Porterville, 09

Tule River Cow Mountain Water System

Inactive system

This water system is marked inactive in EPA’s federal records as of July 1, 2017. It is no longer an operating public water system under this PWSID, and no compliance deadlines — including the 2027 Consumer Confidence Report rule — apply to it.

If you are a resident looking for your current water provider, see water systems in 09.

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 9’s official records. Always confirm current status with EPA Region 9 before making decisions based on this information.

System facts

System ID (PWSID): 090600165
System type: Community Water System
Population served: 45
Service connections: 11
Ownership: Native American tribal
Water source: groundwater (wells)

Violation history

Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
January 1, 2017 – January 31, 2017
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
December 1, 2016 – December 31, 2016
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
October 1, 2015 – October 31, 2015
Resolved
Monitoring, Regular
—
Combined Radium (-226 and -228)
July 1, 2014 – September 30, 2014
Resolved
Monitoring, Regular
—
Combined Uranium
July 1, 2014 – September 30, 2014
Resolved
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
July 1, 2014 – September 30, 2014
Resolved
Monitoring, Regular
—
Combined Uranium
April 1, 2014 – June 30, 2014
Resolved
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
April 1, 2014 – June 30, 2014
Resolved
Monitoring, Regular
—
Combined Radium (-226 and -228)
April 1, 2014 – June 30, 2014
Resolved
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
January 1, 2014 – March 31, 2014
Resolved
Monitoring, Regular
—
Combined Uranium
January 1, 2014 – March 31, 2014
Resolved
Monitoring, Regular
—
Combined Radium (-226 and -228)
January 1, 2014 – March 31, 2014
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
December 1, 2013 – December 31, 2013
Resolved
Monitoring and Reporting (DBP)
—
TTHM
January 1, 2013 – June 5, 2013
Resolved
Monitoring, Regular
—
Nitrate
January 1, 2013 – December 19, 2013
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
January 1, 2013 – June 5, 2013
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
December 1, 2012 – December 31, 2012
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
July 1, 2012 – July 31, 2012
Resolved
Monitoring and Reporting (DBP)
—
TTHM
January 1, 2012 – December 31, 2012
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
January 1, 2012 – December 31, 2012
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Radium (-226 and -228)
January 1, 2011 – March 31, 2011
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
January 1, 2011 – December 31, 2011
Resolved
Monitoring and Reporting (DBP)
—
TTHM
January 1, 2011 – December 31, 2011
Resolved
Monitoring, Source Water (GWR)
—
E. COLI
March 1, 2010 – January 19, 2011
Resolved
Monitoring, Repeat Minor (TCR)
—
Coliform (TCR)
March 1, 2010 – March 31, 2010
Resolved

Resolved addressed and confirmed by the state

Period	Violation	Contaminant / rule	Health-based	Status
January 1, 2017 – January 31, 2017	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
December 1, 2016 – December 31, 2016	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
October 1, 2015 – October 31, 2015	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
July 1, 2014 – September 30, 2014	Monitoring, Regular	Combined Radium (-226 and -228)	—	Resolved
July 1, 2014 – September 30, 2014	Monitoring, Regular	Combined Uranium	—	Resolved
July 1, 2014 – September 30, 2014	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Resolved
April 1, 2014 – June 30, 2014	Monitoring, Regular	Combined Uranium	—	Resolved
April 1, 2014 – June 30, 2014	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Resolved
April 1, 2014 – June 30, 2014	Monitoring, Regular	Combined Radium (-226 and -228)	—	Resolved
January 1, 2014 – March 31, 2014	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Resolved
January 1, 2014 – March 31, 2014	Monitoring, Regular	Combined Uranium	—	Resolved
January 1, 2014 – March 31, 2014	Monitoring, Regular	Combined Radium (-226 and -228)	—	Resolved
December 1, 2013 – December 31, 2013	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
January 1, 2013 – June 5, 2013	Monitoring and Reporting (DBP)	TTHM	—	Resolved
January 1, 2013 – December 19, 2013	Monitoring, Regular	Nitrate	—	Resolved
January 1, 2013 – June 5, 2013	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
December 1, 2012 – December 31, 2012	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
July 1, 2012 – July 31, 2012	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
January 1, 2012 – December 31, 2012	Monitoring and Reporting (DBP)	TTHM	—	Resolved
January 1, 2012 – December 31, 2012	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
January 1, 2011 – March 31, 2011	Maximum Contaminant Level Violation, Average	Combined Radium (-226 and -228)	Health-based	Resolved
January 1, 2011 – December 31, 2011	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
January 1, 2011 – December 31, 2011	Monitoring and Reporting (DBP)	TTHM	—	Resolved
March 1, 2010 – January 19, 2011	Monitoring, Source Water (GWR)	E. COLI	—	Resolved
March 1, 2010 – March 31, 2010	Monitoring, Repeat Minor (TCR)	Coliform (TCR)	—	Resolved

Resolved addressed and confirmed by the state

Enforcement actions

February 15, 2017Federal Compliance achieved1 linked violation
February 15, 2017Federal Compliance achieved1 linked violation
November 8, 2015Federal Compliance achieved1 linked violation
November 24, 2014Federal Compliance achieved1 linked violation
November 24, 2014Federal Compliance achieved1 linked violation
November 24, 2014Federal Compliance achieved1 linked violation
November 24, 2014Federal Compliance achieved1 linked violation
November 24, 2014Federal Compliance achieved1 linked violation
November 24, 2014Federal Compliance achieved1 linked violation
November 24, 2014Federal Compliance achieved1 linked violation
November 24, 2014Federal Compliance achieved1 linked violation
November 24, 2014Federal Compliance achieved1 linked violation
January 21, 2014Federal Compliance achieved1 linked violation
December 19, 2013Federal Compliance achieved1 linked violation
June 5, 2013Federal Compliance achieved1 linked violation
June 5, 2013Federal Compliance achieved1 linked violation
June 5, 2013Federal Compliance achieved1 linked violation
June 5, 2013Federal Compliance achieved1 linked violation
June 5, 2013Federal Compliance achieved1 linked violation
June 5, 2013Federal Compliance achieved1 linked violation
February 26, 2013Federal Compliance achieved1 linked violation
November 16, 2012Federal Compliance achieved1 linked violation
November 22, 2011Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
November 21, 2011Federal Compliance achieved1 linked violation
February 9, 2011Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
January 25, 2011Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
January 19, 2011Federal Compliance achieved1 linked violation
January 19, 2011Federal Compliance achieved1 linked violation
January 14, 2011Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
December 15, 2010Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
November 19, 2010Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
November 12, 2010Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
November 3, 2010Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
October 27, 2010Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
October 8, 2010Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record

Last known contact on file (system is inactive)

Tule River Tribe

5597814610

Porterville, CA 93257