Southern Ute Indian Tribe
16364 Highway 172, Ignacio, CO 81137 · La Plata County · Publicly Owned Treatment Works
- Average flow
- 0.31 MGD
- Design flow
- 0.6 MGD
- NPDES permit
- CO0022853
- Effective
- Permit expires
- December 2029
- Population served
- 1,997
- CWNS 2022
Southern Ute Indian Tribe is a publicly owned wastewater treatment plant in Ignacio, La Plata County, Colorado treating an average of 0.31 million gallons per day against a permitted design capacity of 0.6 MGD, serving about 1,997 residents. It discharges under NPDES permit CO0022853 (effective), which expires in December 2029, with 18 recorded violations in the last three years. EPA has recorded 1 formal enforcement action naming the plant, the latest in October 2015.
Treatment technology
2 treatment structures and unit processes identified at Southern Ute Indian Tribe.
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See the full treatment train at Southern Ute Indian Tribe: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 18
- Effluent violations
- 0
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 Southern Ute Indian Tribe in EPA's ICIS system.
- Formal actions
- 1
- 0 since FY2020
- Penalties assessed
- $12,100
- all cases
- Compliance actions
- $12,100
- required by EPA orders
- EPA inspections
- 4
- latest Sep 2004
Latest case · Oct 2015
SAMSON RESOURCES COMPANY
Administrative order · CWA, NPDES Discharge without a Permit · Final Order With Penalty · Penalty $12,100 · Compliance actions $12,100
EPA's description of the case:
“On October 20, 2014, the U.S. Environmental Protection Agency (EPA) received a report from the National Response Center of a produced water spill on the Southern Ute Reservation from a pipeline owned…”
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Source: EPA ECHO, civil enforcement case 08-2015-0108.
Full case history with a free Klarifi account
Every action against Southern Ute Indian Tribe with dates, milestones, violation types and EPA's complete case summaries, plus inspections and informal actions.
Key contacts
Decision-makers at Southern Ute Indian Tribe.
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Nearby wastewater treatment plants in Colorado
Durango · 12 mi away
0.08 MGD
Bayfield · 23 mi away
0.07 MGD
Pagosa Springs · 31 mi away
1.95 MGD
Mancos · 40 mi away
0.11 MGD
Silverton · 48 mi away
0.11 MGD
Dolores · 55 mi away
0.11 MGD
Cortez · 56 mi away
0.82 MGD
Telluride · 60 mi away
1.05 MGD
Southern Ute Indian Tribe: 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 February 9, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · FOG · Equalization tank · all terms