Wissalohichan Ssd
High Free Pike & Big Darby Crk, West Jefferson, OH 43162 · Madison County · Publicly Owned Treatment Works
- Average flow
- 0.0029 MGD
- Design flow
- 0.0044 MGD
- NPDES permit
- OH0124371
- Effective
- Permit expires
- September 2030
- Population served
- 51
- CWNS 2022
Wissalohichan Ssd is a publicly owned wastewater treatment plant in West Jefferson, Madison County, Ohio treating an average of 0.0029 million gallons per day against a permitted design capacity of 0.0044 MGD, serving about 51 residents. It discharges under NPDES permit OH0124371 (effective), which expires in September 2030, with 6 recorded violations in the last three years.
Treatment technology
One treatment structure or unit process identified at Wissalohichan Ssd.
Available with a free Klarifi account
See the full treatment train at Wissalohichan Ssd: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 6
- Effluent violations
- 6
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Wissalohichan Ssd.
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Nearby wastewater treatment plants in Ohio
West Jefferson · 2 mi away
1.24 MGD
West Jefferson · 4 mi away
0.0027 MGD
Grove City · 6 mi away
0.00067 MGD
London · 6 mi away
0.06 MGD
Plain City · 8 mi away
0.01 MGD
Columbus · 9 mi away
0.26 MGD
London · 9 mi away
0.02 MGD
Amlin · 9 mi away
0.01 MGD
Wissalohichan Ssd: 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 5, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Ozonation · Activated sludge · all terms