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Public water system record

Las Colonias MHP

Serves an area of Taos County, NM · 49 people served

Federal records show 5 health-based violations and 4 monitoring/reporting issues for Las Colonias MHP in the last ten years. The most serious issue in this window was a resolved LEAD AND COPPER RULE REVISIONS violation.

  • NM3510429
  • RIO RANCHO
  • NM
  • 49 served

System profile

Source water Groundwater
ZIP 87144
EPA system ID NM3510429

Verify this system on EPA ECHO →

Health-based violations, last 10 years
5
Resolved
5
Unresolved
0
Any acute record
No
Monitoring issues, last 10 years
4

Key facts

  • Las Colonias MHP draws water from 1 well.
  • Record on file since 1996, with 10 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 0 unknown out of 20 service lines.

Check whether Las Colonias MHP serves your address

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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 Resolved No
Groundwater Rule
Treatment technique failure
 140 Dec 11, 2014 Resolved No
Groundwater Rule
Treatment technique failure
 140 Dec 11, 2014 Resolved No
Groundwater Rule
Treatment technique failure
 140 Dec 11, 2014 Resolved No
Groundwater Rule
Treatment technique failure
 140 Dec 11, 2014 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 REVISIONS
RPT
 Oct 17, 2024 Resolved
Groundwater Rule
OTHER
 Jan 25, 2024 Resolved
Consumer Confidence Rule
OTHER
 Jul 1, 2022 Resolved
Consumer Confidence Rule
OTHER
 Jul 1, 2021 Resolved

Full record since 1996

EPA's records for Las Colonias MHP go back to 1996. Before October 19, 2016 they list 10 health-based violations (9 resolved, 1 archived by EPA without a recorded fix) and 12 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1990s 1 3
2000s 5 7
2010 to October 18, 2016 4 2
2020s 1 4

Most recent health-based violation before October 19, 2016: Groundwater Rule, began December 2014, Resolved.

Show all 10 health-based violations before October 19, 2016
Contaminant Start date Status
Groundwater Rule
Treatment technique failure
 Dec 11, 2014 Resolved
Groundwater Rule
Treatment technique failure
 Dec 11, 2014 Resolved
Groundwater Rule
Treatment technique failure
 Dec 11, 2014 Resolved
Groundwater Rule
Treatment technique failure
 Dec 11, 2014 Resolved
Combined Uranium
Contaminant limit exceeded
Measured 31 µg/L, federal limit 30 µg/L (at or just above the limit)
 Jan 1, 2008 Resolved
Combined Uranium
Contaminant limit exceeded
Measured 31 µg/L, federal limit 30 µg/L (at or just above the limit)
 Apr 1, 2007 Resolved
Combined Uranium
Contaminant limit exceeded
Measured 32 µg/L, federal limit 30 µg/L (1.1 times the limit)
 Jan 1, 2007 Resolved
Combined Uranium
Contaminant limit exceeded
Measured 32 µg/L, federal limit 30 µg/L (1.1 times the limit)
 Jan 1, 2005 Resolved
Total Coliform
Contaminant limit exceeded
 Feb 1, 2000 Resolved
Total Coliform
Contaminant limit exceeded
 May 1, 1997 Archived

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

Las Colonias MHP draws water from 1 well.

Annual water quality report

Las Colonias MHP 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 Las Colonias MHP 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