SKYKOMISH, WA · King County

GROTTO WATER ASSOCIATION 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): WA5330050
System type: Community Water System
Population served: 36
Service connections: 26
Ownership: privately owned
Water source: groundwater (wells)

Violation history

Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2017 – February 9, 2018
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
July 1, 2010 – July 31, 2010
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
January 1, 2007 – December 31, 2007
Resolved
Monitoring, Repeat Major (TCR)
—
Coliform (TCR)
October 1, 2004 – October 31, 2004
Archived
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
October 1, 2004 – October 31, 2004
Archived
Monitoring, Repeat Major (TCR)
—
Coliform (TCR)
May 1, 2000 – May 31, 2000
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
August 1, 1998 – August 31, 1998
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
April 1, 1998 – April 30, 1998
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
March 1, 1998 – March 31, 1998
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
May 1, 1997 – May 31, 1997
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
March 1, 1997 – March 31, 1997
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
January 1, 1997 – January 31, 1997
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
December 1, 1996 – December 31, 1996
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
June 1, 1996 – June 30, 1996
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
May 1, 1996 – May 31, 1996
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
April 1, 1996 – April 30, 1996
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
December 1, 1995 – December 31, 1995
Archived
Monitoring, Regular
—
Cadmium
October 1, 1979 – October 31, 1979
Archived
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
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
Monitoring, Regular
—
Barium
October 1, 1979 – October 31, 1979
Archived
Monitoring, Regular
—
Arsenic
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)

Period	Violation	Contaminant / rule	Health-based	Status
July 1, 2017 – February 9, 2018	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
July 1, 2010 – July 31, 2010	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
January 1, 2007 – December 31, 2007	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
October 1, 2004 – October 31, 2004	Monitoring, Repeat Major (TCR)	Coliform (TCR)	—	Archived
October 1, 2004 – October 31, 2004	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Archived
May 1, 2000 – May 31, 2000	Monitoring, Repeat Major (TCR)	Coliform (TCR)	—	Archived
August 1, 1998 – August 31, 1998	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
April 1, 1998 – April 30, 1998	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
March 1, 1998 – March 31, 1998	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
May 1, 1997 – May 31, 1997	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
March 1, 1997 – March 31, 1997	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
January 1, 1997 – January 31, 1997	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
December 1, 1996 – December 31, 1996	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
June 1, 1996 – June 30, 1996	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
May 1, 1996 – May 31, 1996	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
April 1, 1996 – April 30, 1996	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
December 1, 1995 – December 31, 1995	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
October 1, 1979 – October 31, 1979	Monitoring, Regular	Cadmium	—	Archived
October 1, 1979 – October 31, 1979	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Archived
October 1, 1979 – October 31, 1979	Monitoring, Regular	Chromium	—	Archived
October 1, 1979 – October 31, 1979	Monitoring, Regular	Fluoride	—	Archived
October 1, 1979 – October 31, 1979	Monitoring, Regular	Mercury	—	Archived
October 1, 1979 – October 31, 1979	Monitoring, Regular	Nitrate	—	Archived
October 1, 1979 – October 31, 1979	Monitoring, Regular	Selenium	—	Archived
October 1, 1979 – October 31, 1979	Monitoring, Regular	Barium	—	Archived
October 1, 1979 – October 31, 1979	Monitoring, Regular	Arsenic	—	Archived

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

Enforcement actions

February 9, 2018State Compliance achieved1 linked violation
December 16, 2013State Compliance achieved1 linked violation
September 30, 2010State Compliance achieved1 linked violation
June 20, 2007State Compliance achieved10 linked violations
December 31, 1995State Violation/Reminder Notice21 linked violations

Contact

GROTTO WATER ASSOCIATION

Phone not on record

SKYKOMISH, WA 98288