 Toluene MR No Yes — 1 mg/L — Resolved Dec 31, 2009 Volatile Organic Chemicals
Jan 1, 2009 Dec 31, 2009 Toluene MR No Yes — 1 mg/L — Resolved Dec 31, 2009 Volatile Organic Chemicals
Jan 1, 2009 Dec 31, 2009 Benzene MR No Yes — 0.005 mg/L — Resolved Dec 31, 2009 Volatile Organic Chemicals
Jan 1, 2009 Dec 31, 2009 CHLOROBENZENE MR No Yes — 0.1 mg/L — Resolved Dec 31, 2009 Volatile Organic Chemicals
Jan 1, 2009 Dec 31, 2009 DICHLOROMETHANE MR No Yes — 0.005 mg/L — Resolved Dec 31, 2009 Volatile Organic Chemicals
Jan 1, 2009 Dec 31, 2009 DICHLOROMETHANE MR No Yes — 0.005 mg/L — Resolved Dec 31, 2009 Volatile Organic Chemicals
Jan 1, 2009 Dec 31, 2009 Benzene MR No Yes — 0.005 mg/L — Resolved Dec 31, 2009 Volatile Organic Chemicals
Jan 1, 2009 Dec 31, 2009 1,2-Dichloropropane MR No Yes — 0.005 mg/L — Resolved Dec 31, 2009 Volatile Organic Chemicals
Jan 1, 2009 Dec 31, 2009 Trichloroethylene MR No Yes — 0.005 mg/L — Resolved Dec 31, 2009 Volatile Organic Chemicals
Jan 1, 2009 Dec 31, 2009 Trichloroethylene MR No Yes — 0.005 mg/L — Resolved Dec 31, 2009 Volatile Organic Chemicals
Jan 1, 2009 Dec 31, 2009 Styrene MR No Yes — 0.1 mg/L — Resolved Dec 31, 2009 Volatile Organic Chemicals
Jan 1, 2009 Dec 31, 2009 Styrene MR No Yes — 0.1 mg/L — Resolved Dec 31, 2009 Volatile Organic Chemicals
Jan 1, 2009 Dec 31, 2009 trans-1,2-Dichloroethylene MR No Yes — 0.1 mg/L — Resolved Dec 31, 2009 Volatile Organic Chemicals
Jan 1, 2009 Dec 31, 2009 trans-1,2-Dichloroethylene MR No Yes — 0.1 mg/L — Resolved Dec 31, 2009 Volatile Organic Chemicals
Jan 1, 2009 Dec 31, 2009 1,2-Dichloroethane MR No Yes — 0.005 mg/L — Resolved Dec 31, 2009 Volatile Organic Chemicals
Jan 1, 2009 Dec 31, 2009 1,2-Dichloroethane MR No Yes — 0.005 mg/L — Resolved Dec 31, 2009 Volatile Organic Chemicals
Jan 1, 2009 Dec 31, 2009 Tetrachloroethylene MR No Yes — 0.005 mg/L — Resolved Dec 31, 2009 Volatile Organic Chemicals
Jan 1, 2009 Dec 31, 2009 1,1,2-Trichloroethane MR No Yes — 0.005 mg/L — Resolved Dec 31, 2009 Volatile Organic Chemicals
Jan 1, 2009 Dec 31, 2009 1,1,2-Trichloroethane MR No Yes — 0.005 mg/L — Resolved Dec 31, 2009 Volatile Organic Chemicals
Jan 1, 2009 Dec 31, 2009 Tetrachloroethylene MR No Yes — 0.005 mg/L — Resolved Dec 31, 2009 Volatile Organic Chemicals
Jan 1, 2009 Dec 31, 2009 Carbon tetrachloride MR No Yes — 0.005 mg/L — Resolved Dec 31, 2009 Volatile Organic Chemicals
Jan 1, 2009 Dec 31, 2009 CHLOROBENZENE MR No Yes — 0.1 mg/L — Resolved Dec 31, 2009 Volatile Organic Chemicals
Jan 1, 2009 Dec 31, 2009 1,2,4-Trichlorobenzene MR No Yes — 0.07 mg/L — Resolved Dec 31, 2009 Volatile Organic Chemicals
Jan 1, 2009 Dec 31, 2009 1,2,4-Trichlorobenzene MR No Yes — 0.07 mg/L — Resolved Dec 31, 2009 Volatile Organic Chemicals
Jan 1, 2009 Dec 31, 2009 cis-1,2-Dichloroethylene MR No Yes — 0.07 mg/L — Resolved Dec 31, 2009 Volatile Organic Chemicals
Jan 1, 2009 Dec 31, 2009 cis-1,2-Dichloroethylene MR No Yes — 0.07 mg/L — Resolved Dec 31, 2009 Volatile Organic Chemicals
Jan 1, 2009 Dec 31, 2009 Xylenes, Total MR No Yes — 10 mg/L — Resolved Dec 31, 2009 Volatile Organic Chemicals
Jan 1, 2009 Dec 31, 2009 Xylenes, Total MR No Yes — 10 mg/L — Resolved Dec 31, 2009 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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