Evanston WWTF
266 Ortega Court, Evanston, WY 82930 · Uinta County · Publicly Owned Treatment Works
- Average flow
- 1.01 MGD
- Design flow
- —
- NPDES permit
- WY0020095
- Effective
- Permit expires
- August 2029
- Population served
- —
- CWNS 2022
Evanston WWTF is a publicly owned wastewater treatment works in Evanston, Uinta County, Wyoming treating an average of 1.01 million gallons per day. It discharges under NPDES permit WY0020095 (effective), which expires in August 2029, with 0 recorded violations in the last three years.
Treatment technology
2 treatment structures and unit processes identified at Evanston WWTF.
Available with a free Klarifi account
See the full treatment train at Evanston WWTF: structures, unit processes and planned upgrades, with exact unit counts.
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 Evanston WWTF.
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Nearby wastewater treatment plants in Wyoming
Bear River · 8 mi away
0.17 MGD
Mountain View · 37 mi away
0.25 MGD
Lyman · 39 mi away
0.2 MGD
Kemmerer · 43 mi away
0.24 MGD
Cokeville · 55 mi away
0.05 MGD
Green River · 82 mi away
0.66 MGD
Rock Springs · 92 mi away
1.98 MGD
Big Piney · 98 mi away
0.1 MGD
Evanston 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 October 26, 2026; facility record last updated March 6, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Biosolids · Filter press · all terms