Williamsport WWTP
300 Ballard Avenue, Williamsport, OH 43164 · Pickaway County · Publicly Owned Treatment Works
- Average flow
- —
- Design flow
- 0.15 MGD
- NPDES permit
- OH0022519
- Administratively continued
- Permit expires
- April 2021
- Population served
- 960
- CWNS 2022
Williamsport WWTP is a publicly owned wastewater treatment works in Williamsport, Pickaway County, Ohio, serving about 960 residents. It discharges under NPDES permit OH0022519 (administratively continued), which expires in April 2021, with 87 recorded violations in the last three years.
Treatment technology
Treatment structures and unit processes at Williamsport WWTP.
Treatment structure data not yet analyzed for this facility.
Compliance snapshot (last 3 years)
- Total violations
- 87
- Effluent violations
- 26
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
1 verified contact for Williamsport WWTP, with validated emails and direct phone numbers.
Unlock 1 verified contact
Names, validated emails and direct phone numbers for decision-makers at Williamsport WWTP, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Ohio
Clarksburg · 5 mi away
0.07 MGD
Williamsport · 5 mi away
0.0065 MGD
Williamsport · 8 mi away
0.03 MGD
New Holland · 8 mi away
0.11 MGD
Circleville · 9 mi away
0.18 MGD
Circleville · 9 mi away
1.52 MGD
Chillicothe · 11 mi away
0.0011 MGD
Circleville · 11 mi away
0.0081 MGD
Williamsport WWTP: 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 26, 2026; facility record last updated April 12, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Significant industrial user · WWTP · all terms