Sheridan Wastewater Treatment
Sheridan, WY · Sheridan County · Publicly Owned Treatment Works
- Average flow
- 2.21 MGD
- Design flow
- —
- NPDES permit
- WY0020010
- Effective
- Permit expires
- November 2028
- Population served
- —
- CWNS 2022
Sheridan Wastewater Treatment is a publicly owned wastewater treatment works in Sheridan, Sheridan County, Wyoming treating an average of 2.21 million gallons per day. It discharges under NPDES permit WY0020010 (effective), which expires in November 2028, with 1 recorded violation in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Treatment structure data not yet analyzed for this facility.
Compliance snapshot (last 3 years)
- Total violations
- 1
- Effluent violations
- 1
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Capital improvement projects in Sheridan
Sheridan's capital improvement plan lists 4 water, sewer and wastewater line items worth $27M starting 2025–2025. The largest budgeted items are shown here.
All water and sewer capital projects in Sheridan →
| Project | Budget | Years |
|---|---|---|
| WWTP Upgrades | $14,050,000 | 2025–2026 |
| Lewis Street Reconstruction | $10,000,000 | 2025–2026 |
| Pavement Rehabiliation (R&O | $2,336,000 | 2025–2026 |
| Sewer Creek Crossing | $500,000 | 2025–2026 |
Full project details — scope, funding source, engineering consultant and the decision-makers behind each project — are available in Klarifi, along with similar wastewater capital projects in other cities.
Key contacts
Decision-makers at Sheridan Wastewater Treatment.
No verified contacts on file yet
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Nearby wastewater treatment plants in Wyoming
Ranchester · 12 mi away
0.11 MGD
Clearmont · 30 mi away
—
Buffalo · 34 mi away
0.79 MGD
Greybull · 60 mi away
—
Ten Sleep · 60 mi away
—
Basin · 62 mi away
0.55 MGD
Manderson · 63 mi away
0.02 MGD
Worland · 76 mi away
0.71 MGD
Sheridan Wastewater Treatment: 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 August 9, 2026.