NESPELEM, 10

TWIN LAKES HUD 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 EPA Region 10’s official records. Always confirm current status with EPA Region 10 before making decisions based on this information.

System facts

System ID (PWSID): 105300010
System type: Community Water System
Population served: 42
Service connections: 16
Ownership: Native American tribal
Water source: groundwater (wells)

Violation history

Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2006 – July 23, 2007
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
April 1, 2006 – June 30, 2006
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
January 1, 2006 – March 31, 2006
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
May 1, 2005 – May 31, 2005
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
April 1, 2005 – April 30, 2005
Resolved
Monitoring and Reporting (DBP)
—
TTHM
January 1, 2005 – December 31, 2005
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
January 1, 2005 – December 31, 2005
Resolved
Monitoring, Regular
—
Nitrate
January 1, 2005 – December 31, 2005
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
June 1, 2003 – June 30, 2003
Resolved
Monitoring, Regular
—
Nitrate
January 1, 2003 – December 31, 2003
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
December 1, 2001 – December 31, 2001
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
November 1, 2001 – November 30, 2001
Archived
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2001 – July 1, 2003
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
June 1, 2001 – June 30, 2001
Archived
Monitoring, Regular
—
Nitrate
April 1, 1999 – March 31, 2000
Resolved
Monitoring, Regular
—
Benzene
January 1, 1999 – December 31, 2001
Resolved
Monitoring, Regular
—
Atrazine
January 1, 1999 – December 31, 2001
Resolved
Monitoring, Regular
—
Antimony, Total
January 1, 1999 – December 31, 2001
Resolved
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
October 3, 1997 – October 2, 2001
Resolved
Monitoring, Regular
—
2,3,7,8-TCDD
September 1, 1996 – August 31, 1999
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
June 1, 1993 – June 30, 1993
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
May 1, 1993 – May 31, 1993
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
May 1, 1992 – May 31, 1992
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
April 1, 1992 – April 30, 1992
Archived
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
June 1, 1976 – May 31, 1980
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, 2006 – July 23, 2007	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
April 1, 2006 – June 30, 2006	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
January 1, 2006 – March 31, 2006	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
May 1, 2005 – May 31, 2005	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
April 1, 2005 – April 30, 2005	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
January 1, 2005 – December 31, 2005	Monitoring and Reporting (DBP)	TTHM	—	Resolved
January 1, 2005 – December 31, 2005	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
January 1, 2005 – December 31, 2005	Monitoring, Regular	Nitrate	—	Resolved
June 1, 2003 – June 30, 2003	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
January 1, 2003 – December 31, 2003	Monitoring, Regular	Nitrate	—	Resolved
December 1, 2001 – December 31, 2001	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
November 1, 2001 – November 30, 2001	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
July 1, 2001 – July 1, 2003	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
June 1, 2001 – June 30, 2001	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
April 1, 1999 – March 31, 2000	Monitoring, Regular	Nitrate	—	Resolved
January 1, 1999 – December 31, 2001	Monitoring, Regular	Benzene	—	Resolved
January 1, 1999 – December 31, 2001	Monitoring, Regular	Atrazine	—	Resolved
January 1, 1999 – December 31, 2001	Monitoring, Regular	Antimony, Total	—	Resolved
October 3, 1997 – October 2, 2001	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Resolved
September 1, 1996 – August 31, 1999	Monitoring, Regular	2,3,7,8-TCDD	—	Resolved
June 1, 1993 – June 30, 1993	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
May 1, 1993 – May 31, 1993	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
May 1, 1992 – May 31, 1992	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
April 1, 1992 – April 30, 1992	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
June 1, 1976 – May 31, 1980	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

August 29, 2006Federal Compliance achieved1 linked violation
August 29, 2006Federal Compliance achieved1 linked violation
July 19, 2006Federal Compliance achieved1 linked violation
November 1, 2005Federal Compliance achieved1 linked violation
October 1, 2005Federal Compliance achieved1 linked violation
February 3, 2004Federal Compliance achieved1 linked violation
December 1, 2003Federal Compliance achieved1 linked violation
July 1, 2003Federal Compliance achieved1 linked violation
July 1, 2003Federal Compliance achieved1 linked violation
September 30, 2002Federal Compliance achieved313 linked violations
May 7, 2002Federal Compliance achieved1 linked violation
April 24, 2002Federal Compliance achieved1 linked violation
April 16, 2002Federal Compliance achieved1 linked violation
July 19, 2001Federal Violation/Reminder Notice3 linked violations
January 15, 1999Federal Violation/Reminder Notice73 linked violations
January 13, 1994Federal Violation/Reminder Notice10 linked violations
August 6, 1993Federal Violation/Reminder Notice3 linked violations

Contact

TOULOU, RON

509-634-2809

NESPELEM, WA 99155