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SUQUAMISH REGIONAL PUBLIC WATER SYSTEM

Washington — Non-Transient Non-Community — PWSID: 105338117

System Information

PWSID105338117
System NameSUQUAMISH REGIONAL PUBLIC WATER SYSTEM
System TypeNon-Transient Non-Community
Water SourceGround Water
Activity StatusActive
Owner TypeNative American
EPA Region10
Serves SchoolYes
WholesalerYes
First ReportedMar 2, 2015
Last ReportedDec 30, 2025

Location & Contact

StateWashington
CitySUQUAMISH
ZIP Code98392
Address15347 Suquamish Way NE
OrganizationTONKS, ALEX
Phone—

Population & Service

Population Served1,874
Service Connections9

Drinking Water Violations (137)

This water system has 137 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 — Revised Total Coliform Rule RPT No No — — — Resolved Aug 18, 2025 Revised Total Coliform Rule
Jul 1, 2025 Jul 31, 2025 Chlorine MR No Yes — 4.0 mg/L — Resolved Jul 31, 2025 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2025 Dec 31, 2025 TTHM MR No Yes — 0.080 mg/L — Unaddressed — Stage 2 Disinfectants and Disinfection Byproducts Rule
Jun 1, 2024 — Revised Total Coliform Rule RPT No No — — — Resolved Jul 16, 2024 Revised Total Coliform Rule
Jun 1, 2024 Jun 30, 2024 Chlorine MR No Yes — 4.0 mg/L — Resolved Jun 30, 2024 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2024 Dec 31, 2024 1,2-Dichloroethane MR No Yes — 0.005 mg/L — Resolved Jun 3, 2024 Volatile Organic Chemicals
Jan 1, 2024 Dec 31, 2024 Carbon tetrachloride MR No Yes — 0.005 mg/L — Resolved Jun 3, 2024 Volatile Organic Chemicals
Jan 1, 2024 Dec 31, 2024 1,2-Dichloropropane MR No Yes — 0.005 mg/L — Resolved Jun 3, 2024 Volatile Organic Chemicals
Jan 1, 2024 Dec 31, 2024 1,2,4-Trichlorobenzene MR No Yes — 0.07 mg/L — Resolved Jun 3, 2024 Volatile Organic Chemicals
Jan 1, 2024 Dec 31, 2024 p-Dichlorobenzene MR No Yes — 0.075 mg/L — Resolved Jun 3, 2024 Volatile Organic Chemicals
Jan 1, 2024 Mar 31, 2024 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 31, 2024 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2024 Dec 31, 2024 CHLOROBENZENE MR No Yes — 0.1 mg/L — Resolved Jun 3, 2024 Volatile Organic Chemicals
Jan 1, 2024 Dec 31, 2024 Trichloroethylene MR No Yes — 0.005 mg/L — Resolved Jun 3, 2024 Volatile Organic Chemicals
Jan 1, 2024 Dec 31, 2024 Styrene MR No Yes — 0.1 mg/L — Resolved Jun 3, 2024 Volatile Organic Chemicals
Jan 1, 2024 Dec 31, 2024 Toluene MR No Yes — 1 mg/L — Resolved Jun 3, 2024 Volatile Organic Chemicals
Jan 1, 2024 Dec 31, 2024 Tetrachloroethylene MR No Yes — 0.005 mg/L — Resolved Jun 3, 2024 Volatile Organic Chemicals
Jan 1, 2024 Dec 31, 2024 1,1,2-Trichloroethane MR No Yes — 0.005 mg/L — Resolved Jun 3, 2024 Volatile Organic Chemicals
Jan 1, 2024 Dec 31, 2024 1,1,1-Trichloroethane MR No Yes — 0.2 mg/L — Resolved Jun 3, 2024 Volatile Organic Chemicals
Jan 1, 2024 Dec 31, 2024 trans-1,2-Dichloroethylene MR No Yes — 0.1 mg/L — Resolved Jun 3, 2024 Volatile Organic Chemicals
Jan 1, 2024 Dec 31, 2024 1,1-Dichloroethylene MR No Yes — 0.007 mg/L — Resolved Jun 3, 2024 Volatile Organic Chemicals
Jan 1, 2024 Dec 31, 2024 Vinyl chloride MR No Yes — 0.002 mg/L — Resolved Jun 3, 2024 Volatile Organic Chemicals
Jan 1, 2024 Dec 31, 2024 o-Dichlorobenzene MR No Yes — 0.6 mg/L — Resolved Jun 3, 2024 Volatile Organic Chemicals
Jan 1, 2024 Dec 31, 2024 DICHLOROMETHANE MR No Yes — 0.005 mg/L — Resolved Jun 3, 2024 Volatile Organic Chemicals
Jan 1, 2024 Dec 31, 2024 Xylenes, Total MR No Yes — 10 mg/L — Resolved Jun 3, 2024 Volatile Organic Chemicals
Jan 1, 2024 Dec 31, 2024 cis-1,2-Dichloroethylene MR No Yes — 0.07 mg/L — Resolved Jun 3, 2024 Volatile Organic Chemicals
Jan 1, 2023 Dec 31, 2023 TTHM MR No Yes — 0.080 mg/L — Resolved Dec 31, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2022 — Revised Total Coliform Rule RPT No No — — — Resolved Nov 17, 2022 Revised Total Coliform Rule
Oct 1, 2022 Dec 31, 2022 Arsenic MR No Yes — 0.010 mg/L — Resolved Dec 31, 2022 Arsenic Rule
Jul 1, 2022 Jul 31, 2022 Revised Total Coliform Rule MON No No — — — Resolved Jul 31, 2022 Revised Total Coliform Rule
Dec 1, 2020 Dec 31, 2020 Revised Total Coliform Rule MON No No — — — Resolved Dec 31, 2020 Revised Total Coliform Rule
Nov 1, 2020 Nov 30, 2020 Revised Total Coliform Rule MON No No — — — Resolved Nov 30, 2020 Revised Total Coliform Rule
Oct 1, 2020 Oct 31, 2020 Revised Total Coliform Rule MON No No — — — Resolved Oct 31, 2020 Revised Total Coliform Rule
Jan 1, 2020 Dec 31, 2022 2,3,7,8-TCDD MR No Yes — 0.00000003 mg/L — Resolved Dec 31, 2022 Synthetic Organic Chemicals
Jan 1, 2020 Dec 31, 2022 Atrazine MR No Yes — 0.003 mg/L — Resolved Dec 31, 2022 Synthetic Organic Chemicals
Jan 1, 2020 Dec 31, 2022 Endothall MR No Yes — 0.1 mg/L — Resolved Dec 31, 2022 Synthetic Organic Chemicals
Jan 1, 2020 Dec 31, 2020 p-Dichlorobenzene MR No Yes — 0.075 mg/L — Resolved Dec 31, 2020 Volatile Organic Chemicals
Jan 1, 2020 Dec 31, 2020 Ethylbenzene MR No Yes — 0.7 mg/L — Resolved Dec 31, 2020 Volatile Organic Chemicals
Jan 1, 2020 Dec 31, 2022 1,2-DIBROMO-3-CHLOROPROPANE MR No Yes — 0.0002 mg/L — Resolved Dec 31, 2022 Synthetic Organic Chemicals
Jan 1, 2020 Dec 31, 2022 Di(2-ethylhexyl) adipate MR No Yes — 0.4 mg/L — Resolved Dec 31, 2022 Synthetic Organic Chemicals
Jan 1, 2020 Dec 31, 2020 Vinyl chloride MR No Yes — 0.002 mg/L — Resolved Dec 31, 2020 Volatile Organic Chemicals
Jan 1, 2020 Dec 31, 2020 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2020 Nitrate Rule
Jan 1, 2020 Dec 31, 2022 Total Polychlorinated Biphenyls (PCB) MR No Yes — 0.0005 mg/L — Resolved Dec 31, 2022 Synthetic Organic Chemicals
Jan 1, 2020 Dec 31, 2022 Benzo(a)pyrene MR No Yes — 0.0002 mg/L — Resolved Dec 31, 2022 Synthetic Organic Chemicals
Jan 1, 2020 Dec 31, 2022 2,4,5-TP MR No Yes — 0.05 mg/L — Resolved Dec 31, 2022 Synthetic Organic Chemicals
Jan 1, 2020 Dec 31, 2022 Simazine MR No Yes — 0.004 mg/L — Resolved Dec 31, 2022 Synthetic Organic Chemicals
Jan 1, 2020 Dec 31, 2022 Diquat MR No Yes — 0.02 mg/L — Resolved Dec 31, 2022 Synthetic Organic Chemicals
Jan 1, 2020 Dec 31, 2022 Toxaphene MR No Yes — 0.003 mg/L — Resolved Dec 31, 2022 Synthetic Organic Chemicals
Jan 1, 2020 Dec 31, 2022 Endrin MR No Yes — 0.002 mg/L — Resolved Dec 31, 2022 Synthetic Organic Chemicals
Jan 1, 2020 Dec 31, 2020 Toluene MR No Yes — 1 mg/L — Resolved Dec 31, 2020 Volatile Organic Chemicals
Jan 1, 2020 Dec 31, 2022 Hexachlorocyclopentadiene MR No Yes — 0.05 mg/L — Resolved Dec 31, 2022 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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