Sinclair Wastewater Lagoon
PO Box 247, Sinclair, WY 82334 · Carbon County · Publicly Owned Treatment Works
- Average flow
- —
- Design flow
- —
- NPDES permit
- WY0020397
- Effective
- Permit expires
- April 2030
- Population served
- —
- CWNS 2022
Sinclair Wastewater Lagoon is a publicly owned wastewater treatment works in Sinclair, Carbon County, Wyoming. It discharges under NPDES permit WY0020397 (effective), which expires in April 2030, with 54 recorded violations in the last three years.
Treatment technology
One treatment structure or unit process identified at Sinclair Wastewater Lagoon.
Available with a free Klarifi account
See the full treatment train at Sinclair Wastewater Lagoon: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 54
- 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 Sinclair Wastewater Lagoon.
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Nearby wastewater treatment plants in Wyoming
Rawlins · 4 mi away
0.85 MGD
Saratoga · 28 mi away
0.16 MGD
Hanna · 28 mi away
—
Casper · 44 mi away
0.0048 MGD
Encampment · 44 mi away
0.04 MGD
Dixon · 57 mi away
0.03 MGD
Rock River · 60 mi away
—
Baggs · 60 mi away
0.08 MGD
Sinclair 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 October 26, 2026; facility record last updated August 16, 2026.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Biosolids · Filter press · all terms