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Public water system record

Rio Embudo MDWCA

Serves Dixon, Rio Arriba County, NM · 159 people served

Federal records show 2 health-based violations and 17 monitoring/reporting issues for Rio Embudo MDWCA in the last ten years, including an unresolved Surface Water Treatment Rule violation.

  • NM3500721
  • DIXON
  • NM
  • 159 served

System profile

Source water Groundwater
ZIP 87527
EPA system ID NM3500721

Verify this system on EPA ECHO →

Health-based violations, last 10 years
2
Resolved
1
Unresolved
1
Any acute record
No
Monitoring issues, last 10 years
17

Key facts

  • Rio Embudo MDWCA draws water from 3 wells.
  • Most recent formal enforcement: penalty complaint settled by consent order or decree by EPA, May 1997.
  • Record on file since 1991, with 3 health-based violations before October 20, 2016.
  • Lead pipe inventory: 0 lead and 32 unknown out of 61 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 May 18, 2019 Resolved No
Surface Water Treatment Rule
Treatment technique failure
 120 Jan 1, 1992 Active
Enforcement action in place
 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, 2022 Resolved
Public Notice
OTHER
 Feb 21, 2021 Resolved
Public Notice
OTHER
 Feb 12, 2021 Resolved
Consumer Confidence Rule
OTHER
 Jul 1, 2020 Resolved
Public Notice
OTHER
 Mar 14, 2020 Resolved
Revised Total Coliform Rule
Monitoring violation
 Jan 1, 2020 Resolved
Consumer Confidence Rule
OTHER
 Jul 1, 2019 Resolved
Groundwater Rule
OTHER
 Feb 20, 2019 Resolved
Consumer Confidence Rule
OTHER
 Jul 1, 2018 Resolved
Public Notice
OTHER
 Mar 17, 2018 Resolved
Public Notice
OTHER
 Jan 7, 2018 Resolved
Public Notice
OTHER
 Nov 4, 2017 Resolved
Public Notice
OTHER
 Oct 8, 2017 Resolved
Public Notice
OTHER
 Sep 14, 2017 Resolved
Consumer Confidence Rule
OTHER
 Jul 1, 2016 Resolved
Lead and Copper Rule
Monitoring and reporting
 Oct 1, 2015 Resolved
Consumer Confidence Rule
OTHER
 Jul 1, 2015 Resolved

Full record since 1991

EPA's records for Rio Embudo MDWCA go back to 1991. Before October 20, 2016 they list 3 health-based violations (2 resolved, 1 not resolved) and 50 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1990s 3 30
2000s 0 10
2010 to October 19, 2016 0 10
October 20, 2016 to 2019 1 8
2020s 0 6

Most recent health-based violation before October 20, 2016: Total Coliform (acute), began August 1996, Resolved.

Show all 3 health-based violations before October 20, 2016
Contaminant Start date Status
Total Coliform (acute)
Contaminant limit exceeded
 Aug 1, 1996 Resolved
Total Coliform
Contaminant limit exceeded
 Nov 1, 1994 Resolved
Surface Water Treatment Rule
Treatment technique failure
 Jan 1, 1992 Active

Enforcement actions

New Mexico regulators and EPA took 4 formal enforcement actions against Rio Embudo MDWCA and issued 1 boil water order between 1993 and 1997. The most recent was a penalty complaint settled by consent order or decree in May 1997.

Date By Action Violations covered
May 30, 1997 EPA Penalty complaint settled by consent order or decree 14 violations (3 health-based): Total Coliform, Surface Water Treatment Rule
Sep 5, 1996 New Mexico Boil water order 1 violation (1 health-based): Total Coliform
Apr 17, 1995 EPA Complaint seeking a penalty 21 violations (2 health-based): Total Coliform, Surface Water Treatment Rule
May 19, 1994 EPA Compliance order (no penalty) 17 violations (1 health-based): Total Coliform, Surface Water Treatment Rule
Jul 1, 1993 EPA Compliance order (no penalty) 16 violations (1 health-based): Total Coliform, Surface Water Treatment Rule

What the violations mean

Groundwater Rule

1 incident

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 this violation.

Surface Water Treatment Rule

1 incident

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

The utility had to notify customers about this violation.

Where the water comes from

Rio Embudo MDWCA draws water from 3 wells.

Annual water quality report

Rio Embudo 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 Rio Embudo 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