Clifton #2 West WWTP
Clifton, CO · Mesa County · Publicly Owned Treatment Works
- Average flow
- 1.3 MGD
- Design flow
- 2.5 MGD
- NPDES permit
- CO0033791
- Administratively continued
- Permit expires
- March 2020
- Population served
- 22,678
- CWNS 2022
Clifton #2 West WWTP is a publicly owned wastewater treatment works in Clifton, Mesa County, Colorado treating an average of 1.3 million gallons per day against a permitted design capacity of 2.5 MGD, serving about 22,678 residents. Treatment on site includes clarifiers, uncovered lagoons, carrousels / oxidation ditches. It discharges under NPDES permit CO0033791 (administratively continued), which expires in March 2020, with 0 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Clarifiers
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Uncovered lagoons
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Carrousels / oxidation ditches
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Compliance snapshot (last 3 years)
- Total violations
- 0
- Effluent violations
- 0
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Clifton #2 West WWTP.
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Nearby wastewater treatment plants in Colorado
Palisade · 6 mi away
0.24 MGD
Grand Junction · 11 mi away
11.4 MGD
Mesa · 16 mi away
0.02 MGD
Fruita · 19 mi away
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De Beque · 23 mi away
0.04 MGD
Collbran · 28 mi away
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Delta · 28 mi away
1.33 MGD
Olathe · 39 mi away
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Clifton #2 West WWTP: 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 27, 2025.