Prospect WWTP
Prospect, OH · Marion County · Publicly Owned Treatment Works
- Average flow
- 0.05 MGD
- Design flow
- 0.24 MGD
- NPDES permit
- OH0047902
- Effective
- Permit expires
- April 2031
- Population served
- 1,067
- CWNS 2022
Prospect WWTP is a publicly owned wastewater treatment works in Prospect, Marion County, Ohio treating an average of 0.05 million gallons per day against a permitted design capacity of 0.24 MGD, serving about 1,067 residents. It discharges under NPDES permit OH0047902 (effective), which expires in April 2031, with 11 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Treatment structure data not yet analyzed for this facility.
Compliance snapshot (last 3 years)
- Total violations
- 11
- Effluent violations
- 10
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Prospect WWTP.
No verified contacts on file yet
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Nearby wastewater treatment plants in Ohio
Richwood · 4 mi away
0.00065 MGD
Richwood · 6 mi away
0.14 MGD
Marion · 6 mi away
0.02 MGD
Marion · 6 mi away
0.0034 MGD
Marion · 7 mi away
0.0031 MGD
Marion · 8 mi away
0.02 MGD
Marion · 9 mi away
0.53 MGD
Marion · 10 mi away
4.64 MGD
Prospect 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 September 11, 2026; facility record last updated November 29, 2025.