Public water system record

Cordova MDWCA

Serves Cordova, Rio Arriba County, NM · 325 people served

Federal records show 12 health-based violations and 43 monitoring/reporting issues for Cordova MDWCA in the last ten years, including an unresolved LEAD AND COPPER RULE REVISIONS violation.

  • NM3501221
  • CORDOVA
  • NM
  • 325 served

System profile

Source water Groundwater
ZIP 87523
EPA system ID NM3501221

Verify this system on EPA ECHO →

Health-based violations, last 10 years
12
Resolved
11
Unresolved
1
Any acute record
No
Monitoring issues, last 10 years
43

Key facts

  • Cordova MDWCA draws water from 2 wells.
  • Most recent formal enforcement: compliance order (no penalty) by EPA, September 2000.
  • Record on file since 1981, with 5 health-based violations before October 20, 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 Feb 24, 2024 Resolved No
Groundwater Rule
Treatment technique failure
140 Feb 24, 2024 Resolved No
Groundwater Rule
Treatment technique failure
140 Feb 24, 2024 Resolved No
Groundwater Rule
Treatment technique failure
140 Feb 24, 2024 Resolved No
Groundwater Rule
Treatment technique failure
140 Feb 24, 2024 Resolved No
Groundwater Rule
Treatment technique failure
140 Feb 24, 2024 Resolved No
Groundwater Rule
Treatment technique failure
140 Feb 24, 2024 Resolved No
Groundwater Rule
Treatment technique failure
140 May 27, 2020 Resolved No
Groundwater Rule
Treatment technique failure
140 May 27, 2020 Resolved No
Groundwater Rule
Treatment technique failure
140 May 27, 2020 Resolved No
Groundwater Rule
Treatment technique failure
140 May 4, 2016 Resolved No

Monitoring and reporting issues

Since October 2016

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

Issue Start date Status
Revised Total Coliform Rule
Monitoring violation
Jul 1, 2025 Resolved
Consumer Confidence Rule
OTHER
Jul 1, 2025 Resolved
Revised Total Coliform Rule
Monitoring violation
Nov 1, 2024 Resolved
LEAD AND COPPER RULE REVISIONS
RPT
Oct 17, 2024 Active
Revised Total Coliform Rule
Monitoring violation
Oct 1, 2024 Resolved
Chlorine
Monitoring and reporting
Apr 1, 2024 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Groundwater Rule
OTHER
Nov 7, 2023 Resolved
Consumer Confidence Rule
OTHER
Oct 1, 2022 Resolved
Public Notice
OTHER
Sep 23, 2022 Resolved
Lead and Copper Rule
Monitoring and reporting
Oct 1, 2021 Resolved
Public Notice
OTHER
Nov 26, 2020 Resolved
Consumer Confidence Rule
OTHER
Oct 1, 2020 Resolved
Consumer Confidence Rule
OTHER
Jul 1, 2020 Resolved
Haloacetic Acids (HAA5)
Monitoring and reporting
Aug 1, 2019 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
Aug 1, 2019 Resolved
Public Notice
OTHER
Mar 23, 2018 Resolved
Public Notice
OTHER
Mar 23, 2018 Resolved
Public Notice
OTHER
Jan 14, 2018 Resolved
Public Notice
OTHER
Jan 14, 2018 Resolved
Lead and Copper Rule
Monitoring and reporting
Oct 1, 2017 Resolved
Haloacetic Acids (HAA5)
Monitoring and reporting
Aug 1, 2017 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
Aug 1, 2017 Resolved
Public Notice
OTHER
Apr 3, 2017 Resolved
Revised Total Coliform Rule
Monitoring violation
Mar 1, 2017 Resolved
Public Notice
OTHER
Feb 10, 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
Public Notice
OTHER
Oct 26, 2016 Resolved
Revised Total Coliform Rule
Monitoring violation
Oct 1, 2016 Resolved
Haloacetic Acids (HAA5)
Monitoring and reporting
Aug 1, 2016 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
Aug 1, 2016 Resolved
Consumer Confidence Rule
OTHER
Jul 1, 2016 Resolved
Public Notice
OTHER
Jun 4, 2016 Resolved
Revised Total Coliform Rule
OTHER
Jun 2, 2016 Resolved
Consumer Confidence Rule
OTHER
Jul 1, 2015 Resolved
Lead and Copper Rule
Monitoring and reporting
Oct 1, 2014 Resolved
Consumer Confidence Rule
OTHER
Jul 1, 2014 Resolved
Public Notice
OTHER
Jun 4, 2014 Resolved
Consumer Confidence Rule
OTHER
Jul 1, 2013 Resolved
E. coli
Monitoring and reporting
May 2, 2013 Active
Consumer Confidence Rule
OTHER
Oct 19, 1999 Active
Enforcement action in place

Full record since 1981

EPA's records for Cordova MDWCA go back to 1981. Before October 20, 2016 they list 5 health-based violations (5 resolved) and 45 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1980s 0 6
1990s 1 6
2000s 2 2
2010 to October 19, 2016 2 31
October 20, 2016 to 2019 0 17
2020s 11 13

Most recent health-based violation before October 20, 2016: Groundwater Rule, began May 2016, Resolved.

Show all 5 health-based violations before October 20, 2016
Contaminant Start date Status
Groundwater Rule
Treatment technique failure
May 4, 2016 Resolved
Total Coliform
Contaminant limit exceeded
Oct 1, 2011 Resolved
Total Coliform
Contaminant limit exceeded
May 1, 2000 Resolved
Total Coliform
Contaminant limit exceeded
Apr 1, 2000 Resolved
Total Coliform
Contaminant limit exceeded
Aug 1, 1998 Resolved

Enforcement actions

EPA took 1 formal enforcement action against Cordova 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) 2 violations: Consumer Confidence Rule

What the violations mean

Groundwater Rule

11 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

Cordova MDWCA draws water from 2 wells.

Annual water quality report

Cordova 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 Cordova 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.