Public water system record

Truchas MDWCA

Serves Truchas, Rio Arriba County, NM · 629 people served

Federal records show 19 health-based violations and 21 monitoring/reporting issues for Truchas MDWCA in the last ten years, including an unresolved Groundwater Rule violation.

  • NM3503421
  • TRUCHAS
  • NM
  • 629 served

System profile

Source water Groundwater
ZIP 87578
EPA system ID NM3503421

Verify this system on EPA ECHO →

Health-based violations, last 10 years
19
Resolved
8
Unresolved
11
Any acute record
No
Monitoring issues, last 10 years
21

Key facts

  • Truchas MDWCA draws water from 1 well.
  • Record on file since 1981, with 10 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 237 unknown out of 237 service lines.

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Health-based violations

Since October 2016

Violation data reflects EPA records through March 2026. For the most current status, visit the EPA ECHO database.

Contaminant Rule family Start date Status Acute
Groundwater Rule
Treatment technique failure
140 Jul 16, 2025 Active No
Groundwater Rule
Treatment technique failure
140 Jul 16, 2025 Active No
Groundwater Rule
Treatment technique failure
140 Jul 16, 2025 Active No
Groundwater Rule
Treatment technique failure
140 Jul 16, 2025 Active No
Groundwater Rule
Treatment technique failure
140 Jul 16, 2025 Active No
Groundwater Rule
Treatment technique failure
140 Jul 16, 2025 Active No
Groundwater Rule
Treatment technique failure
140 Jul 16, 2025 Active No
Groundwater Rule
Treatment technique failure
140 Jul 16, 2025 Active No
Groundwater Rule
Treatment technique failure
140 Jul 16, 2025 Active No
Groundwater Rule
Treatment technique failure
140 Jul 16, 2025 Active No
Groundwater Rule
Treatment technique failure
140 Jul 16, 2025 Active No
LEAD AND COPPER RULE REVISIONS
Treatment technique failure
350 Oct 17, 2024 Resolved No
Groundwater Rule
Treatment technique failure
140 Dec 5, 2015 Resolved No
Groundwater Rule
Treatment technique failure
140 Dec 5, 2015 Resolved No
Groundwater Rule
Treatment technique failure
140 Dec 5, 2015 Resolved No
Groundwater Rule
Treatment technique failure
140 Dec 5, 2015 Resolved No
Groundwater Rule
Treatment technique failure
140 Dec 5, 2015 Resolved No
Groundwater Rule
Treatment technique failure
140 Sep 9, 2015 Resolved No
Groundwater Rule
Treatment technique failure
140 Sep 9, 2015 Resolved No

Monitoring and reporting issues

Since October 2016

Missed tests or reports, not contaminants found above a limit.

Issue Start date Status
Lead and Copper Rule
Monitoring and reporting
Jul 1, 2025 Active
Groundwater Rule
OTHER
Apr 20, 2025 Active
LEAD AND COPPER RULE REVISIONS
RPT
Oct 17, 2024 Resolved
Lead and Copper Rule
Monitoring and reporting
Oct 1, 2024 Active
Public Notice
OTHER
Oct 18, 2017 Resolved
Public Notice
OTHER
Oct 18, 2017 Resolved
Public Notice
OTHER
Oct 18, 2017 Resolved
Public Notice
OTHER
Oct 18, 2017 Resolved
Public Notice
OTHER
Oct 7, 2017 Resolved
Consumer Confidence Rule
OTHER
Jul 1, 2017 Resolved
Revised Total Coliform Rule
Monitoring violation
Apr 1, 2017 Resolved
Revised Total Coliform Rule
Monitoring violation
Mar 1, 2017 Resolved
Revised Total Coliform Rule
Monitoring violation
Feb 1, 2017 Resolved
Revised Total Coliform Rule
Monitoring violation
Jan 1, 2017 Resolved
Revised Total Coliform Rule
Monitoring violation
Dec 1, 2016 Resolved
Revised Total Coliform Rule
Monitoring violation
Nov 1, 2016 Resolved
Lead and Copper Rule
Monitoring and reporting
Oct 1, 2016 Resolved
Revised Total Coliform Rule
Monitoring violation
Oct 1, 2016 Resolved
Revised Total Coliform Rule
OTHER
Jun 2, 2016 Resolved
Lead and Copper Rule
Monitoring and reporting
Oct 1, 2015 Resolved
Lead and Copper Rule
Monitoring and reporting
Oct 1, 2012 Resolved

Full record since 1981

EPA's records for Truchas MDWCA go back to 1981. Before October 19, 2016 they list 10 health-based violations (10 resolved) and 27 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1980s 0 6
1990s 0 2
2000s 0 8
2010 to October 18, 2016 10 11
October 19, 2016 to 2019 0 12
2020s 12 4

Most recent health-based violation before October 19, 2016: Groundwater Rule, began December 2015, Resolved.

Show all 10 health-based violations before October 19, 2016
Contaminant Start date Status
Groundwater Rule
Treatment technique failure
Dec 5, 2015 Resolved
Groundwater Rule
Treatment technique failure
Dec 5, 2015 Resolved
Groundwater Rule
Treatment technique failure
Dec 5, 2015 Resolved
Groundwater Rule
Treatment technique failure
Dec 5, 2015 Resolved
Groundwater Rule
Treatment technique failure
Dec 5, 2015 Resolved
Groundwater Rule
Treatment technique failure
Sep 9, 2015 Resolved
Groundwater Rule
Treatment technique failure
Sep 9, 2015 Resolved
Groundwater Rule
Treatment technique failure
Sep 9, 2015 Resolved
Groundwater Rule
Treatment technique failure
Sep 9, 2015 Resolved
Groundwater Rule
Treatment technique failure
Sep 9, 2015 Resolved

What the violations mean

Groundwater Rule

18 incidents

The system did not complete a treatment step or action that the Groundwater Rule requires (a treatment technique violation).

The utility had to notify customers about each of these violations.

LEAD AND COPPER RULE REVISIONS

1 incident

The system did not complete a treatment step or action that the LEAD AND COPPER RULE REVISIONS requires (a treatment technique violation).

The utility had to notify customers about this violation.

Where the water comes from

Truchas MDWCA draws water from 1 well.

Annual water quality report

Truchas MDWCA must give its customers an annual water quality report (Consumer Confidence Report) by July 1, with the levels its tests found in the previous year.

Where the state allows it, systems serving fewer than 10,000 people may publish the report in a local newspaper or news site instead of mailing it, and must provide a copy on request.

Find a posted report with EPA's Consumer Confidence Report search

Testing your own water

To test the water at your tap, or a private well this record does not cover, use a laboratory certified for drinking water by New Mexico.