Regional WWTF
Alamosa, CO · Alamosa County · Publicly Owned Treatment Works
- Average flow
- 1.09 MGD
- Design flow
- 2.57 MGD
- NPDES permit
- CO0044458
- Administratively continued
- Permit expires
- October 2019
- Population served
- 9,743
- CWNS 2022
Regional WWTF is a publicly owned wastewater treatment works in Alamosa, Alamosa County, Colorado treating an average of 1.09 million gallons per day against a permitted design capacity of 2.57 MGD, serving about 9,743 residents. Treatment on site includes aerated lagoons, uncovered lagoons. It discharges under NPDES permit CO0044458 (administratively continued), which expires in October 2019, with 4 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Compliance snapshot (last 3 years)
- Total violations
- 4
- Effluent violations
- 4
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Regional WWTF.
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Nearby wastewater treatment plants in Colorado
La Jara · 14 mi away
0.05 MGD
Monte Vista · 16 mi away
0.09 MGD
Monte Vista · 17 mi away
0.32 MGD
Fort Garland · 23 mi away
0.03 MGD
Antonito · 28 mi away
0.08 MGD
Del Norte · 31 mi away
0.11 MGD
San Luis · 32 mi away
0.07 MGD
La Veta · 42 mi away
0.06 MGD
Regional WWTF: 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 September 11, 2026; facility record last updated March 19, 2025.