LLANO, NM · Taos County

LLANO SAN JUAN MDWCA Water System

Inactive system

This water system is marked inactive in EPA’s federal records as of September 15, 2022. 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 Taos County, NM.

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed August 1, 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): NM3506429
System type: Community Water System
Population served: 84
Service connections: 21
Ownership: local government
Water source: groundwater (wells)

LLANO SAN JUAN MDWCA is one of 667 community water systems in New Mexico in the 500 or fewer people size category, formerly serving 84 people from groundwater.

EPA's federal records list this system as inactive in 2022; the record below is historical.

As of August 1, 2026, its federal record holds 1 entry in 2014, all of which EPA lists as closed. Nothing has been added since 2014.

None of the 1 are monitoring or reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset; these involve water-quality, treatment, or public-notice findings instead. The record involves the Groundwater Rule.

Violation history

Failure To Address Deficiency
Health-based
Groundwater Rule
November 6, 2014 – March 5, 2018
Resolved

Resolved addressed and confirmed by the state

Period	Violation	Contaminant / rule	Health-based	Status
November 6, 2014 – March 5, 2018	Failure To Address Deficiency	Groundwater Rule	Health-based	Resolved

Resolved addressed and confirmed by the state

Enforcement actions

September 25, 2024State no longer subject to Rule2 linked violations
July 29, 2019State Public Notification received12 linked violations
July 29, 2019State Public Notification received10 linked violations
June 17, 2019State Compliance achieved2 linked violations
June 17, 2019State Compliance achieved3 linked violations
January 10, 2019State Compliance achieved3 linked violations
August 3, 2018State Compliance achieved2 linked violations
August 3, 2018State Compliance achieved2 linked violations
August 3, 2018State Compliance achieved3 linked violations
August 3, 2018State Compliance achieved3 linked violations
July 30, 2018State Compliance achieved2 linked violations
March 5, 2018State Compliance achieved3 linked violations
March 5, 2018State Compliance achieved2 linked violations
February 16, 2018State Public Notification requested12 linked violations
February 16, 2018State Violation/Reminder Notice11 linked violations
October 5, 2017State Compliance achieved4 linked violations
October 5, 2017State Compliance achieved4 linked violations
October 5, 2017State Compliance achieved4 linked violations
August 16, 2017State Compliance achieved5 linked violations
May 30, 2017State Public Notification received4 linked violations
March 30, 2017State Compliance achieved2 linked violations
March 30, 2017State Compliance achieved2 linked violations
March 30, 2017State Compliance achieved2 linked violations
November 3, 2016State Violation/Reminder Notice13 linked violations
November 3, 2016State Violation/Reminder Notice6 linked violations
September 6, 2016State Public Notification requested3 linked violations
September 14, 2010State Compliance achieved13 linked violations

Last known contact on file (system is inactive)

LEHERISSEY, TANYA

575-587-2063

LLANO, NM 87543