Dillsburg STP
Dillsburg, PA · York County · Publicly Owned Treatment Works
- Average flow
- 0.54 MGD
- Design flow
- 3.06 MGD
- NPDES permit
- PA0024431
- Effective
- Permit expires
- December 2026
- Population served
- 7,077
- CWNS 2022
Dillsburg STP is a publicly owned wastewater treatment works in Dillsburg, York County, Pennsylvania treating an average of 0.54 million gallons per day against a permitted design capacity of 3.06 MGD, serving about 7,077 residents. Treatment on site includes clarifiers. It discharges under NPDES permit PA0024431 (effective), which expires in December 2026, with 2 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
- 2
- Effluent violations
- 2
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
1 verified contact for Dillsburg STP, with validated emails and direct phone numbers.
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Names, validated emails and direct phone numbers for decision-makers at Dillsburg STP, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Pennsylvania
Boiling Springs · 4 mi away
0.76 MGD
Mechanicsburg · 4 mi away
0.67 MGD
Mt Holly Springs · 8 mi away
0.25 MGD
East Berlin · 8 mi away
0.12 MGD
York Springs · 9 mi away
0.06 MGD
Mechanicsburg · 10 mi away
0.75 MGD
Lewisberry · 10 mi away
0.03 MGD
Carlisle · 10 mi away
2.28 MGD
Dillsburg 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 August 11, 2026.