Public water system record

Tecolote MDWCA

Serves Las Vegas and Tecolote, San Miguel County, NM · 126 people served

Federal records show 5 health-based violations and 25 monitoring/reporting issues for Tecolote MDWCA in the last ten years, including an unresolved LEAD AND COPPER RULE REVISIONS violation.

NM3519325
LAS VEGAS
NM
126 served

System profile

Source water Groundwater

ZIP 87701

EPA system ID NM3519325

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: 25

Key facts

Tecolote MDWCA draws water from 1 well.
Most recent formal enforcement: compliance order (no penalty) by New Mexico, May 2005.
Record on file since 1983, with 14 health-based violations before October 19, 2016.

Check whether Tecolote MDWCA serves your address

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 4, 2019	Resolved	No
Groundwater Rule Treatment technique failure	140	Jul 1, 2016	Resolved	No
Groundwater Rule Treatment technique failure	140	Jul 1, 2016	Resolved	No
Groundwater Rule Treatment technique failure	140	Jul 1, 2016	Resolved	No

Monitoring and reporting issues

Since October 2016

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

Issue	Start date	Status
Consumer Confidence Rule OTHER	Jul 1, 2025	Active
Lead and Copper Rule Monitoring and reporting	Jul 1, 2025	Resolved
LEAD AND COPPER RULE REVISIONS RPT	Oct 17, 2024	Active
Lead and Copper Rule Monitoring and reporting	Oct 1, 2024	Resolved
Consumer Confidence Rule OTHER	Oct 1, 2022	Resolved
Consumer Confidence Rule OTHER	Jul 1, 2022	Resolved
Public Notice OTHER	Apr 17, 2022	Resolved
Consumer Confidence Rule OTHER	Jul 1, 2021	Resolved
Public Notice OTHER	May 21, 2021	Resolved
Public Notice OTHER	Apr 25, 2021	Resolved
Public Notice OTHER	Oct 16, 2020	Resolved
Consumer Confidence Rule OTHER	Oct 1, 2020	Resolved
Consumer Confidence Rule OTHER	Jul 1, 2020	Resolved
Revised Total Coliform Rule Monitoring violation	Apr 1, 2020	Resolved
Revised Total Coliform Rule Monitoring violation	Mar 1, 2020	Resolved
Haloacetic Acids (HAA5) Monitoring and reporting	Jul 1, 2019	Resolved
Total Trihalomethanes (TTHMs) Monitoring and reporting	Jul 1, 2019	Resolved
Consumer Confidence Rule OTHER	Jul 1, 2018	Resolved
Public Notice OTHER	Jul 31, 2017	Resolved
Consumer Confidence Rule OTHER	Jul 1, 2017	Resolved
Public Notice OTHER	Feb 17, 2017	Resolved
Revised Total Coliform Rule Monitoring violation	Nov 1, 2016	Resolved
Public Notice OTHER	Oct 15, 2016	Resolved
Public Notice OTHER	Jul 10, 2016	Resolved
Consumer Confidence Rule OTHER	Oct 19, 1999	Active

Full record since 1983

EPA's records for Tecolote MDWCA go back to 1983. Before October 19, 2016 they list 14 health-based violations (14 resolved) and 50 monitoring or reporting violations.

Violations that began in	Health-based	Monitoring and reporting
1980s	0	2
1990s	3	10
2000s	5	16
2010 to October 18, 2016	6	22
October 19, 2016 to 2019	1	7
2020s	1	15

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

Show all 14 health-based violations before October 19, 2016

Contaminant	Start date	Status
Groundwater Rule Treatment technique failure	Jul 1, 2016	Resolved
Groundwater Rule Treatment technique failure	Jul 1, 2016	Resolved
Groundwater Rule Treatment technique failure	Jul 1, 2016	Resolved
Total Coliform Contaminant limit exceeded	Nov 1, 2014	Resolved
Total Coliform Contaminant limit exceeded	Jul 1, 2010	Resolved
Total Coliform (acute) Contaminant limit exceeded	Jul 1, 2010	Resolved
Total Coliform Contaminant limit exceeded	Jul 1, 2009	Resolved
Total Coliform Contaminant limit exceeded	May 1, 2005	Resolved
Total Coliform Contaminant limit exceeded	Jan 1, 2003	Resolved
Total Coliform Contaminant limit exceeded	Jul 1, 2002	Resolved
Total Coliform Contaminant limit exceeded	Mar 1, 2002	Resolved
Total Coliform Contaminant limit exceeded	Aug 1, 1999	Resolved
Total Coliform Contaminant limit exceeded	Aug 1, 1998	Resolved
Total Coliform Contaminant limit exceeded	Jul 1, 1998	Resolved

Enforcement actions

New Mexico regulators and EPA took 2 formal enforcement actions against Tecolote MDWCA between 1999 and 2005. The most recent was a compliance order (no penalty) in May 2005.

Date	By	Action	Violations covered
May 10, 2005	New Mexico	Compliance order (no penalty)	10 violations (3 health-based): Total Coliform
Feb 26, 1999	EPA	Compliance order (no penalty)	7 violations (2 health-based): Total Coliform

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

Tecolote MDWCA draws water from 1 well.

Annual water quality report

Tecolote 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 Tecolote 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