Tumwater, WA · Thurston County

TUMWATER CITY OF 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): WA5389700
System type: Community Water System
Population served: 51,802
Service connections: 13,486
Ownership: local government
Water source: groundwater (wells)

Violation history

Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
January 1, 2020 – January 31, 2020
Resolved
Monitoring, Regular
—
Nitrate
January 1, 2009 – December 31, 2009
Archived
Monitoring, Regular
—
Nitrate
January 1, 2009 – December 31, 2009
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
August 1, 2006 – August 31, 2006
Archived
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
October 1, 2004 – October 31, 2004
Archived
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
August 1, 2004 – August 31, 2004
Archived
Monitoring, Regular
—
Nitrate
January 1, 2003 – December 31, 2003
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
April 1, 1998 – April 30, 1998
Archived
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
September 1, 1997 – September 30, 1997
Archived
Monitoring, Repeat Major (TCR)
—
Coliform (TCR)
March 1, 1992 – March 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
January 1, 2020 – January 31, 2020	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
January 1, 2009 – December 31, 2009	Monitoring, Regular	Nitrate	—	Archived
January 1, 2009 – December 31, 2009	Monitoring, Regular	Nitrate	—	Resolved
August 1, 2006 – August 31, 2006	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Archived
October 1, 2004 – October 31, 2004	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Archived
August 1, 2004 – August 31, 2004	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Archived
January 1, 2003 – December 31, 2003	Monitoring, Regular	Nitrate	—	Resolved
April 1, 1998 – April 30, 1998	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Archived
September 1, 1997 – September 30, 1997	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Archived
March 1, 1992 – March 31, 1992	Monitoring, Repeat 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

February 4, 2020State Compliance achieved1 linked violation
February 16, 2010State Compliance achieved1 linked violation
October 9, 2006State Bilateral Compliance Agreement signed3 linked violations
April 30, 1998State Public Notification received2 linked violations
September 30, 1997State Violation/Reminder Notice1 linked violation
October 31, 1992State Violation/Reminder Notice1 linked violation
June 30, 1992State Violation/Reminder Notice1 linked violation
May 31, 1992State Violation/Reminder Notice1 linked violation
March 31, 1992State Violation/Reminder Notice1 linked violation

Contact

TUMWATER CITY OF

Phone not on record

Tumwater, WA 98501