Marysville STP
Marysville, PA · Perry County · Publicly Owned Treatment Works
- Average flow
- 0.19 MGD
- Design flow
- 1.25 MGD
- NPDES permit
- PAL021571
- Effective
- Permit expires
- December 2030
- Population served
- —
- CWNS 2022
Marysville STP is a publicly owned wastewater treatment works in Marysville, Perry County, Pennsylvania treating an average of 0.19 million gallons per day against a permitted design capacity of 1.25 MGD. It discharges under NPDES permit PAL021571 (effective), which expires in December 2030, with 29 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
- 29
- Effluent violations
- 29
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
3 verified contacts for Marysville STP, with validated emails and direct phone numbers.
Unlock 3 verified contacts
Names, validated emails and direct phone numbers for decision-makers at Marysville STP, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Pennsylvania
Dauphin · 2 mi away
—
Duncannon · 3 mi away
0.05 MGD
Camp Hill · 5 mi away
1.35 MGD
Mechanicsburg · 5 mi away
2.79 MGD
Duncannon · 5 mi away
0.007 MGD
Duncannon · 6 mi away
0.2 MGD
Lemoyne · 7 mi away
0.22 MGD
Mechanicsburg · 8 mi away
0.75 MGD
Marysville 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 December 22, 2024.