Marshall, WA · Lincoln County

SEVEN BAYS ESTATES UNLIMITED 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): WA5377651
System type: Community Water System
Population served: 431
Service connections: 365
Ownership: privately owned
Water source: groundwater (wells)

Violation history

Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2024 – February 20, 2025
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
October 1, 2022 – October 31, 2022
Resolved
Monitoring, Regular
—
Nitrate
January 1, 2022 – December 31, 2022
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2017 – October 9, 2017
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2015 – September 3, 2015
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
July 1, 2010 – July 31, 2010
Resolved
Monitoring, Regular
—
Nitrate
January 1, 2009 – December 31, 2009
Resolved
Monitoring, Regular
—
Nitrate
January 1, 2009 – December 31, 2009
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
December 1, 1998 – December 31, 1998
Archived
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
July 1, 1993 – July 31, 1993
Archived
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
June 1, 1993 – June 30, 1993
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
December 1, 1991 – December 31, 1991
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
—
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

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, 2024 – February 20, 2025	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
October 1, 2022 – October 31, 2022	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
January 1, 2022 – December 31, 2022	Monitoring, Regular	Nitrate	—	Resolved
July 1, 2017 – October 9, 2017	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
July 1, 2015 – September 3, 2015	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, 2009 – December 31, 2009	Monitoring, Regular	Nitrate	—	Resolved
January 1, 2009 – December 31, 2009	Monitoring, Regular	Nitrate	—	Resolved
December 1, 1998 – December 31, 1998	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
July 1, 1993 – July 31, 1993	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Archived
June 1, 1993 – June 30, 1993	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Archived
December 1, 1991 – December 31, 1991	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	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	Arsenic	—	Archived
October 1, 1979 – October 31, 1979	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Archived
October 1, 1979 – October 31, 1979	Monitoring, Regular	Barium	—	Archived
October 1, 1979 – October 31, 1979	Monitoring, Regular	Cadmium	—	Archived

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

Enforcement actions

February 20, 2025State Compliance achieved1 linked violation
September 4, 2023State Compliance achieved1 linked violation
November 14, 2022State Compliance achieved1 linked violation
October 9, 2017State Compliance achieved1 linked violation
December 31, 2015State Compliance achieved1 linked violation
September 3, 2015State Compliance achieved1 linked violation
December 7, 2010State Compliance achieved1 linked violation
December 7, 2010State Compliance achieved1 linked violation
August 31, 2010State Compliance achieved1 linked violation
July 31, 1993State Violation/Reminder Notice2 linked violations
November 30, 1992State Violation/Reminder Notice1 linked violation
May 31, 1992State Violation/Reminder Notice2 linked violations
March 31, 1992State Violation/Reminder Notice1 linked violation

Contact

SEVEN BAYS ESTATES UNLIMITED

Phone not on record

Marshall, WA 99020