ARROYO SECO, NM · Taos County

UPPER DES MONTES MDWCA 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 New Mexico’s official records. Always confirm current status with New Mexico before making decisions based on this information.

System facts

System ID (PWSID): NM3575029
System type: Community Water System
Population served: 222
Service connections: 78
Ownership: local government
Water source: groundwater (wells)

Violation history

Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
August 1, 2016 – July 31, 2017
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
August 1, 2014 – July 31, 2015
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
July 1, 2012 – September 30, 2012
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
October 1, 2010 – July 6, 2011
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
February 1, 2009 – February 28, 2009
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
December 3, 2008 – October 22, 2010
Resolved
Monitoring, Regular
—
Endothall
October 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
Heptachlor epoxide
October 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
Atrazine
October 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
Heptachlor
October 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
Aldicarb sulfone
October 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
2,4-D
October 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
HEXACHLOROBENZENE
October 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
Benzo(a)pyrene
October 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
BHC-GAMMA
October 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
Dalapon
October 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
Aldicarb
July 1, 2006 – September 30, 2006
Resolved
Monitoring, Regular
—
Atrazine
July 1, 2006 – September 30, 2006
Resolved
Monitoring, Regular
—
LASSO
July 1, 2006 – September 30, 2006
Resolved
Monitoring, Regular
—
Heptachlor
July 1, 2006 – September 30, 2006
Resolved
Monitoring, Regular
—
Heptachlor epoxide
July 1, 2006 – September 30, 2006
Resolved
Monitoring, Regular
—
2,4-D
July 1, 2006 – September 30, 2006
Resolved
Monitoring, Regular
—
2,4,5-TP
July 1, 2006 – September 30, 2006
Resolved
Monitoring, Regular
—
HEXACHLOROBENZENE
July 1, 2006 – September 30, 2006
Resolved
Monitoring, Regular
—
Benzo(a)pyrene
July 1, 2006 – September 30, 2006
Resolved
Monitoring, Regular
—
Pentachlorophenol
July 1, 2006 – September 30, 2006
Resolved
Monitoring, Regular
—
1,2-DIBROMO-3-CHLOROPROPANE
July 1, 2006 – September 30, 2006
Resolved
Monitoring, Regular
—
ETHYLENE DIBROMIDE
July 1, 2006 – September 30, 2006
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) adipate
July 1, 2006 – September 30, 2006
Resolved
Monitoring, Regular
—
Endrin
July 1, 2006 – September 30, 2006
Resolved
Monitoring, Regular
—
BHC-GAMMA
July 1, 2006 – September 30, 2006
Resolved
Monitoring, Regular
—
Methoxychlor
July 1, 2006 – September 30, 2006
Resolved
Monitoring, Regular
—
Toxaphene
July 1, 2006 – September 30, 2006
Resolved
Monitoring, Regular
—
Dalapon
July 1, 2006 – September 30, 2006
Resolved
Monitoring, Regular
—
Endothall
July 1, 2006 – September 30, 2006
Resolved
Monitoring, Regular
—
Glyphosate
July 1, 2006 – September 30, 2006
Resolved
Monitoring, Regular
—
OXAMYL
July 1, 2006 – September 30, 2006
Resolved
Monitoring, Regular
—
Simazine
July 1, 2006 – September 30, 2006
Resolved
Monitoring, Regular
—
Picloram
July 1, 2006 – September 30, 2006
Resolved
Monitoring, Regular
—
Dinoseb
July 1, 2006 – September 30, 2006
Resolved
Monitoring, Regular
—
Hexachlorocyclopentadiene
July 1, 2006 – September 30, 2006
Resolved
Monitoring, Regular
—
Aldicarb sulfoxide
July 1, 2006 – September 30, 2006
Resolved
Monitoring, Regular
—
Aldicarb sulfone
July 1, 2006 – September 30, 2006
Resolved
Monitoring, Regular
—
Carbofuran
July 1, 2006 – September 30, 2006
Resolved
Monitoring, Regular
—
Aldicarb sulfoxide
April 1, 2006 – June 30, 2006
Resolved
Monitoring, Regular
—
Pentachlorophenol
April 1, 2006 – June 30, 2006
Resolved
Monitoring, Regular
—
Carbofuran
April 1, 2006 – June 30, 2006
Resolved
Monitoring, Regular
—
Aldicarb sulfone
April 1, 2006 – June 30, 2006
Resolved
Monitoring, Regular
—
Aldicarb
April 1, 2006 – June 30, 2006
Resolved
Monitoring, Regular
—
LASSO
April 1, 2006 – June 30, 2006
Resolved
Monitoring, Regular
—
Endrin
April 1, 2006 – June 30, 2006
Resolved
Monitoring, Regular
—
BHC-GAMMA
April 1, 2006 – June 30, 2006
Resolved
Monitoring, Regular
—
OXAMYL
April 1, 2006 – June 30, 2006
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) phthalate
April 1, 2006 – June 30, 2006
Resolved
Monitoring, Regular
—
Hexachlorocyclopentadiene
January 1, 2006 – March 31, 2006
Resolved
Monitoring, Regular
—
1,2-DIBROMO-3-CHLOROPROPANE
January 1, 2006 – March 31, 2006
Resolved
Monitoring, Regular
—
Heptachlor
January 1, 2006 – March 31, 2006
Resolved
Monitoring, Regular
—
Atrazine
October 1, 2005 – December 31, 2005
Resolved
Monitoring, Regular
—
Methoxychlor
October 1, 2005 – December 31, 2005
Resolved
Monitoring, Regular
—
Endothall
October 1, 2005 – December 31, 2005
Resolved
Monitoring, Regular
—
Glyphosate
October 1, 2005 – December 31, 2005
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) adipate
October 1, 2005 – December 31, 2005
Resolved
Monitoring, Regular
—
OXAMYL
October 1, 2005 – December 31, 2005
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) phthalate
October 1, 2005 – December 31, 2005
Resolved
Monitoring, Regular
—
Picloram
October 1, 2005 – December 31, 2005
Resolved
Monitoring, Regular
—
Hexachlorocyclopentadiene
October 1, 2005 – December 31, 2005
Resolved
Monitoring, Regular
—
Heptachlor epoxide
October 1, 2005 – December 31, 2005
Resolved
Monitoring, Regular
—
Chlordane
October 1, 2005 – December 31, 2005
Resolved
Monitoring, Regular
—
Aldicarb sulfone
July 1, 2005 – September 30, 2005
Resolved
Monitoring, Regular
—
Endothall
July 1, 2005 – September 30, 2005
Resolved
Monitoring, Regular
—
Toxaphene
July 1, 2005 – September 30, 2005
Resolved
Monitoring, Regular
—
BHC-GAMMA
July 1, 2005 – September 30, 2005
Resolved
Monitoring, Regular
—
Hexachlorocyclopentadiene
July 1, 2005 – September 30, 2005
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) phthalate
July 1, 2005 – September 30, 2005
Resolved
Monitoring, Regular
—
HEXACHLOROBENZENE
April 1, 2005 – June 30, 2005
Resolved
Monitoring, Regular
—
ETHYLENE DIBROMIDE
April 1, 2005 – June 30, 2005
Resolved
Monitoring, Regular
—
Nitrate
January 1, 2000 – December 31, 2000
Resolved

Resolved addressed and confirmed by the state

Period	Violation	Contaminant / rule	Health-based	Status
August 1, 2016 – July 31, 2017	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
August 1, 2014 – July 31, 2015	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
July 1, 2012 – September 30, 2012	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
October 1, 2010 – July 6, 2011	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
February 1, 2009 – February 28, 2009	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
December 3, 2008 – October 22, 2010	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
October 1, 2006 – December 31, 2006	Monitoring, Regular	Endothall	—	Resolved
October 1, 2006 – December 31, 2006	Monitoring, Regular	Heptachlor epoxide	—	Resolved
October 1, 2006 – December 31, 2006	Monitoring, Regular	Atrazine	—	Resolved
October 1, 2006 – December 31, 2006	Monitoring, Regular	Heptachlor	—	Resolved
October 1, 2006 – December 31, 2006	Monitoring, Regular	Aldicarb sulfone	—	Resolved
October 1, 2006 – December 31, 2006	Monitoring, Regular	2,4-D	—	Resolved
October 1, 2006 – December 31, 2006	Monitoring, Regular	HEXACHLOROBENZENE	—	Resolved
October 1, 2006 – December 31, 2006	Monitoring, Regular	Benzo(a)pyrene	—	Resolved
October 1, 2006 – December 31, 2006	Monitoring, Regular	BHC-GAMMA	—	Resolved
October 1, 2006 – December 31, 2006	Monitoring, Regular	Dalapon	—	Resolved
July 1, 2006 – September 30, 2006	Monitoring, Regular	Aldicarb	—	Resolved
July 1, 2006 – September 30, 2006	Monitoring, Regular	Atrazine	—	Resolved
July 1, 2006 – September 30, 2006	Monitoring, Regular	LASSO	—	Resolved
July 1, 2006 – September 30, 2006	Monitoring, Regular	Heptachlor	—	Resolved
July 1, 2006 – September 30, 2006	Monitoring, Regular	Heptachlor epoxide	—	Resolved
July 1, 2006 – September 30, 2006	Monitoring, Regular	2,4-D	—	Resolved
July 1, 2006 – September 30, 2006	Monitoring, Regular	2,4,5-TP	—	Resolved
July 1, 2006 – September 30, 2006	Monitoring, Regular	HEXACHLOROBENZENE	—	Resolved
July 1, 2006 – September 30, 2006	Monitoring, Regular	Benzo(a)pyrene	—	Resolved
July 1, 2006 – September 30, 2006	Monitoring, Regular	Pentachlorophenol	—	Resolved
July 1, 2006 – September 30, 2006	Monitoring, Regular	1,2-DIBROMO-3-CHLOROPROPANE	—	Resolved
July 1, 2006 – September 30, 2006	Monitoring, Regular	ETHYLENE DIBROMIDE	—	Resolved
July 1, 2006 – September 30, 2006	Monitoring, Regular	Di(2-ethylhexyl) adipate	—	Resolved
July 1, 2006 – September 30, 2006	Monitoring, Regular	Endrin	—	Resolved
July 1, 2006 – September 30, 2006	Monitoring, Regular	BHC-GAMMA	—	Resolved
July 1, 2006 – September 30, 2006	Monitoring, Regular	Methoxychlor	—	Resolved
July 1, 2006 – September 30, 2006	Monitoring, Regular	Toxaphene	—	Resolved
July 1, 2006 – September 30, 2006	Monitoring, Regular	Dalapon	—	Resolved
July 1, 2006 – September 30, 2006	Monitoring, Regular	Endothall	—	Resolved
July 1, 2006 – September 30, 2006	Monitoring, Regular	Glyphosate	—	Resolved
July 1, 2006 – September 30, 2006	Monitoring, Regular	OXAMYL	—	Resolved
July 1, 2006 – September 30, 2006	Monitoring, Regular	Simazine	—	Resolved
July 1, 2006 – September 30, 2006	Monitoring, Regular	Picloram	—	Resolved
July 1, 2006 – September 30, 2006	Monitoring, Regular	Dinoseb	—	Resolved
July 1, 2006 – September 30, 2006	Monitoring, Regular	Hexachlorocyclopentadiene	—	Resolved
July 1, 2006 – September 30, 2006	Monitoring, Regular	Aldicarb sulfoxide	—	Resolved
July 1, 2006 – September 30, 2006	Monitoring, Regular	Aldicarb sulfone	—	Resolved
July 1, 2006 – September 30, 2006	Monitoring, Regular	Carbofuran	—	Resolved
April 1, 2006 – June 30, 2006	Monitoring, Regular	Aldicarb sulfoxide	—	Resolved
April 1, 2006 – June 30, 2006	Monitoring, Regular	Pentachlorophenol	—	Resolved
April 1, 2006 – June 30, 2006	Monitoring, Regular	Carbofuran	—	Resolved
April 1, 2006 – June 30, 2006	Monitoring, Regular	Aldicarb sulfone	—	Resolved
April 1, 2006 – June 30, 2006	Monitoring, Regular	Aldicarb	—	Resolved
April 1, 2006 – June 30, 2006	Monitoring, Regular	LASSO	—	Resolved
April 1, 2006 – June 30, 2006	Monitoring, Regular	Endrin	—	Resolved
April 1, 2006 – June 30, 2006	Monitoring, Regular	BHC-GAMMA	—	Resolved
April 1, 2006 – June 30, 2006	Monitoring, Regular	OXAMYL	—	Resolved
April 1, 2006 – June 30, 2006	Monitoring, Regular	Di(2-ethylhexyl) phthalate	—	Resolved
January 1, 2006 – March 31, 2006	Monitoring, Regular	Hexachlorocyclopentadiene	—	Resolved
January 1, 2006 – March 31, 2006	Monitoring, Regular	1,2-DIBROMO-3-CHLOROPROPANE	—	Resolved
January 1, 2006 – March 31, 2006	Monitoring, Regular	Heptachlor	—	Resolved
October 1, 2005 – December 31, 2005	Monitoring, Regular	Atrazine	—	Resolved
October 1, 2005 – December 31, 2005	Monitoring, Regular	Methoxychlor	—	Resolved
October 1, 2005 – December 31, 2005	Monitoring, Regular	Endothall	—	Resolved
October 1, 2005 – December 31, 2005	Monitoring, Regular	Glyphosate	—	Resolved
October 1, 2005 – December 31, 2005	Monitoring, Regular	Di(2-ethylhexyl) adipate	—	Resolved
October 1, 2005 – December 31, 2005	Monitoring, Regular	OXAMYL	—	Resolved
October 1, 2005 – December 31, 2005	Monitoring, Regular	Di(2-ethylhexyl) phthalate	—	Resolved
October 1, 2005 – December 31, 2005	Monitoring, Regular	Picloram	—	Resolved
October 1, 2005 – December 31, 2005	Monitoring, Regular	Hexachlorocyclopentadiene	—	Resolved
October 1, 2005 – December 31, 2005	Monitoring, Regular	Heptachlor epoxide	—	Resolved
October 1, 2005 – December 31, 2005	Monitoring, Regular	Chlordane	—	Resolved
July 1, 2005 – September 30, 2005	Monitoring, Regular	Aldicarb sulfone	—	Resolved
July 1, 2005 – September 30, 2005	Monitoring, Regular	Endothall	—	Resolved
July 1, 2005 – September 30, 2005	Monitoring, Regular	Toxaphene	—	Resolved
July 1, 2005 – September 30, 2005	Monitoring, Regular	BHC-GAMMA	—	Resolved
July 1, 2005 – September 30, 2005	Monitoring, Regular	Hexachlorocyclopentadiene	—	Resolved
July 1, 2005 – September 30, 2005	Monitoring, Regular	Di(2-ethylhexyl) phthalate	—	Resolved
April 1, 2005 – June 30, 2005	Monitoring, Regular	HEXACHLOROBENZENE	—	Resolved
April 1, 2005 – June 30, 2005	Monitoring, Regular	ETHYLENE DIBROMIDE	—	Resolved
January 1, 2000 – December 31, 2000	Monitoring, Regular	Nitrate	—	Resolved

Resolved addressed and confirmed by the state

Enforcement actions

November 9, 2017State Public Notification requested8 linked violations
September 25, 2017State Compliance achieved7 linked violations
December 18, 2015State Public Notification requested28 linked violations
December 18, 2015State Violation/Reminder Notice7 linked violations
December 4, 2015State Violation/Reminder Notice5 linked violations
December 4, 2015State Public Notification requested3 linked violations
August 19, 2014State Compliance achieved4 linked violations
April 11, 2014State Public Notification received3 linked violations
June 26, 2013State Compliance achieved2 linked violations
October 26, 2012State Violation/Reminder Notice1 linked violation
October 26, 2012State Public Notification requested1 linked violation
October 24, 2012State Public Notification requested1 linked violation
October 24, 2012State Violation/Reminder Notice1 linked violation
July 6, 2011State Compliance achieved2 linked violations
June 30, 2011State Compliance achieved1 linked violation
April 6, 2011State Public Notification requested1 linked violation
April 6, 2011State Violation/Reminder Notice1 linked violation
October 25, 2010State Compliance achieved1 linked violation
October 25, 2010State Compliance achieved1 linked violation
October 22, 2010State Compliance achieved1 linked violation
October 22, 2010State Compliance achieved1 linked violation
October 22, 2010State Compliance achieved1 linked violation
October 22, 2010State Compliance achieved1 linked violation
October 22, 2010State Compliance achieved1 linked violation
October 22, 2010State Compliance achieved1 linked violation
October 22, 2010State Compliance achieved1 linked violation
October 4, 2010State Compliance achieved2 linked violations
October 26, 2009State Compliance achieved1 linked violation
October 13, 2009State Violation/Reminder Notice1 linked violation
March 26, 2009State Public Notification requested1 linked violation
March 26, 2009State Violation/Reminder Notice1 linked violation
February 28, 2009State Compliance achievedgeneral compliance action — not tied to a specific violation on record
February 28, 2009State Compliance achieved1 linked violation
February 28, 2009State Compliance achieved1 linked violation
February 28, 2009State Compliance achieved1 linked violation
February 25, 2009State Violation/Reminder Notice1 linked violation
February 25, 2009State Public Notification requested1 linked violation
January 31, 2009State Compliance achievedgeneral compliance action — not tied to a specific violation on record
January 31, 2009State Compliance achieved1 linked violation
January 31, 2009State Compliance achieved1 linked violation
January 31, 2009State Compliance achieved1 linked violation
December 31, 2008State Violation/Reminder Notice1 linked violation
December 31, 2008State Public Notification requested1 linked violation
September 25, 2008State Compliance achieved4 linked violations
December 3, 2007State Public Notification requested31 linked violations
December 3, 2007State Compliance achieved217 linked violations
December 3, 2007State Public Notification requested31 linked violations
December 3, 2007State Violation/Reminder Notice31 linked violations
December 3, 2007State Public Notification requested31 linked violations
December 3, 2007State Violation/Reminder Notice31 linked violations
December 3, 2007State Public Notification requested31 linked violations
December 3, 2007State Violation/Reminder Notice31 linked violations
December 3, 2007State Violation/Reminder Notice31 linked violations
December 3, 2007State Public Notification requested31 linked violations
December 3, 2007State Violation/Reminder Notice33 linked violations
December 3, 2007State Public Notification requested31 linked violations
December 3, 2007State Violation/Reminder Notice31 linked violations
December 3, 2007State Public Notification requested31 linked violations
December 3, 2007State Violation/Reminder Notice31 linked violations
October 3, 2007State Compliance achieved1 linked violation
September 10, 2007State Public Notification received1 linked violation
September 10, 2007State Public Notification received1 linked violation
August 9, 2007State Compliance achieved2 linked violations
August 9, 2007State Public Notification received2 linked violations
August 9, 2007State Compliance achieved1 linked violation
August 9, 2007State Compliance achieved1 linked violation
August 9, 2007State Public Notification received2 linked violations
August 9, 2007State Public Notification received3 linked violations
July 9, 2007State Violation/Reminder Notice2 linked violations
March 27, 2007State Compliance achieved3 linked violations
March 27, 2007State Compliance achieved1 linked violation
February 19, 2007State Public Notification requested2 linked violations
February 19, 2007State Violation/Reminder Notice1 linked violation
February 14, 2007State Violation/Reminder Notice8 linked violations
February 14, 2007State Violation/Reminder Notice2 linked violations
August 21, 2006State Public Notification requested11 linked violations
October 23, 2000State Compliance achievedgeneral compliance action — not tied to a specific violation on record

Contact

MIERA, ANDY JOSEPH

575-770-6291

ARROYO SECO, NM 87514