CHIMAYO, NM · Rio Arriba County

LLANO CHIMAYO MDWCA Water System

Inactive system

This water system is marked inactive in EPA’s federal records as of March 17, 2009. 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 Rio Arriba County, NM.

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): NM3502521
System type: Community Water System
Population served: 30
Service connections: 24
Ownership: local government
Water source: groundwater (wells)

Violation history

Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
October 1, 2006 – March 17, 2009
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2006 – May 20, 2007
Resolved
Monitoring, Regular
—
Nitrate-Nitrite
July 1, 2006 – September 30, 2006
Resolved
Monitoring, Regular
—
Nitrate-Nitrite
April 1, 2006 – June 30, 2006
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2005 – March 17, 2009
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2004 – May 20, 2007
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Nitrate
September 1, 1992 – August 31, 1995
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
February 1, 1992 – February 29, 1992
Archived
Maximum Contaminant Level Violation, Average
Health-based
Fluoride
July 1, 1984 – June 30, 1987
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
October 1, 2006 – March 17, 2009	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Resolved
July 1, 2006 – May 20, 2007	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
July 1, 2006 – September 30, 2006	Monitoring, Regular	Nitrate-Nitrite	—	Resolved
April 1, 2006 – June 30, 2006	Monitoring, Regular	Nitrate-Nitrite	—	Resolved
July 1, 2005 – March 17, 2009	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
July 1, 2004 – May 20, 2007	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
September 1, 1992 – August 31, 1995	Maximum Contaminant Level Violation, Average	Nitrate	Health-based	Resolved
February 1, 1992 – February 29, 1992	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
July 1, 1984 – June 30, 1987	Maximum Contaminant Level Violation, Average	Fluoride	Health-based	Archived

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

Enforcement actions

December 1, 2010State Violation/Reminder Notice1 linked violation
December 1, 2010State Public Notification requested1 linked violation
December 1, 2010State Violation/Reminder Notice1 linked violation
December 1, 2010State Public Notification requested1 linked violation
July 8, 2009State Compliance achieved3 linked violations
May 20, 2007State Compliance achieved2 linked violations
October 18, 2006State Compliance achieved2 linked violations
August 21, 2006State Violation/Reminder Notice3 linked violations
January 4, 2006State Violation/Reminder Notice7 linked violations
September 13, 2004State Compliance achieved5 linked violations
February 24, 1992State Public Notification requested2 linked violations

Last known contact on file (system is inactive)

MARTINEZ, TOMAS

505-351-4851

CHIMAYO, NM 87522