Cumberland Twp South STP
Gettysburg, PA · Adams County · Publicly Owned Treatment Works
- Average flow
- 0.19 MGD
- Design flow
- 0.65 MGD
- NPDES permit
- PA0024147
- Effective
- Permit expires
- October 2029
- Population served
- —
- CWNS 2022
Cumberland Twp South STP is a publicly owned wastewater treatment works in Gettysburg, Adams County, Pennsylvania treating an average of 0.19 million gallons per day against a permitted design capacity of 0.65 MGD. Treatment on site includes biogas balloons. It discharges under NPDES permit PA0024147 (effective), which expires in October 2029, with 61 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Biogas balloons
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Compliance snapshot (last 3 years)
- Total violations
- 61
- Effluent violations
- 61
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Cumberland Twp South STP.
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Nearby wastewater treatment plants in Pennsylvania
Gettysburg · 4 mi away
0.14 MGD
Fairfield · 6 mi away
0.16 MGD
Gettysburg · 6 mi away
0.12 MGD
Hunterstown · 6 mi away
0.07 MGD
Biglerville · 7 mi away
0.13 MGD
Arendtsville · 7 mi away
0.04 MGD
Fairfield · 7 mi away
0.07 MGD
Littlestown · 10 mi away
0.5 MGD
Cumberland Twp South 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 April 6, 2025.