Marbleton Wastewater Lagoon
10700 Highway 189, Marbleton, WY 83113 · Sublette County · Publicly Owned Treatment Works
- Average flow
- 0.46 MGD
- Design flow
- —
- NPDES permit
- WY0021997
- Effective
- Permit expires
- July 2031
- Population served
- —
- CWNS 2022
Marbleton Wastewater Lagoon is a publicly owned wastewater treatment works in Marbleton, Sublette County, Wyoming treating an average of 0.46 million gallons per day. It discharges under NPDES permit WY0021997 (effective), which expires in July 2031, with 155 recorded violations in the last three years.
Treatment technology
2 treatment structures and unit processes identified at Marbleton Wastewater Lagoon.
Available with a free Klarifi account
See the full treatment train at Marbleton Wastewater Lagoon: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 155
- Effluent violations
- 56
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Marbleton Wastewater Lagoon.
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Nearby wastewater treatment plants in Wyoming
Big Piney · 2 mi away
0.1 MGD
Thayne · 53 mi away
0.15 MGD
Cokeville · 56 mi away
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Kemmerer · 57 mi away
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Jackson · 68 mi away
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Dubois · 71 mi away
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Fort Washakie · 71 mi away
0.16 MGD
Lander · 72 mi away
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Marbleton 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 September 14, 2026.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Tertiary treatment · Significant industrial user · all terms