Upper Merion Twp. Auth-Trout R
900 Mancill Mill Rd, King Of Prussia, PA 19406 · Montgomery County · Publicly Owned Treatment Works
- Average flow
- 2.39 MGD
- Design flow
- 6 MGD
- NPDES permit
- PA0026131
- Effective
- Permit expires
- June 2029
- Population served
- —
- CWNS 2022
Upper Merion Twp. Auth-Trout R is a publicly owned wastewater treatment plant in King Of Prussia, Montgomery County, Pennsylvania treating an average of 2.39 million gallons per day against a permitted design capacity of 6 MGD. It discharges under NPDES permit PA0026131 (effective), which expires in June 2029, with 4 recorded violations in the last three years.
Treatment technology
One treatment structure or unit process identified at Upper Merion Twp. Auth-Trout R.
Available with a free Klarifi account
See the full treatment train at Upper Merion Twp. Auth-Trout R: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 4
- Effluent violations
- 4
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
3 verified contacts for Upper Merion Twp. Auth-Trout R, with validated emails and direct phone numbers.
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Names, validated emails and direct phone numbers for decision-makers at Upper Merion Twp. Auth-Trout R, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Pennsylvania
Oaks · 3 mi away
6.7 MGD
Phoenixville · 3 mi away
4.95 MGD
Norristown · 4 mi away
4.87 MGD
King Of Prussia · 4 mi away
2.45 MGD
Bridgeport · 4 mi away
0.39 MGD
Plymouth Meeting · 4 mi away
4.25 MGD
Phoenixville · 5 mi away
1.7 MGD
Conshohocken · 6 mi away
1.07 MGD
Upper Merion Twp. Auth-Trout R: 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 12, 2026; facility record last updated May 25, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Sludge dewatering · Biological nutrient removal · all terms