City Of Farmington
1395 South Lake Street, Farmington, NM 87401 · San Juan County · Publicly Owned Treatment Works
- Average flow
- 6.33 MGD
- Design flow
- 5.8 MGD
- NPDES permit
- NM0020583
- Effective
- Permit expires
- November 2026
- Population served
- 56,746
- CWNS 2022
City Of Farmington is a publicly owned wastewater treatment plant in Farmington, San Juan County, New Mexico treating an average of 6.33 million gallons per day against a permitted design capacity of 5.8 MGD, serving about 56,746 residents. It discharges under NPDES permit NM0020583 (effective), which expires in November 2026, with 47 recorded violations in the last three years. EPA has recorded 9 formal enforcement actions naming the plant, the latest in September 2026.
Treatment technology
4 treatment structures and unit processes identified at City Of Farmington.
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See the full treatment train at City Of Farmington: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 47
- Effluent violations
- 37
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
EPA enforcement history
Federal civil enforcement cases, compliance inspections and informal actions recorded for City Of Farmington in EPA's ICIS system.
- Formal actions
- 9
- 2 since FY2020
- Compliance actions
- $5.8M
- required by EPA orders
- EPA inspections
- 1
- latest May 2004
Latest case · Sep 2026
Farmington, City of
Administrative order · CWA, NPDES Permit Violations · Unilateral Administrative Order Without Adjudication · Compliance actions $125,000
EPA's description of the case:
“On August 24, 2023, EPA Region 6 issued a schedule Administrative Order under its authority pursuant to Section 309 of the Clean Water Act to the City of Farmington Wastewater Treatment Plant (WWTP)…”
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Source: EPA ECHO, civil enforcement case 06-2023-1799.
Full case history with a free Klarifi account
Every action against City Of Farmington with dates, milestones, violation types and EPA's complete case summaries, plus inspections and informal actions.
Key contacts
3 verified contacts for City Of Farmington, with validated emails and direct phone numbers.
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Names, validated emails and direct phone numbers for decision-makers at City Of Farmington, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in New Mexico
Fruitland · 2 mi away
0.01 MGD
Bloomfield · 13 mi away
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Shiprock · 28 mi away
0.28 MGD
Dulce · 68 mi away
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Cuba · 85 mi away
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Chama · 91 mi away
0.08 MGD
Jemez Springs · 108 mi away
0.07 MGD
Espanola · 130 mi away
0.83 MGD
City Of Farmington: frequently asked questions
Sources and methodology
Flow, permit and violation figures come from the EPA's ICIS-NPDES discharge monitoring records. Population served comes from the Clean Watersheds Needs Survey 2022. Treatment structures are identified by Klarifi's review of aerial imagery, and capital improvement projects are extracted from published municipal budget documents. Violations are counted over the last three years of monitoring reports.
Data refreshed October 26, 2026; facility record last updated July 29, 2026.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Centrate · Ozonation · all terms