Trout Run WWTP
Mountain Lake Park, MD · Garrett County · Publicly Owned Treatment Works
- Average flow
- —
- Design flow
- 0.9 MGD
- NPDES permit
- MD0051497
- Administratively continued
- Permit expires
- September 2016
- Population served
- 12,612
- CWNS 2022
Trout Run WWTP is a publicly owned wastewater treatment works in Mountain Lake Park, Garrett County, Maryland, serving about 12,612 residents. It discharges under NPDES permit MD0051497 (administratively continued), which expires in September 2016, with 3 recorded violations 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
- 3
- Effluent violations
- 3
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Trout Run WWTP.
No verified contacts on file yet
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Nearby wastewater treatment plants in Maryland
Oakland · 2 mi away
0.5 MGD
Oakland · 4 mi away
0.02 MGD
Kitzmiller · 11 mi away
0.0084 MGD
Accident · 16 mi away
0.06 MGD
Bloomington · 18 mi away
0.01 MGD
Friendsville · 19 mi away
0.02 MGD
Accident · 20 mi away
0.005 MGD
Westernport · 21 mi away
0.77 MGD
Trout Run WWTP: 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 September 23, 2025.