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Public water system record

Barranco MDWCA

Serves an area of Rio Arriba County, NM that includes Abiquiu · 97 people served

Federal records show 5 health-based violations and 13 monitoring/reporting issues for Barranco MDWCA in the last ten years. The most serious issue in this window was a resolved LEAD AND COPPER RULE REVISIONS violation.

  • NM3500321
  • ABIQUIU
  • NM
  • 97 served

System profile

Source water Groundwater
ZIP 87510
EPA system ID NM3500321

Verify this system on EPA ECHO →

Health-based violations, last 10 years
5
Resolved
5
Unresolved
0
Any acute record
No
Monitoring issues, last 10 years
13

Key facts

  • Barranco MDWCA draws water from 1 well.
  • Most recent formal enforcement: compliance order (no penalty) by EPA, September 2003.
  • Record on file since 2002, with 5 health-based violations before October 20, 2016.
  • Lead pipe inventory: 0 lead and 0 unknown out of 26 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
LEAD AND COPPER RULE REVISIONS
Treatment technique failure
 350 Oct 17, 2024 Resolved No
Groundwater Rule
Treatment technique failure
 140 Mar 31, 2017 Resolved No
Groundwater Rule
Treatment technique failure
 140 Mar 31, 2017 Resolved No
Groundwater Rule
Treatment technique failure
 140 Mar 31, 2017 Resolved No
Groundwater Rule
Treatment technique failure
 140 Jan 3, 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
Monitoring and reporting
 Oct 1, 2025 Active
LEAD AND COPPER RULE REVISIONS
RPT
 Oct 17, 2024 Resolved
Consumer Confidence Rule
OTHER
 Jul 1, 2019 Resolved
Public Notice
OTHER
 Oct 17, 2018 Resolved
Haloacetic Acids (HAA5)
Monitoring and reporting
 Oct 1, 2018 Resolved
Public Notice
OTHER
 Feb 12, 2018 Resolved
Public Notice
OTHER
 Jan 23, 2018 Resolved
Lead and Copper Rule
Monitoring and reporting
 Oct 1, 2014 Resolved
Public Notice
OTHER
 May 17, 2014 Resolved
Lead and Copper Rule
Monitoring and reporting
 Oct 1, 2010 Resolved
Lead and Copper Rule
Monitoring and reporting
 Jan 1, 2008 Resolved
Lead and Copper Rule
Monitoring and reporting
 Jan 1, 2007 Resolved
Lead and Copper Rule
Monitoring and reporting
 Jan 1, 2006 Resolved

Full record since 2002

EPA's records for Barranco MDWCA go back to 2002. Before October 20, 2016 they list 5 health-based violations (2 resolved, 3 archived by EPA without a recorded fix) and 137 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
2000s 5 130
2010 to October 19, 2016 0 7
October 20, 2016 to 2019 4 5
2020s 1 2

Most recent health-based violation before October 20, 2016: Surface Water Treatment Rule, began December 2004, Resolved.

Show all 5 health-based violations before October 20, 2016
Contaminant Start date Status
Surface Water Treatment Rule
Treatment technique failure
 Dec 1, 2004 Resolved
Surface Water Treatment Rule
Treatment technique failure
 Nov 1, 2004 Resolved
Surface Water Treatment Rule
Treatment technique failure
 Sep 1, 2002 Archived
Surface Water Treatment Rule
Treatment technique failure
 Aug 1, 2002 Archived
Surface Water Treatment Rule
Treatment technique failure
 Jul 1, 2002 Archived

Enforcement actions

EPA took 1 formal enforcement action against Barranco MDWCA in 2003. The most recent was a compliance order (no penalty) in September 2003.

Date By Action Violations covered
Sep 23, 2003 EPA Compliance order (no penalty) 5 violations (5 health-based): Surface Water Treatment 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

Barranco MDWCA draws water from 1 well.

Annual water quality report

Barranco 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 Barranco 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.

Certified drinking water labs by state EPA guidance for private wells