Lower Allen Twp STP
120 Limekiln Road, New Cumberland, PA 17070 · York County · Publicly Owned Treatment Works
- Average flow
- 4.1 MGD
- Design flow
- —
- NPDES permit
- PAL027189
- Effective
- Permit expires
- December 2030
- Population served
- 14,013
- CWNS 2022
Lower Allen Twp STP is a publicly owned wastewater treatment works in New Cumberland, York County, Pennsylvania treating an average of 4.1 million gallons per day, serving about 14,013 residents. It discharges under NPDES permit PAL027189 (effective), which expires in December 2030, with 0 recorded violations in the last three years.
Treatment technology
3 treatment structures and unit processes identified at Lower Allen Twp STP.
Available with a free Klarifi account
See the full treatment train at Lower Allen Twp STP: structures, unit processes and planned upgrades, with exact unit counts.
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
2 verified contacts for Lower Allen Twp STP, with validated emails and direct phone numbers.
Unlock 2 verified contacts
Names, validated emails and direct phone numbers for decision-makers at Lower Allen Twp STP, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Pennsylvania
Harrisburg · 2 mi away
17.17 MGD
Lemoyne · 2 mi away
0.26 MGD
Camp Hill · 5 mi away
1.94 MGD
Highspire · 5 mi away
0.63 MGD
Lewisberry · 6 mi away
0.04 MGD
Mechanicsburg · 7 mi away
3.01 MGD
Mechanicsburg · 7 mi away
0.64 MGD
Mechanicsburg · 7 mi away
0.77 MGD
Lower Allen Twp 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 March 6, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Activated sludge · Oxidation ditch · all terms