Bellefontaine WWTP
610 South Troy Road, Bellefontaine, OH 43311 · Logan County · Publicly Owned Treatment Works
- Average flow
- 2.68 MGD
- Design flow
- 4.5 MGD
- NPDES permit
- OH0024066
- Effective
- Permit expires
- January 2027
- Population served
- 13,354
- CWNS 2022
Bellefontaine WWTP is a publicly owned wastewater treatment works in Bellefontaine, Logan County, Ohio treating an average of 2.68 million gallons per day against a permitted design capacity of 4.5 MGD, serving about 13,354 residents. It discharges under NPDES permit OH0024066 (effective), which expires in January 2027, with 25 recorded violations in the last three years.
Treatment technology
2 treatment structures and unit processes identified at Bellefontaine WWTP.
Available with a free Klarifi account
See the full treatment train at Bellefontaine WWTP: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 25
- Effluent violations
- 3
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Bellefontaine WWTP.
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Nearby wastewater treatment plants in Ohio
Bellefontaine · 4 mi away
0.0012 MGD
Bellefontaine · 5 mi away
0.0049 MGD
West Liberty · 7 mi away
0.26 MGD
Rushsylvania · 10 mi away
—
Russells Point · 10 mi away
2.27 MGD
Quincy · 11 mi away
0.26 MGD
East Liberty · 13 mi away
0.05 MGD
N Lewisburg · 15 mi away
0.14 MGD
Bellefontaine 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 September 16, 2026.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Biological nutrient removal · Tertiary treatment · all terms