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LAKE MARGARET WATER SYSTEM

Washington — Community Water System — PWSID: WA5344200

System Information

PWSIDWA5344200
System NameLAKE MARGARET WATER SYSTEM
System TypeCommunity Water System
Water SourceSurface Water
Activity StatusActive
Owner TypePrivate
EPA Region10
Serves SchoolNo
WholesalerNo
First ReportedFeb 7, 1981
Last ReportedDec 11, 2025

Location & Contact

StateWashington
CityCarnation
ZIP Code98014
AddressPO Box 261
OrganizationLAKE MARGARET WATER SYSTEM
Phone—

Population & Service

Population Served406
Service Connections152

Drinking Water Violations (240)

This water system has 240 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 Oct 8, 2025 Consumer Confidence Rule
Jan 1, 2024 Mar 31, 2024 Vinyl chloride MR No Yes — 0.002 mg/L — Resolved Mar 31, 2024 Volatile Organic Chemicals
Jan 1, 2024 Mar 31, 2024 1,1-Dichloroethylene MR No Yes — 0.007 mg/L — Resolved Mar 31, 2024 Volatile Organic Chemicals
Jan 1, 2024 Mar 31, 2024 p-Dichlorobenzene MR No Yes — 0.075 mg/L — Resolved Mar 31, 2024 Volatile Organic Chemicals
Jan 1, 2024 Mar 31, 2024 Tetrachloroethylene MR No Yes — 0.005 mg/L — Resolved Mar 31, 2024 Volatile Organic Chemicals
Jan 1, 2024 Mar 31, 2024 Trichloroethylene MR No Yes — 0.005 mg/L — Resolved Mar 31, 2024 Volatile Organic Chemicals
Jan 1, 2024 Mar 31, 2024 1,2,4-Trichlorobenzene MR No Yes — 0.07 mg/L — Resolved Mar 31, 2024 Volatile Organic Chemicals
Jan 1, 2024 Mar 31, 2024 cis-1,2-Dichloroethylene MR No Yes — 0.07 mg/L — Resolved Mar 31, 2024 Volatile Organic Chemicals
Jan 1, 2024 Mar 31, 2024 trans-1,2-Dichloroethylene MR No Yes — 0.1 mg/L — Resolved Mar 31, 2024 Volatile Organic Chemicals
Jan 1, 2024 Mar 31, 2024 Toluene MR No Yes — 1 mg/L — Resolved Mar 31, 2024 Volatile Organic Chemicals
Jan 1, 2024 Mar 31, 2024 Carbon tetrachloride MR No Yes — 0.005 mg/L — Resolved Mar 31, 2024 Volatile Organic Chemicals
Jan 1, 2024 Mar 31, 2024 CHLOROBENZENE MR No Yes — 0.1 mg/L — Resolved Mar 31, 2024 Volatile Organic Chemicals
Jan 1, 2024 Mar 31, 2024 1,1,2-Trichloroethane MR No Yes — 0.005 mg/L — Resolved Mar 31, 2024 Volatile Organic Chemicals
Jan 1, 2024 Mar 31, 2024 1,2-Dichloroethane MR No Yes — 0.005 mg/L — Resolved Mar 31, 2024 Volatile Organic Chemicals
Jan 1, 2024 Mar 31, 2024 1,1,1-Trichloroethane MR No Yes — 0.2 mg/L — Resolved Mar 31, 2024 Volatile Organic Chemicals
Jan 1, 2024 Mar 31, 2024 DICHLOROMETHANE MR No Yes — 0.005 mg/L — Resolved Mar 31, 2024 Volatile Organic Chemicals
Jan 1, 2024 Mar 31, 2024 Styrene MR No Yes — 0.1 mg/L — Resolved Mar 31, 2024 Volatile Organic Chemicals
Jan 1, 2024 Mar 31, 2024 Ethylbenzene MR No Yes — 0.7 mg/L — Resolved Mar 31, 2024 Volatile Organic Chemicals
Jan 1, 2024 Mar 31, 2024 Benzene MR No Yes — 0.005 mg/L — Resolved Mar 31, 2024 Volatile Organic Chemicals
Jan 1, 2024 Mar 31, 2024 o-Dichlorobenzene MR No Yes — 0.6 mg/L — Resolved Mar 31, 2024 Volatile Organic Chemicals
Jan 1, 2024 Mar 31, 2024 1,2-Dichloropropane MR No Yes — 0.005 mg/L — Resolved Mar 31, 2024 Volatile Organic Chemicals
Oct 1, 2023 Dec 31, 2023 1,1,2-Trichloroethane MR No Yes — 0.005 mg/L — Resolved Dec 31, 2023 Volatile Organic Chemicals
Oct 1, 2023 Dec 31, 2023 Ethylbenzene MR No Yes — 0.7 mg/L — Resolved Dec 31, 2023 Volatile Organic Chemicals
Oct 1, 2023 Dec 31, 2023 DICHLOROMETHANE MR No Yes — 0.005 mg/L — Resolved Dec 31, 2023 Volatile Organic Chemicals
Oct 1, 2023 Dec 31, 2023 Styrene MR No Yes — 0.1 mg/L — Resolved Dec 31, 2023 Volatile Organic Chemicals
Oct 1, 2023 Dec 31, 2023 Trichloroethylene MR No Yes — 0.005 mg/L — Resolved Dec 31, 2023 Volatile Organic Chemicals
Oct 1, 2023 Dec 31, 2023 1,2-Dichloroethane MR No Yes — 0.005 mg/L — Resolved Dec 31, 2023 Volatile Organic Chemicals
Oct 1, 2023 Dec 31, 2023 Tetrachloroethylene MR No Yes — 0.005 mg/L — Resolved Dec 31, 2023 Volatile Organic Chemicals
Oct 1, 2023 Dec 31, 2023 Toluene MR No Yes — 1 mg/L — Resolved Dec 31, 2023 Volatile Organic Chemicals
Oct 1, 2023 Dec 31, 2023 1,1,1-Trichloroethane MR No Yes — 0.2 mg/L — Resolved Dec 31, 2023 Volatile Organic Chemicals
Oct 1, 2023 Dec 31, 2023 p-Dichlorobenzene MR No Yes — 0.075 mg/L — Resolved Dec 31, 2023 Volatile Organic Chemicals
Oct 1, 2023 Dec 31, 2023 trans-1,2-Dichloroethylene MR No Yes — 0.1 mg/L — Resolved Dec 31, 2023 Volatile Organic Chemicals
Oct 1, 2023 Dec 31, 2023 1,2,4-Trichlorobenzene MR No Yes — 0.07 mg/L — Resolved Dec 31, 2023 Volatile Organic Chemicals
Oct 1, 2023 Dec 31, 2023 CHLOROBENZENE MR No Yes — 0.1 mg/L — Resolved Dec 31, 2023 Volatile Organic Chemicals
Oct 1, 2023 Dec 31, 2023 1,1-Dichloroethylene MR No Yes — 0.007 mg/L — Resolved Dec 31, 2023 Volatile Organic Chemicals
Oct 1, 2023 Dec 31, 2023 Carbon tetrachloride MR No Yes — 0.005 mg/L — Resolved Dec 31, 2023 Volatile Organic Chemicals
Oct 1, 2023 Dec 31, 2023 Vinyl chloride MR No Yes — 0.002 mg/L — Resolved Dec 31, 2023 Volatile Organic Chemicals
Oct 1, 2023 Dec 31, 2023 Benzene MR No Yes — 0.005 mg/L — Resolved Dec 31, 2023 Volatile Organic Chemicals
Oct 1, 2023 Dec 31, 2023 cis-1,2-Dichloroethylene MR No Yes — 0.07 mg/L — Resolved Dec 31, 2023 Volatile Organic Chemicals
Oct 1, 2023 Dec 31, 2023 1,2-Dichloropropane MR No Yes — 0.005 mg/L — Resolved Dec 31, 2023 Volatile Organic Chemicals
Oct 1, 2023 Dec 31, 2023 o-Dichlorobenzene MR No Yes — 0.6 mg/L — Resolved Dec 31, 2023 Volatile Organic Chemicals
Jul 1, 2023 — Consumer Confidence Rule Other No No — — — Resolved Oct 6, 2023 Consumer Confidence Rule
Jul 1, 2022 — Consumer Confidence Rule Other No No — — — Resolved Dec 15, 2022 Consumer Confidence Rule
Jul 1, 2018 — Consumer Confidence Rule Other No No — — — Resolved Dec 20, 2018 Consumer Confidence Rule
Jul 1, 2017 — Consumer Confidence Rule Other No No — — — Resolved Sep 28, 2017 Consumer Confidence Rule
Jul 1, 2016 — Consumer Confidence Rule Other No No — — — Resolved Sep 23, 2016 Consumer Confidence Rule
Jul 1, 2015 — Consumer Confidence Rule Other No No — — — Resolved Sep 17, 2015 Consumer Confidence Rule
Jul 1, 2014 — Consumer Confidence Rule Other No No — — — Resolved Sep 12, 2014 Consumer Confidence Rule
Jul 1, 2013 — Consumer Confidence Rule Other No No — — — Resolved Oct 14, 2013 Consumer Confidence Rule
Jun 1, 2009 Jun 30, 2009 Surface Water Treatment Rule TT Yes No — — — Archived Jun 30, 2009 Surface Water Treatment 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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