Mescalero Community 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 6’s official records. Always confirm current status with EPA Region 6 before making decisions based on this information.

System facts

System ID (PWSID): 063501233
System type: Community Water System
Population served: 1,961
Service connections: 370
Ownership: Native American tribal
Water source: groundwater (wells)

Violation history

Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
January 1, 2015 – March 31, 2015
Resolved
Monitoring and Reporting (DBP)
—
TTHM
January 1, 2015 – March 31, 2015
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
March 1, 2014 – May 31, 2014
Resolved
Monitoring and Reporting (DBP)
—
TTHM
March 1, 2014 – May 31, 2014
Resolved
Monitoring and Reporting (DBP)
—
TTHM
January 1, 2014 – March 31, 2014
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
January 1, 2014 – March 31, 2014
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
October 1, 2013 – December 31, 2013
Resolved
Monitoring and Reporting (DBP)
—
TTHM
October 1, 2013 – December 31, 2013
Resolved
Failure To Address Deficiency
Health-based
Groundwater Rule
February 13, 2011 – January 1, 2015
Resolved
Failure To Address Deficiency
Health-based
Groundwater Rule
February 13, 2011 – January 1, 2015
Resolved
Failure To Address Deficiency
Health-based
Groundwater Rule
February 13, 2011 – January 1, 2015
Resolved
Failure To Address Deficiency
Health-based
Groundwater Rule
February 13, 2011 – January 1, 2015
Resolved
Failure To Address Deficiency
Health-based
Groundwater Rule
February 13, 2011 – January 1, 2015
Resolved
Failure To Address Deficiency
Health-based
Groundwater Rule
February 13, 2011 – January 1, 2015
Resolved
Treatment Technique (SWTR and GWR)
Health-based
Groundwater Rule
January 1, 2011 – January 31, 2011
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
January 1, 2010 – December 31, 2010
Resolved
Monitoring and Reporting (DBP)
—
TTHM
January 1, 2010 – December 31, 2010
Resolved
Treatment Technique No Certif. Operator
Health-based
Stage 1 Disinfectants and Disinfection Byproducts Rule
January 1, 2007 – December 31, 2015
Resolved
Failure to Filter (SWTR)
Health-based
Surface Water Treatment Rule
August 2, 2006 – August 17, 2016
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2004 – August 2, 2005
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
August 1, 2001 – August 31, 2001
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
July 1, 2001 – July 31, 2001
Resolved
Monitoring, Repeat Major (TCR)
—
Coliform (TCR)
July 1, 2001 – July 31, 2001
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
May 1, 2001 – May 31, 2001
Resolved
Monitoring, Repeat Major (TCR)
—
Coliform (TCR)
November 1, 2000 – November 30, 2000
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
November 1, 2000 – November 30, 2000
Resolved
Monitoring, Repeat Major (TCR)
—
Coliform (TCR)
October 1, 2000 – October 31, 2000
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
October 1, 2000 – October 31, 2000
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
October 1, 2000 – October 31, 2000
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
September 1, 2000 – September 30, 2000
Resolved
Monitoring, Repeat Major (TCR)
—
Coliform (TCR)
July 1, 2000 – July 31, 2000
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
July 1, 2000 – July 31, 2000
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
June 1, 2000 – June 30, 2000
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
May 1, 2000 – May 31, 2000
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
February 1, 2000 – February 29, 2000
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
January 1, 2000 – January 31, 2000
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
December 1, 1999 – December 31, 1999
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
November 1, 1999 – November 30, 1999
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
October 19, 1999 – April 30, 2000
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
October 1, 1999 – October 31, 1999
Resolved
Monitoring, Repeat Minor (TCR)
—
Coliform (TCR)
September 1, 1999 – September 30, 1999
Archived
Monitoring, Repeat Major (TCR)
—
Coliform (TCR)
July 1, 1998 – July 31, 1998
Resolved

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, 2015 – March 31, 2015	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
January 1, 2015 – March 31, 2015	Monitoring and Reporting (DBP)	TTHM	—	Resolved
March 1, 2014 – May 31, 2014	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
March 1, 2014 – May 31, 2014	Monitoring and Reporting (DBP)	TTHM	—	Resolved
January 1, 2014 – March 31, 2014	Monitoring and Reporting (DBP)	TTHM	—	Resolved
January 1, 2014 – March 31, 2014	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
October 1, 2013 – December 31, 2013	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
October 1, 2013 – December 31, 2013	Monitoring and Reporting (DBP)	TTHM	—	Resolved
February 13, 2011 – January 1, 2015	Failure To Address Deficiency	Groundwater Rule	Health-based	Resolved
February 13, 2011 – January 1, 2015	Failure To Address Deficiency	Groundwater Rule	Health-based	Resolved
February 13, 2011 – January 1, 2015	Failure To Address Deficiency	Groundwater Rule	Health-based	Resolved
February 13, 2011 – January 1, 2015	Failure To Address Deficiency	Groundwater Rule	Health-based	Resolved
February 13, 2011 – January 1, 2015	Failure To Address Deficiency	Groundwater Rule	Health-based	Resolved
February 13, 2011 – January 1, 2015	Failure To Address Deficiency	Groundwater Rule	Health-based	Resolved
January 1, 2011 – January 31, 2011	Treatment Technique (SWTR and GWR)	Groundwater Rule	Health-based	Resolved
January 1, 2010 – December 31, 2010	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
January 1, 2010 – December 31, 2010	Monitoring and Reporting (DBP)	TTHM	—	Resolved
January 1, 2007 – December 31, 2015	Treatment Technique No Certif. Operator	Stage 1 Disinfectants and Disinfection Byproducts Rule	Health-based	Resolved
August 2, 2006 – August 17, 2016	Failure to Filter (SWTR)	Surface Water Treatment Rule	Health-based	Resolved
July 1, 2004 – August 2, 2005	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
August 1, 2001 – August 31, 2001	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
July 1, 2001 – July 31, 2001	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
July 1, 2001 – July 31, 2001	Monitoring, Repeat Major (TCR)	Coliform (TCR)	—	Resolved
May 1, 2001 – May 31, 2001	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
November 1, 2000 – November 30, 2000	Monitoring, Repeat Major (TCR)	Coliform (TCR)	—	Resolved
November 1, 2000 – November 30, 2000	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
October 1, 2000 – October 31, 2000	Monitoring, Repeat Major (TCR)	Coliform (TCR)	—	Resolved
October 1, 2000 – October 31, 2000	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
October 1, 2000 – October 31, 2000	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
September 1, 2000 – September 30, 2000	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
July 1, 2000 – July 31, 2000	Monitoring, Repeat Major (TCR)	Coliform (TCR)	—	Resolved
July 1, 2000 – July 31, 2000	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
June 1, 2000 – June 30, 2000	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
May 1, 2000 – May 31, 2000	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
February 1, 2000 – February 29, 2000	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
January 1, 2000 – January 31, 2000	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
December 1, 1999 – December 31, 1999	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
November 1, 1999 – November 30, 1999	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
October 19, 1999 – April 30, 2000	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
October 1, 1999 – October 31, 1999	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
September 1, 1999 – September 30, 1999	Monitoring, Repeat Minor (TCR)	Coliform (TCR)	—	Archived
July 1, 1998 – July 31, 1998	Monitoring, Repeat Major (TCR)	Coliform (TCR)	—	Resolved

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

Enforcement actions

March 7, 2014Federal Public Notification requested7 linked violations
February 25, 2014Federal Violation/Reminder Notice5 linked violations
July 15, 2001Federal Compliance achieved2 linked violations
August 14, 2000Federal Compliance achieved16 linked violations
July 15, 2000Federal Compliance achieved19 linked violations
June 14, 2000Federal Compliance achieved3 linked violations
April 30, 2000Federal Compliance achieved6 linked violations
April 14, 2000Federal Compliance achieved6 linked violations
March 16, 2000Federal Compliance achieved10 linked violations
June 14, 1986Federal Compliance achieved6 linked violations

Contact

Not on record

Phone not on record