Public water system record

Farmington Water System

Serves Farmington, San Juan County, NM · 47,655 people served

Federal records show 1 health-based violation and 2 monitoring/reporting issues for Farmington Water System in the last ten years, including an unresolved Groundwater Rule violation.

  • NM3510224
  • FARMINGTON
  • NM
  • 47,655 served

System profile

Source water Surface water
ZIP 87401
EPA system ID NM3510224

Verify this system on EPA ECHO →

Health-based violations, last 10 years
1
Resolved
0
Unresolved
1
Any acute record
No
Monitoring issues, last 10 years
2

Key facts

  • Farmington Water System draws water from 3 surface water intakes and 1 reservoir (2 of them for emergency, seasonal or other part-time use).
  • Record on file since 1993, with 2 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 6,487 unknown out of 15,609 service lines.

Check whether Farmington Water System serves your address

Address suggestions by Mapbox

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
Groundwater Rule
Treatment technique failure
140 Sep 25, 2025 Active No

Monitoring and reporting issues

Since October 2016

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

Issue Start date Status
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
Apr 1, 2025 Resolved
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
Mar 1, 2018 Resolved

Full record since 1993

EPA's records for Farmington Water System go back to 1993. Before October 19, 2016 they list 2 health-based violations (1 resolved, 1 archived by EPA without a recorded fix) and 3 monitoring or reporting violations.

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

Most recent health-based violation before October 19, 2016: Surface Water Treatment Rule, began June 2002, Archived.

Show all 2 health-based violations before October 19, 2016
Contaminant Start date Status
Surface Water Treatment Rule
Treatment technique failure
Jun 1, 2002 Archived
Total Coliform
Contaminant limit exceeded
Jun 1, 1993 Resolved

What the violations mean

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

Farmington Water System draws water from 3 surface water intakes and 1 reservoir (2 of them for emergency, seasonal or other part-time use). 3 other community water systems buy water from Farmington Water System.

Community systems that buy water from it

Annual water quality report

Farmington Water System 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 10,000 or more people must mail or deliver the report to every customer, and from 2027 they must send it twice a year.

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.