Drinking Water Compliance OS

Mt Vernon, WA · Snohomish County

SILVANA WATER ASSOCIATION Water System

Current status

1 item on record is open and awaiting resolution as of July 4, 2026. None are health-based violations — open items of this kind are most often monitoring or reporting requirements, not water-safety findings. Full details are in the violation history below.

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)
WA5379050
System type
Community Water System
Population served
153
Service connections
133
Ownership
privately owned
Water source
groundwater (wells)

Violation history

  • Follow-up Or Routine LCR Tap M/R

    —

    Lead and Copper Rule

    January 1, 2023

    Unaddressed

  • Monitoring, Regular

    —

    Styrene

    January 1, 2008 – December 31, 2010

    Resolved

  • Monitoring, Regular

    —

    Benzene

    January 1, 2008 – December 31, 2010

    Resolved

  • Monitoring, Regular

    —

    CHLOROBENZENE

    January 1, 2008 – December 31, 2010

    Resolved

  • Monitoring, Regular

    —

    Toluene

    January 1, 2008 – December 31, 2010

    Resolved

  • Monitoring, Regular

    —

    Ethylbenzene

    January 1, 2008 – December 31, 2010

    Resolved

  • Monitoring, Regular

    —

    1,2,4-Trichlorobenzene

    January 1, 2008 – December 31, 2010

    Resolved

  • Monitoring, Regular

    —

    cis-1,2-Dichloroethylene

    January 1, 2008 – December 31, 2010

    Resolved

  • Monitoring, Regular

    —

    DICHLOROMETHANE

    January 1, 2008 – December 31, 2010

    Resolved

  • Monitoring, Regular

    —

    o-Dichlorobenzene

    January 1, 2008 – December 31, 2010

    Resolved

  • Monitoring, Regular

    —

    p-Dichlorobenzene

    January 1, 2008 – December 31, 2010

    Resolved

  • Monitoring, Regular

    —

    Vinyl chloride

    January 1, 2008 – December 31, 2010

    Resolved

  • Monitoring, Regular

    —

    1,1-Dichloroethylene

    January 1, 2008 – December 31, 2010

    Resolved

  • Monitoring, Regular

    —

    trans-1,2-Dichloroethylene

    January 1, 2008 – December 31, 2010

    Resolved

  • Monitoring, Regular

    —

    1,2-Dichloroethane

    January 1, 2008 – December 31, 2010

    Resolved

  • Monitoring, Regular

    —

    1,1,1-Trichloroethane

    January 1, 2008 – December 31, 2010

    Resolved

  • Monitoring, Regular

    —

    Carbon tetrachloride

    January 1, 2008 – December 31, 2010

    Resolved

  • Monitoring, Regular

    —

    1,2-Dichloropropane

    January 1, 2008 – December 31, 2010

    Resolved

  • Monitoring, Regular

    —

    Trichloroethylene

    January 1, 2008 – December 31, 2010

    Resolved

  • Monitoring, Regular

    —

    1,1,2-Trichloroethane

    January 1, 2008 – December 31, 2010

    Resolved

  • Monitoring, Regular

    —

    Tetrachloroethylene

    January 1, 2008 – December 31, 2010

    Resolved

  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    August 1, 2004 – August 31, 2004

    Archived

  • Monitoring, Routine Major (TCR)

    —

    Coliform (TCR)

    June 1, 2004 – June 30, 2004

    Archived

  • Monitoring, Routine Major (TCR)

    —

    Coliform (TCR)

    April 1, 2004 – April 30, 2004

    Archived

  • Follow-up Or Routine LCR Tap M/R

    —

    Lead and Copper Rule

    January 1, 2004 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Nitrate

    January 1, 2003 – December 31, 2003

    Resolved

  • Monitoring, Routine Major (TCR)

    —

    Coliform (TCR)

    May 1, 2000 – May 31, 2000

    Archived

  • Monitoring, Repeat Major (TCR)

    —

    Coliform (TCR)

    August 1, 1999 – August 31, 1999

    Archived

  • Monitoring, Routine Major (TCR)

    —

    Coliform (TCR)

    March 1, 1998 – March 31, 1998

    Archived

  • Monitoring, Repeat Major (TCR)

    —

    Coliform (TCR)

    August 1, 1996 – August 31, 1996

    Archived

  • Monitoring, Repeat Major (TCR)

    —

    Coliform (TCR)

    July 1, 1996 – July 31, 1996

    Archived

  • Monitoring, Repeat Major (TCR)

    —

    Coliform (TCR)

    April 1, 1996 – April 30, 1996

    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

  • Monitoring, Regular

    —

    Arsenic

    October 1, 1979 – October 31, 1979

    Archived

  • Monitoring, Regular

    —

    Gross Alpha, Excl. Radon and U

    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

Unaddressed no corrective action on record yetResolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)

Enforcement actions

Contact

SILVANA WATER ASSOCIATION

Phone not on record

Mt Vernon, WA 98273