Drinking Water Compliance OS

SEQUIM, WA · Clallam County

MAPLE GROVE Water System

Current status

No open violations on record as of July 4, 2026.

This system's next federally required Consumer Confidence Report is due July 1, 2027, under the EPA's revised reporting rule.

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed July 4, 2026. This is a record-keeping and public-information tool — it does not replace Washington’s official records. Always confirm current status with Washington before making decisions based on this information.

System facts

System ID (PWSID)
WA5363277
System type
Community Water System
Population served
132
Service connections
57
Ownership
privately owned
Water source
groundwater (wells)

Violation history

  • Consumer Confidence Report Complete Failure to Report

    —

    Consumer Confidence Rule

    July 1, 2025 – September 28, 2025

    Resolved

  • Consumer Confidence Report Complete Failure to Report

    —

    Consumer Confidence Rule

    July 1, 2018 – September 22, 2018

    Resolved

  • Monitoring, Regular

    —

    cis-1,2-Dichloroethylene

    October 1, 2004 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    DICHLOROMETHANE

    October 1, 2004 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    o-Dichlorobenzene

    October 1, 2004 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    p-Dichlorobenzene

    October 1, 2004 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Vinyl chloride

    October 1, 2004 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    1,1-Dichloroethylene

    October 1, 2004 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    trans-1,2-Dichloroethylene

    October 1, 2004 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    1,2-Dichloroethane

    October 1, 2004 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    1,1,1-Trichloroethane

    October 1, 2004 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Carbon tetrachloride

    October 1, 2004 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    1,2-Dichloropropane

    October 1, 2004 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Trichloroethylene

    October 1, 2004 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    1,1,2-Trichloroethane

    October 1, 2004 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Tetrachloroethylene

    October 1, 2004 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    CHLOROBENZENE

    October 1, 2004 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Benzene

    October 1, 2004 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Toluene

    October 1, 2004 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Ethylbenzene

    October 1, 2004 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Styrene

    October 1, 2004 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    1,2,4-Trichlorobenzene

    October 1, 2004 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    cis-1,2-Dichloroethylene

    October 1, 2004 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    DICHLOROMETHANE

    October 1, 2004 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    o-Dichlorobenzene

    October 1, 2004 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    p-Dichlorobenzene

    October 1, 2004 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Vinyl chloride

    October 1, 2004 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    1,1-Dichloroethylene

    October 1, 2004 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    trans-1,2-Dichloroethylene

    October 1, 2004 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    1,2-Dichloroethane

    October 1, 2004 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    1,1,1-Trichloroethane

    October 1, 2004 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Carbon tetrachloride

    October 1, 2004 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    1,2-Dichloropropane

    October 1, 2004 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Trichloroethylene

    October 1, 2004 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    1,1,2-Trichloroethane

    October 1, 2004 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Tetrachloroethylene

    October 1, 2004 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    CHLOROBENZENE

    October 1, 2004 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Toluene

    October 1, 2004 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Ethylbenzene

    October 1, 2004 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Styrene

    October 1, 2004 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Benzene

    October 1, 2004 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    1,2,4-Trichlorobenzene

    October 1, 2004 – December 31, 2004

    Resolved

  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    September 1, 2003 – September 30, 2003

    Archived

  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    July 1, 2003 – July 31, 2003

    Archived

Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)

Enforcement actions

Contact

MAPLE GROVE

Phone not on record

SEQUIM, WA 98382