Rock River Wastewater Lagoon
Rock River, WY · Albany County · Publicly Owned Treatment Works
- Average flow
- —
- Design flow
- —
- NPDES permit
- WY0020184
- Effective
- Permit expires
- October 2030
- Population served
- —
- CWNS 2022
Rock River Wastewater Lagoon is a publicly owned wastewater treatment works in Rock River, Albany County, Wyoming. Treatment on site includes uncovered lagoons. It discharges under NPDES permit WY0020184 (effective), which expires in October 2030, with 0 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Uncovered lagoons
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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 Rock River Wastewater Lagoon.
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Nearby wastewater treatment plants in Wyoming
Hanna · 33 mi away
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Saratoga · 47 mi away
0.14 MGD
Encampment · 57 mi away
0.05 MGD
Casper · 57 mi away
—
Sinclair · 60 mi away
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Rawlins · 63 mi away
—
Guernsey · 72 mi away
—
Douglas · 74 mi away
0.49 MGD
Rock River Wastewater Lagoon: 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 April 13, 2025.