Public water system record

El Coruco MDWCA

Serves Ribera, San Miguel County, NM · 93 people served

Federal records show 2 health-based violations and 4 monitoring/reporting issues for El Coruco MDWCA in the last ten years, including an unresolved LEAD AND COPPER RULE REVISIONS violation.

  • NM3516825
  • RIBERA
  • NM
  • 93 served

System profile

Source water Groundwater
ZIP 87560
EPA system ID NM3516825

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
4

Key facts

  • El Coruco MDWCA draws water from 1 well.
  • Most recent formal enforcement: compliance order (no penalty) by EPA, September 2000.
  • Record on file since 1991, with 4 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 Jan 1, 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 Active
Groundwater Rule
OTHER
Apr 1, 2019 Resolved
Public Notice
OTHER
Feb 17, 2017 Resolved

Full record since 1991

EPA's records for El Coruco MDWCA go back to 1991. Before October 19, 2016 they list 4 health-based violations (4 resolved) and 19 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1990s 0 5
2000s 1 11
2010 to October 18, 2016 3 3
October 19, 2016 to 2019 1 2
2020s 1 2

Most recent health-based violation before October 19, 2016: Groundwater Rule, began September 2012, Resolved.

Show all 4 health-based violations before October 19, 2016
Contaminant Start date Status
Groundwater Rule
Treatment technique failure
Sep 26, 2012 Resolved
Total Coliform
Contaminant limit exceeded
Aug 1, 2011 Resolved
Total Coliform
Contaminant limit exceeded
Jul 1, 2010 Resolved
Total Coliform
Contaminant limit exceeded
Jul 1, 2008 Resolved

Enforcement actions

EPA took 1 formal enforcement action against El Coruco MDWCA in 2000. The most recent was a compliance order (no penalty) in September 2000.

Date By Action Violations covered
Sep 22, 2000 EPA Compliance order (no penalty) 1 violation: Consumer Confidence Rule

What the violations mean

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.

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.

Where the water comes from

El Coruco MDWCA draws water from 1 well. 1 other community water system buys water from El Coruco MDWCA.

Community systems that buy water from it

Annual water quality report

El Coruco 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 El Coruco 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.