Mount Vernon, WA · San Juan County

OLGA WATER USERS INC 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): WA5363400
System type: Community Water System
Population served: 392
Service connections: 130
Ownership: privately owned
Water source: surface water (rivers, lakes, or reservoirs)

Violation history

Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
September 1, 2024 – September 30, 2024
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2022 – September 21, 2022
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
April 1, 2013 – April 30, 2013
Resolved
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
November 1, 2008 – November 30, 2008
Archived
Monitoring of Treatment (SWTR-Unfilt/GWR)
—
Surface Water Treatment Rule
April 1, 2008 – April 30, 2008
Archived
Monitoring of Treatment (SWTR-Unfilt/GWR)
—
Surface Water Treatment Rule
March 1, 2008 – March 31, 2008
Archived
Monitoring, Regular
—
1,1-Dichloroethylene
January 1, 2004 – December 31, 2004
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
January 1, 2004 – December 31, 2004
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
January 1, 2004 – December 31, 2004
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
January 1, 2004 – December 31, 2004
Resolved
Monitoring, Regular
—
Carbon tetrachloride
January 1, 2004 – December 31, 2004
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
January 1, 2004 – December 31, 2004
Resolved
Monitoring, Regular
—
Trichloroethylene
January 1, 2004 – December 31, 2004
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
January 1, 2004 – December 31, 2004
Resolved
Monitoring, Regular
—
Tetrachloroethylene
January 1, 2004 – December 31, 2004
Resolved
Monitoring, Regular
—
1,2,4-Trichlorobenzene
January 1, 2004 – December 31, 2004
Resolved
Monitoring, Regular
—
Benzene
January 1, 2004 – December 31, 2004
Resolved
Monitoring, Regular
—
Toluene
January 1, 2004 – December 31, 2004
Resolved
Monitoring, Regular
—
Ethylbenzene
January 1, 2004 – December 31, 2004
Resolved
Monitoring, Regular
—
Styrene
January 1, 2004 – December 31, 2004
Resolved
Monitoring, Regular
—
CHLOROBENZENE
January 1, 2004 – December 31, 2004
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
January 1, 2004 – December 31, 2004
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
January 1, 2004 – December 31, 2004
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
January 1, 2004 – December 31, 2004
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
January 1, 2004 – December 31, 2004
Resolved
Monitoring, Regular
—
Vinyl chloride
January 1, 2004 – December 31, 2004
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
September 1, 1994 – September 30, 1994
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
August 1, 1993 – August 31, 1993
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
December 1, 1992 – December 31, 1992
Archived
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
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
September 1, 2024 – September 30, 2024	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
July 1, 2022 – September 21, 2022	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
April 1, 2013 – April 30, 2013	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
November 1, 2008 – November 30, 2008	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
April 1, 2008 – April 30, 2008	Monitoring of Treatment (SWTR-Unfilt/GWR)	Surface Water Treatment Rule	—	Archived
March 1, 2008 – March 31, 2008	Monitoring of Treatment (SWTR-Unfilt/GWR)	Surface Water Treatment Rule	—	Archived
January 1, 2004 – December 31, 2004	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
January 1, 2004 – December 31, 2004	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
January 1, 2004 – December 31, 2004	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
January 1, 2004 – December 31, 2004	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
January 1, 2004 – December 31, 2004	Monitoring, Regular	Carbon tetrachloride	—	Resolved
January 1, 2004 – December 31, 2004	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
January 1, 2004 – December 31, 2004	Monitoring, Regular	Trichloroethylene	—	Resolved
January 1, 2004 – December 31, 2004	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
January 1, 2004 – December 31, 2004	Monitoring, Regular	Tetrachloroethylene	—	Resolved
January 1, 2004 – December 31, 2004	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Resolved
January 1, 2004 – December 31, 2004	Monitoring, Regular	Benzene	—	Resolved
January 1, 2004 – December 31, 2004	Monitoring, Regular	Toluene	—	Resolved
January 1, 2004 – December 31, 2004	Monitoring, Regular	Ethylbenzene	—	Resolved
January 1, 2004 – December 31, 2004	Monitoring, Regular	Styrene	—	Resolved
January 1, 2004 – December 31, 2004	Monitoring, Regular	CHLOROBENZENE	—	Resolved
January 1, 2004 – December 31, 2004	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
January 1, 2004 – December 31, 2004	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
January 1, 2004 – December 31, 2004	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
January 1, 2004 – December 31, 2004	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
January 1, 2004 – December 31, 2004	Monitoring, Regular	Vinyl chloride	—	Resolved
September 1, 1994 – September 30, 1994	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Archived
August 1, 1993 – August 31, 1993	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
December 1, 1992 – December 31, 1992	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
October 1, 1979 – October 31, 1979	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Archived

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

Enforcement actions

October 31, 2024State Compliance achieved1 linked violation
September 21, 2022State Compliance achieved1 linked violation
May 31, 2013State Compliance achieved1 linked violation
November 8, 2011State Compliance achieved1 linked violation
December 4, 2008State Violation/Reminder Notice10 linked violations
March 29, 2005State Compliance achieved33 linked violations
September 30, 1994State Violation/Reminder Notice16 linked violations
December 31, 1992State Violation/Reminder Notice1 linked violation

Contact

OLGA WATER USERS INC

Phone not on record

Mount Vernon, WA 98273