Williamsport Sanitary Authority - Central Plant
601 Jefferson Lane, Williamsport, PA 17701 · Lycoming County · Publicly Owned Treatment Works
- Average flow
- 5.18 MGD
- Design flow
- —
- NPDES permit
- PAL027049
- Effective
- Permit expires
- December 2030
- Population served
- —
- CWNS 2022
Williamsport Sanitary Authority - Central Plant is a publicly owned wastewater treatment plant in Williamsport, Lycoming County, Pennsylvania treating an average of 5.18 million gallons per day. It discharges under NPDES permit PAL027049 (effective), which expires in December 2030, with 5 recorded violations in the last three years. EPA has recorded 1 formal enforcement action naming the plant, the latest in February 2007.
Treatment technology
2 treatment structures and unit processes identified at Williamsport Sanitary Authority - Central Plant.
Available with a free Klarifi account
See the full treatment train at Williamsport Sanitary Authority - Central Plant: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 5
- Effluent violations
- 5
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
EPA enforcement history
Federal civil enforcement cases, compliance inspections and informal actions recorded for Williamsport Sanitary Authority - Central Plant in EPA's ICIS system.
- Formal actions
- 1
- 0 since FY2020
- Compliance actions
- $5.6M
- required by EPA orders
- EPA inspections
- 1
- latest Apr 2022
Latest case · Feb 2007
WILLIAMSPORT SANITARY AUTHORITY
Administrative order · CWA, NPDES Permit Violations · Final Order Issued · Compliance actions $5.6M
EPA's description of the case:
“Failure to comply with NPDES permit by failing to submit LTCP.”
Source: EPA ECHO, civil enforcement case 03-2007-0100.
Full case history with a free Klarifi account
Every action against Williamsport Sanitary Authority - Central Plant with dates, milestones, violation types and EPA's complete case summaries, plus inspections and informal actions.
Key contacts
3 verified contacts for Williamsport Sanitary Authority - Central Plant, with validated emails and direct phone numbers.
Unlock 3 verified contacts
Names, validated emails and direct phone numbers for decision-makers at Williamsport Sanitary Authority - Central Plant, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Pennsylvania
Williamsport · 3 mi away
1.85 MGD
Montoursville · 6 mi away
0.51 MGD
New Columbia · 16 mi away
0.26 MGD
Jersey Shore · 18 mi away
0.99 MGD
Milton · 18 mi away
1.61 MGD
Milton · 21 mi away
0.02 MGD
Washingtonville · 21 mi away
0.05 MGD
Liberty · 22 mi away
0.03 MGD
Williamsport Sanitary Authority - Central Plant: 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 5, 2026; facility record last updated March 4, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Anaerobic digester · Lift station · all terms