Hampden Twp Roth Lane STP
Mechanicsburg, PA · Cumberland County · Publicly Owned Treatment Works
- Average flow
- 2.79 MGD
- Design flow
- —
- NPDES permit
- PAL080314
- Effective
- Permit expires
- December 2030
- Population served
- —
- CWNS 2022
Hampden Twp Roth Lane STP is a publicly owned wastewater treatment works in Mechanicsburg, Cumberland County, Pennsylvania treating an average of 2.79 million gallons per day. Treatment on site includes clarifiers. It discharges under NPDES permit PAL080314 (effective), which expires in December 2030, with 6 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Clarifiers
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Compliance snapshot (last 3 years)
- Total violations
- 6
- Effluent violations
- 6
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
5 verified contacts for Hampden Twp Roth Lane STP, with validated emails and direct phone numbers.
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Names, validated emails and direct phone numbers for decision-makers at Hampden Twp Roth Lane STP, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Pennsylvania
Mechanicsburg · 2 mi away
0.75 MGD
Camp Hill · 3 mi away
1.35 MGD
Lemoyne · 5 mi away
0.22 MGD
Marysville · 5 mi away
0.19 MGD
Duncannon · 5 mi away
0.05 MGD
New Cumberland · 7 mi away
4.33 MGD
Dauphin · 7 mi away
—
Duncannon · 7 mi away
0.007 MGD
Hampden Twp Roth Lane 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 September 11, 2026; facility record last updated May 24, 2025.