St Thomas Twp Edenville STP
Chambersburg, PA · Franklin County · Publicly Owned Treatment Works
- Average flow
- 0.01 MGD
- Design flow
- 0.06 MGD
- NPDES permit
- PA0087190
- Effective
- Permit expires
- July 2029
- Population served
- —
- CWNS 2022
St Thomas Twp Edenville STP is a publicly owned wastewater treatment works in Chambersburg, Franklin County, Pennsylvania treating an average of 0.01 million gallons per day against a permitted design capacity of 0.06 MGD. It discharges under NPDES permit PA0087190 (effective), which expires in July 2029, with 2 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Treatment structure data not yet analyzed for this facility.
Compliance snapshot (last 3 years)
- Total violations
- 2
- Effluent violations
- 2
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at St Thomas Twp Edenville STP.
No verified contacts on file yet
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Nearby wastewater treatment plants in Pennsylvania
Chambersburg · 5 mi away
0.16 MGD
Chambersburg · 6 mi away
5.16 MGD
Fannettsburg · 7 mi away
0.02 MGD
Mercersburg · 8 mi away
0.04 MGD
Mercersburg · 9 mi away
0.05 MGD
Fort Littleton · 10 mi away
0.0028 MGD
Greencastle · 10 mi away
0.02 MGD
Mcconnellsburg · 11 mi away
0.0073 MGD
St Thomas Twp Edenville 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 February 15, 2025.