Public water system record

Tierra Amarilla MDWCA

Serves Tierra Amarilla, Rio Arriba County, NM · 470 people served

Federal records show 5 health-based violations and 34 monitoring/reporting issues for Tierra Amarilla MDWCA in the last ten years, including an unresolved LEAD AND COPPER RULE REVISIONS violation.

  • NM3503321
  • TIERRA AMARILLA
  • NM
  • 470 served

System profile

Source water Groundwater
ZIP 87575
EPA system ID NM3503321

Verify this system on EPA ECHO →

Health-based violations, last 10 years
5
Resolved
4
Unresolved
1
Any acute record
No
Monitoring issues, last 10 years
34

Key facts

  • Tierra Amarilla MDWCA draws water from 3 wells.
  • Most recent formal enforcement: compliance order (no penalty) by New Mexico, February 2018.
  • Record on file since 1999, with 9 health-based violations before October 19, 2016.

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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
LEAD AND COPPER RULE REVISIONS
Treatment technique failure
350 Oct 17, 2024 Active No
Groundwater Rule
Treatment technique failure
140 Apr 27, 2023 Resolved No
Groundwater Rule
Treatment technique failure
140 Apr 27, 2023 Resolved No
Groundwater Rule
Treatment technique failure
140 Dec 5, 2017 Resolved No
Groundwater Rule
Treatment technique failure
140 Dec 5, 2017 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 REVISIONS
RPT
Oct 17, 2024 Active
Consumer Confidence Rule
OTHER
Oct 1, 2024 Resolved
Consumer Confidence Rule
OTHER
Jul 1, 2024 Resolved
Consumer Confidence Rule
OTHER
Oct 1, 2023 Resolved
Consumer Confidence Rule
OTHER
Jul 1, 2023 Resolved
Consumer Confidence Rule
OTHER
Oct 1, 2021 Resolved
Consumer Confidence Rule
OTHER
Jul 1, 2021 Resolved
Public Notice
OTHER
Apr 1, 2021 Resolved
Consumer Confidence Rule
OTHER
Oct 1, 2020 Resolved
Consumer Confidence Rule
OTHER
Jul 1, 2020 Resolved
Consumer Confidence Rule
OTHER
Oct 1, 2019 Resolved
Consumer Confidence Rule
OTHER
Jul 1, 2019 Resolved
Public Notice
OTHER
Dec 12, 2018 Resolved
Public Notice
OTHER
Dec 12, 2018 Resolved
Public Notice
OTHER
Nov 10, 2018 Resolved
Consumer Confidence Rule
OTHER
Oct 1, 2018 Resolved
Haloacetic Acids (HAA5)
Monitoring and reporting
Aug 1, 2018 Resolved
Consumer Confidence Rule
OTHER
Jul 1, 2018 Resolved
Public Notice
OTHER
Feb 10, 2018 Resolved
Public Notice
OTHER
Nov 19, 2017 Resolved
Public Notice
OTHER
Oct 28, 2017 Resolved
Public Notice
OTHER
Oct 28, 2017 Resolved
Public Notice
OTHER
Oct 28, 2017 Resolved
Public Notice
OTHER
Oct 28, 2017 Resolved
Public Notice
OTHER
Oct 14, 2017 Resolved
Consumer Confidence Rule
OTHER
Oct 1, 2017 Resolved
Lead and Copper Rule
Monitoring and reporting
Oct 1, 2017 Resolved
Consumer Confidence Rule
OTHER
Jul 1, 2017 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
Oct 1, 2016 Resolved
Haloacetic Acids (HAA5)
Monitoring and reporting
Aug 1, 2016 Resolved
Consumer Confidence Rule
OTHER
Jul 1, 2016 Resolved
Consumer Confidence Rule
OTHER
Jul 1, 2015 Resolved
Public Notice
OTHER
Jun 6, 2015 Resolved
Lead and Copper Rule
Monitoring and reporting
Oct 1, 2014 Resolved

Full record since 1999

EPA's records for Tierra Amarilla MDWCA go back to 1999. Before October 19, 2016 they list 9 health-based violations (9 resolved) and 23 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1990s 0 2
2000s 0 2
2010 to October 18, 2016 9 19
October 19, 2016 to 2019 2 18
2020s 3 10

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

Show all 9 health-based violations before October 19, 2016
Contaminant Start date Status
Groundwater Rule
Treatment technique failure
Jan 21, 2015 Resolved
Groundwater Rule
Treatment technique failure
Jan 21, 2015 Resolved
Groundwater Rule
Treatment technique failure
Jan 21, 2015 Resolved
Groundwater Rule
Treatment technique failure
Jan 21, 2015 Resolved
Groundwater Rule
Treatment technique failure
Oct 26, 2014 Resolved
Groundwater Rule
Treatment technique failure
Oct 26, 2014 Resolved
Groundwater Rule
Treatment technique failure
Oct 26, 2014 Resolved
Groundwater Rule
Treatment technique failure
Oct 26, 2014 Resolved
Stage 1 Disinfection Byproducts Rule
Treatment technique failure
Oct 27, 2010 Resolved

Enforcement actions

New Mexico regulators took 1 formal enforcement action against Tierra Amarilla MDWCA in 2018. The most recent was a compliance order (no penalty) in February 2018.

Date By Action Violations covered
Feb 28, 2018 New Mexico Compliance order (no penalty) 14 violations: Haloacetic Acids (HAA5), Total Trihalomethanes (TTHMs), Consumer Confidence Rule, Public Notice, Lead and Copper Rule

What the violations mean

Groundwater Rule

4 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

Tierra Amarilla MDWCA draws water from 3 wells.

Annual water quality report

Tierra Amarilla 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.

Systems serving 500 or fewer people may meet the rule by telling customers the report is available on request, so you may need to ask Tierra Amarilla MDWCA for a copy.

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.