Drinking Water Compliance OS

Mt Vernon, WA · Island County

GREEN ISLAND HILLS WATER ASSN 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)
WA5300429
System type
Community Water System
Population served
265
Service connections
77
Ownership
privately owned
Water source
groundwater (wells)

Violation history

  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2017 – November 6, 2017

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2013 – October 31, 2013

    Resolved
  • Monitoring, Regular

    DICHLOROMETHANE

    April 1, 2007 – June 30, 2007

    Resolved
  • Monitoring, Regular

    o-Dichlorobenzene

    April 1, 2007 – June 30, 2007

    Resolved
  • Monitoring, Regular

    p-Dichlorobenzene

    April 1, 2007 – June 30, 2007

    Resolved
  • Monitoring, Regular

    Vinyl chloride

    April 1, 2007 – June 30, 2007

    Resolved
  • Monitoring, Regular

    1,1-Dichloroethylene

    April 1, 2007 – June 30, 2007

    Resolved
  • Monitoring, Regular

    trans-1,2-Dichloroethylene

    April 1, 2007 – June 30, 2007

    Resolved
  • Monitoring, Regular

    1,2-Dichloroethane

    April 1, 2007 – June 30, 2007

    Resolved
  • Monitoring, Regular

    1,1,1-Trichloroethane

    April 1, 2007 – June 30, 2007

    Resolved
  • Monitoring, Regular

    Carbon tetrachloride

    April 1, 2007 – June 30, 2007

    Resolved
  • Monitoring, Regular

    1,2,4-Trichlorobenzene

    April 1, 2007 – June 30, 2007

    Resolved
  • Monitoring, Regular

    Trichloroethylene

    April 1, 2007 – June 30, 2007

    Resolved
  • Monitoring, Regular

    1,1,2-Trichloroethane

    April 1, 2007 – June 30, 2007

    Resolved
  • Monitoring, Regular

    Tetrachloroethylene

    April 1, 2007 – June 30, 2007

    Resolved
  • Monitoring, Regular

    CHLOROBENZENE

    April 1, 2007 – June 30, 2007

    Resolved
  • Monitoring, Regular

    Benzene

    April 1, 2007 – June 30, 2007

    Resolved
  • Monitoring, Regular

    Toluene

    April 1, 2007 – June 30, 2007

    Resolved
  • Monitoring, Regular

    Ethylbenzene

    April 1, 2007 – June 30, 2007

    Resolved
  • Monitoring, Regular

    Styrene

    April 1, 2007 – June 30, 2007

    Resolved
  • Monitoring, Regular

    1,2-Dichloropropane

    April 1, 2007 – June 30, 2007

    Resolved
  • Monitoring, Regular

    cis-1,2-Dichloroethylene

    April 1, 2007 – June 30, 2007

    Resolved
  • Monitoring, Regular

    DICHLOROMETHANE

    July 1, 2006 – September 30, 2006

    Resolved
  • Monitoring, Regular

    o-Dichlorobenzene

    July 1, 2006 – September 30, 2006

    Resolved
  • Monitoring, Regular

    p-Dichlorobenzene

    July 1, 2006 – September 30, 2006

    Resolved
  • Monitoring, Regular

    Vinyl chloride

    July 1, 2006 – September 30, 2006

    Resolved
  • Monitoring, Regular

    1,1-Dichloroethylene

    July 1, 2006 – September 30, 2006

    Resolved
  • Monitoring, Regular

    trans-1,2-Dichloroethylene

    July 1, 2006 – September 30, 2006

    Resolved
  • Monitoring, Regular

    1,2-Dichloroethane

    July 1, 2006 – September 30, 2006

    Resolved
  • Monitoring, Regular

    1,1,1-Trichloroethane

    July 1, 2006 – September 30, 2006

    Resolved
  • Monitoring, Regular

    Carbon tetrachloride

    July 1, 2006 – September 30, 2006

    Resolved
  • Monitoring, Regular

    1,2-Dichloropropane

    July 1, 2006 – September 30, 2006

    Resolved
  • Monitoring, Regular

    Trichloroethylene

    July 1, 2006 – September 30, 2006

    Resolved
  • Monitoring, Regular

    1,1,2-Trichloroethane

    July 1, 2006 – September 30, 2006

    Resolved
  • Monitoring, Regular

    Tetrachloroethylene

    July 1, 2006 – September 30, 2006

    Resolved
  • Monitoring, Regular

    1,2,4-Trichlorobenzene

    July 1, 2006 – September 30, 2006

    Resolved
  • Monitoring, Regular

    Benzene

    July 1, 2006 – September 30, 2006

    Resolved
  • Monitoring, Regular

    Toluene

    July 1, 2006 – September 30, 2006

    Resolved
  • Monitoring, Regular

    Ethylbenzene

    July 1, 2006 – September 30, 2006

    Resolved
  • Monitoring, Regular

    Styrene

    July 1, 2006 – September 30, 2006

    Resolved
  • Monitoring, Regular

    CHLOROBENZENE

    July 1, 2006 – September 30, 2006

    Resolved
  • Monitoring, Regular

    cis-1,2-Dichloroethylene

    July 1, 2006 – September 30, 2006

    Resolved
  • Monitoring, Regular

    DICHLOROMETHANE

    July 1, 2006 – September 30, 2006

    Resolved
  • Monitoring, Regular

    o-Dichlorobenzene

    July 1, 2006 – September 30, 2006

    Resolved
  • Monitoring, Regular

    p-Dichlorobenzene

    July 1, 2006 – September 30, 2006

    Resolved
  • Monitoring, Regular

    Vinyl chloride

    July 1, 2006 – September 30, 2006

    Resolved
  • Monitoring, Regular

    1,1-Dichloroethylene

    July 1, 2006 – September 30, 2006

    Resolved
  • Monitoring, Regular

    trans-1,2-Dichloroethylene

    July 1, 2006 – September 30, 2006

    Resolved
  • Monitoring, Regular

    1,2-Dichloroethane

    July 1, 2006 – September 30, 2006

    Resolved
  • Monitoring, Regular

    1,1,1-Trichloroethane

    July 1, 2006 – September 30, 2006

    Resolved
  • Monitoring, Regular

    Carbon tetrachloride

    July 1, 2006 – September 30, 2006

    Resolved
  • Monitoring, Regular

    1,2-Dichloropropane

    July 1, 2006 – September 30, 2006

    Resolved
  • Monitoring, Regular

    Trichloroethylene

    July 1, 2006 – September 30, 2006

    Resolved
  • Monitoring, Regular

    1,1,2-Trichloroethane

    July 1, 2006 – September 30, 2006

    Resolved
  • Monitoring, Regular

    Tetrachloroethylene

    July 1, 2006 – September 30, 2006

    Resolved
  • Monitoring, Regular

    CHLOROBENZENE

    July 1, 2006 – September 30, 2006

    Resolved
  • Monitoring, Regular

    Benzene

    July 1, 2006 – September 30, 2006

    Resolved
  • Monitoring, Regular

    Toluene

    July 1, 2006 – September 30, 2006

    Resolved
  • Monitoring, Regular

    Ethylbenzene

    July 1, 2006 – September 30, 2006

    Resolved
  • Monitoring, Regular

    Styrene

    July 1, 2006 – September 30, 2006

    Resolved
  • Monitoring, Regular

    1,2,4-Trichlorobenzene

    July 1, 2006 – September 30, 2006

    Resolved
  • Monitoring, Regular

    cis-1,2-Dichloroethylene

    July 1, 2006 – September 30, 2006

    Resolved
  • Monitoring, Regular

    Arsenic

    October 1, 1979 – October 31, 1979

    Archived
  • Monitoring, Regular

    Barium

    October 1, 1979 – October 31, 1979

    Archived
  • Monitoring, Regular

    Cadmium

    October 1, 1979 – October 31, 1979

    Archived
  • Monitoring, Regular

    Chromium

    October 1, 1979 – October 31, 1979

    Archived
  • Monitoring, Regular

    Fluoride

    October 1, 1979 – October 31, 1979

    Archived
  • Monitoring, Regular

    Mercury

    October 1, 1979 – October 31, 1979

    Archived
  • Monitoring, Regular

    Nitrate

    October 1, 1979 – October 31, 1979

    Archived
  • Monitoring, Regular

    Selenium

    October 1, 1979 – October 31, 1979

    Archived

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

Enforcement actions

Contact

GREEN ISLAND HILLS WATER ASSN

Phone not on record

Mt Vernon, WA 98273