Southerly Wastewater Treatment Plant
6977 South High Street, Lockbourne, OH 43137 · Franklin County · Publicly Owned Treatment Works
- Average flow
- 112.28 MGD
- Design flow
- —
- NPDES permit
- OHL024741
- Effective
- Permit expires
- December 2030
- Population served
- 706,507
- CWNS 2022
Southerly Wastewater Treatment Plant is a publicly owned wastewater treatment works in Lockbourne, Franklin County, Ohio treating an average of 112.28 million gallons per day, serving about 706,507 residents. It discharges under NPDES permit OHL024741 (effective), which expires in December 2030, with 9 recorded violations in the last three years.
Treatment technology
2 treatment structures and unit processes identified at Southerly Wastewater Treatment Plant.
Available with a free Klarifi account
See the full treatment train at Southerly Wastewater Treatment Plant: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 9
- Effluent violations
- 9
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 Southerly Wastewater Treatment Plant in EPA's ICIS system.
- Formal actions
- 0
- none on record
- EPA inspections
- 1
- latest Oct 2013
No formal federal enforcement case is on record for this plant.
1 informal enforcement action (notices of violation and similar), the latest in Dec 2013.
Full case history with a free Klarifi account
Every action against Southerly Wastewater Treatment Plant with dates, milestones, violation types and EPA's complete case summaries, plus inspections and informal actions.
Key contacts
3 verified contacts for Southerly Wastewater Treatment Plant, with validated emails and direct phone numbers.
Unlock 3 verified contacts
Names, validated emails and direct phone numbers for decision-makers at Southerly Wastewater Treatment Plant, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Ohio
Commercial Point · 3 mi away
0.77 MGD
Columbus · 4 mi away
0.07 MGD
Lockbourne · 4 mi away
0.02 MGD
Orient · 8 mi away
0.76 MGD
Circleville · 9 mi away
0.02 MGD
Columbus · 9 mi away
0.26 MGD
Columbus · 10 mi away
1.06 MGD
Columbus · 10 mi away
0.0013 MGD
Southerly Wastewater Treatment 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 26, 2026; facility record last updated April 6, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Filter press · FOG · all terms