Public water system record

Canon MDWCA

Serves an area of Taos County, NM · 200 people served

Federal records show 5 health-based violations and 38 monitoring/reporting issues for Canon MDWCA in the last ten years, including an unresolved LEAD AND COPPER RULE REVISIONS violation.

NM3505629
TAOS
NM
200 served

System profile

Source water Groundwater

ZIP 87571

EPA system ID NM3505629

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: 38

Key facts

Canon MDWCA draws water from 2 wells.
Most recent enforcement action: boil water order by New Mexico, August 2009.
Record on file since 1990, with 5 health-based violations before October 19, 2016.

Check whether Canon 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	Jan 6, 2017	Resolved	No
Groundwater Rule Treatment technique failure	140	Jan 6, 2017	Resolved	No
Groundwater Rule Treatment technique failure	140	Oct 11, 2016	Resolved	No
Groundwater Rule Treatment technique failure	140	Oct 11, 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	Oct 1, 2025	Active
Consumer Confidence Rule OTHER	Jul 1, 2025	Active
LEAD AND COPPER RULE REVISIONS RPT	Oct 17, 2024	Active
Consumer Confidence Rule OTHER	Oct 1, 2024	Active
Consumer Confidence Rule OTHER	Jul 1, 2024	Active
Consumer Confidence Rule OTHER	Oct 1, 2023	Resolved
Lead and Copper Rule Monitoring and reporting	Oct 1, 2022	Resolved
E. coli Monitoring and reporting	Aug 19, 2022	Resolved
Consumer Confidence Rule OTHER	Jul 1, 2021	Resolved
Haloacetic Acids (HAA5) Monitoring and reporting	Oct 1, 2020	Resolved
Total Trihalomethanes (TTHMs) Monitoring and reporting	Oct 1, 2020	Resolved
Consumer Confidence Rule OTHER	Jul 1, 2020	Resolved
Public Notice OTHER	Feb 16, 2020	Resolved
Haloacetic Acids (HAA5) Monitoring and reporting	Oct 1, 2019	Resolved
Total Trihalomethanes (TTHMs) Monitoring and reporting	Oct 1, 2019	Resolved
Consumer Confidence Rule OTHER	Oct 1, 2019	Resolved
Public Notice OTHER	Nov 10, 2018	Resolved
Public Notice OTHER	Mar 18, 2018	Resolved
Haloacetic Acids (HAA5) Monitoring and reporting	Oct 1, 2017	Resolved
Total Trihalomethanes (TTHMs) Monitoring and reporting	Oct 1, 2017	Resolved
Public Notice OTHER	Sep 17, 2017	Resolved
Public Notice OTHER	Sep 13, 2017	Resolved
Consumer Confidence Rule OTHER	Jul 1, 2017	Resolved
Public Notice OTHER	Apr 10, 2017	Resolved
Public Notice OTHER	Apr 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
Consumer Confidence Rule OTHER	Oct 1, 2016	Resolved
Haloacetic Acids (HAA5) Monitoring and reporting	Oct 1, 2016	Resolved
Total Trihalomethanes (TTHMs) Monitoring and reporting	Oct 1, 2016	Resolved
Revised Total Coliform Rule Monitoring violation	Oct 1, 2016	Resolved
Consumer Confidence Rule OTHER	Jul 1, 2016	Resolved
Revised Total Coliform Rule OTHER	Jun 2, 2016	Resolved
Consumer Confidence Rule OTHER	Oct 1, 2015	Resolved
Consumer Confidence Rule OTHER	Jul 1, 2015	Resolved
Lead and Copper Rule Monitoring and reporting	Oct 1, 2013	Resolved

Full record since 1990

EPA's records for Canon MDWCA go back to 1990. Before October 19, 2016 they list 5 health-based violations (5 resolved) and 31 monitoring or reporting violations.

Violations that began in	Health-based	Monitoring and reporting
1990s	0	4
2000s	1	12
2010 to October 18, 2016	4	15
October 19, 2016 to 2019	2	16
2020s	1	13

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

Show all 5 health-based violations before October 19, 2016

Contaminant	Start date	Status
Groundwater Rule Treatment technique failure	Oct 11, 2016	Resolved
Groundwater Rule Treatment technique failure	Oct 11, 2016	Resolved
Groundwater Rule Treatment technique failure	Oct 17, 2010	Resolved
Groundwater Rule Treatment technique failure	Oct 17, 2010	Resolved
Total Coliform Contaminant limit exceeded	Aug 1, 2004	Resolved

Enforcement actions

New Mexico regulators issued 1 boil water order to Canon MDWCA in 2009. The most recent was a boil water order in August 2009.

Date	By	Action	Violations covered
Aug 12, 2009	New Mexico	Boil water order	6 violations: Interim Enhanced 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

Canon MDWCA draws water from 2 wells.

Annual water quality report

Canon 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 Canon 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