Pottsville Main STP
1050 Route 61 South, Pottsville, PA 17901 · Schuylkill County · Publicly Owned Treatment Works
- Average flow
- 3.13 MGD
- Design flow
- 8.2 MGD
- NPDES permit
- PA0043885
- Effective
- Permit expires
- April 2031
- Population served
- 21,062
- CWNS 2022
Pottsville Main STP is a publicly owned wastewater treatment works in Pottsville, Schuylkill County, Pennsylvania treating an average of 3.13 million gallons per day against a permitted design capacity of 8.2 MGD, serving about 21,062 residents. It discharges under NPDES permit PA0043885 (effective), which expires in April 2031, with 23 recorded violations in the last three years.
Treatment technology
2 treatment structures and unit processes identified at Pottsville Main STP.
Available with a free Klarifi account
See the full treatment train at Pottsville Main STP: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 23
- Effluent violations
- 7
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
2 verified contacts for Pottsville Main STP, with validated emails and direct phone numbers.
Unlock 2 verified contacts
Names, validated emails and direct phone numbers for decision-makers at Pottsville Main STP, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Pennsylvania
St Clair · 2 mi away
0.0093 MGD
Cumbola · 3 mi away
0.17 MGD
Cressona · 3 mi away
0.28 MGD
Schuylkill Haven · 4 mi away
0.9 MGD
Orwigsburg · 5 mi away
0.47 MGD
Llewellyn · 5 mi away
0.12 MGD
New Philadelphia · 6 mi away
0.02 MGD
Primrose · 7 mi away
0.03 MGD
Pottsville Main 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 October 12, 2026; facility record last updated March 3, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Activated sludge · Oxidation ditch · all terms