Liverpool STP
US Routes 11/15, Liverpool, PA 17045 · Perry County · Publicly Owned Treatment Works
- Average flow
- 0.06 MGD
- Design flow
- 0.18 MGD
- NPDES permit
- PA0041581
- Effective
- Permit expires
- March 2028
- Population served
- —
- CWNS 2022
Liverpool STP is a publicly owned wastewater treatment works in Liverpool, Perry County, Pennsylvania treating an average of 0.06 million gallons per day against a permitted design capacity of 0.18 MGD. It discharges under NPDES permit PA0041581 (effective), which expires in March 2028, with 0 recorded violations in the last three years.
Treatment technology
Treatment structures and unit processes at Liverpool STP.
Treatment structure data not yet analyzed for this facility.
Compliance snapshot (last 3 years)
- Total violations
- 0
- Effluent violations
- 0
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Liverpool STP.
No verified contacts on file yet
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Nearby wastewater treatment plants in Pennsylvania
Dalmatia · 7 mi away
0.03 MGD
Halifax · 8 mi away
0.09 MGD
Millerstown · 8 mi away
0.05 MGD
Newport · 9 mi away
0.25 MGD
Elizabethville · 9 mi away
0.15 MGD
Berrysburg · 10 mi away
0.01 MGD
Richfield · 10 mi away
0.06 MGD
Mt Pleasant Mills · 11 mi away
0.01 MGD
Liverpool STP: 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 August 13, 2026.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Biological nutrient removal · Tertiary treatment · all terms