Glenrock Wastewater Lagoon
219 South 3rd, Glenrock, WY 82637 · Converse County · Publicly Owned Treatment Works
- Average flow
- 0.17 MGD
- Design flow
- —
- NPDES permit
- WY0020630
- Effective
- Permit expires
- June 2030
- Population served
- —
- CWNS 2022
Glenrock Wastewater Lagoon is a publicly owned wastewater treatment works in Glenrock, Converse County, Wyoming treating an average of 0.17 million gallons per day. It discharges under NPDES permit WY0020630 (effective), which expires in June 2030, with 40 recorded violations in the last three years.
Treatment technology
Treatment structures and unit processes at Glenrock Wastewater Lagoon.
Treatment structure data not yet analyzed for this facility.
Compliance snapshot (last 3 years)
- Total violations
- 40
- Effluent violations
- 40
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Glenrock Wastewater Lagoon.
No verified contacts on file yet
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Nearby wastewater treatment plants in Wyoming
Casper · 21 mi away
6.6 MGD
Douglas · 25 mi away
0.43 MGD
Wright · 65 mi away
0.09 MGD
Hartville · 69 mi away
0.01 MGD
Kaycee · 70 mi away
—
Guernsey · 71 mi away
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Rock River · 77 mi away
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Hanna · 78 mi away
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Glenrock 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 February 27, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Equalization tank · Centrate · all terms