ALCALDE, NM · Rio Arriba County

ALCALDE 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): NM3535021
System type: Community Water System
Population served: 927
Service connections: 309
Ownership: local government
Water source: groundwater (wells)

Violation history

Maximum Contaminant Level Violation, Average
Health-based
Arsenic
January 1, 2024 – March 31, 2024
Archived
Public Notification Violation for NPDWR Violation
—
Public Notice
January 31, 2018 – July 1, 2017
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
October 1, 2017 – December 31, 2017
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
July 1, 2017 – September 30, 2017
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
July 1, 2016 – September 30, 2016
Resolved
Sample Siting Plan Errors (RTCR)
—
Revised Total Coliform Rule
June 2, 2016 – July 27, 2016
Resolved
Monitoring, Regular
—
Fluoride
July 1, 2005 – September 30, 2005
Resolved

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

Period	Violation	Contaminant / rule	Health-based	Status
January 1, 2024 – March 31, 2024	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Archived
January 31, 2018 – July 1, 2017	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
October 1, 2017 – December 31, 2017	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Resolved
July 1, 2017 – September 30, 2017	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Resolved
July 1, 2016 – September 30, 2016	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Resolved
June 2, 2016 – July 27, 2016	Sample Siting Plan Errors (RTCR)	Revised Total Coliform Rule	—	Resolved
July 1, 2005 – September 30, 2005	Monitoring, Regular	Fluoride	—	Resolved

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

Enforcement actions

October 15, 2025State Public Notification requested2 linked violations
June 11, 2025State Public Notification requested2 linked violations
April 8, 2025State Violation/Reminder Notice2 linked violations
March 4, 2025State Public Notification received1 linked violation
February 10, 2025State Public Notification requested1 linked violation
February 10, 2025State Violation/Reminder Notice1 linked violation
October 31, 2024State Public Notification received1 linked violation
September 30, 2024State Public Notification requested1 linked violation
September 30, 2024State Violation/Reminder Notice1 linked violation
April 22, 2024State Violation/Reminder Notice2 linked violations
April 22, 2024State Public Notification requested1 linked violation
September 1, 2020State Compliance achieved4 linked violations
March 17, 2020State Violation/Reminder Notice3 linked violations
March 16, 2020State Compliance achieved2 linked violations
February 25, 2020State Compliance achieved5 linked violations
February 10, 2020State Violation/Reminder Notice2 linked violations
September 27, 2019State Public Notification requested3 linked violations
September 27, 2019State Violation/Reminder Notice4 linked violations
June 13, 2019State Public Notification requested5 linked violations
February 14, 2019State Compliance achieved4 linked violations
August 21, 2018State Compliance achieved2 linked violations
May 30, 2018State Compliance achieved4 linked violations
February 1, 2017State Public Notification received4 linked violations
January 24, 2017State Violation/Reminder Notice8 linked violations
October 7, 2016State Public Notification received3 linked violations
September 16, 2016State Public Notification requested3 linked violations
September 12, 2016State Public Notification requested2 linked violations
August 31, 2016State Compliance achieved3 linked violations
August 3, 2016State Compliance achieved2 linked violations
April 15, 2016State Public Notification requested2 linked violations
September 15, 2015State Compliance achieved2 linked violations
May 23, 2015State Public Notification received2 linked violations
June 26, 2013State Compliance achieved2 linked violations
February 4, 2013State Compliance achieved2 linked violations
January 14, 2013State Compliance achieved2 linked violations
July 1, 2011State Public Notification received2 linked violations
January 4, 2011State Violation/Reminder Notice9 linked violations
January 4, 2011State Violation/Reminder Notice2 linked violations
January 4, 2011State Public Notification requested2 linked violations
January 4, 2011State Public Notification requested2 linked violations
November 30, 2010State Public Notification requested2 linked violations
October 22, 2010State Compliance achieved5 linked violations
October 7, 2010State Public Notification requested2 linked violations
September 7, 2010State Public Notification requested1 linked violation
July 21, 2010State Violation/Reminder Notice2 linked violations
July 10, 2009State Violation/Reminder Notice2 linked violations
March 19, 2008State Compliance achieved3 linked violations
August 29, 2007State Compliance achieved9 linked violations
March 8, 2007State Violation/Reminder Notice2 linked violations
March 15, 1993State Public Notification requested17 linked violations
February 17, 1993State Violation/Reminder Notice10 linked violations

Contact

VALDEZ, MATTHEW

505-929-1196

ALCALDE, NM 87511