Ossian Wwtp, Town Of
Ossian, IN · Wells County · Publicly Owned Treatment Works
- Average flow
- 0.51 MGD
- Design flow
- 0.9 MGD
- NPDES permit
- IN0020745
- Effective
- Permit expires
- September 2030
- Population served
- 3,266
- CWNS 2022
Ossian Wwtp, Town Of is a publicly owned wastewater treatment works in Ossian, Wells County, Indiana treating an average of 0.51 million gallons per day against a permitted design capacity of 0.9 MGD, serving about 3,266 residents. Treatment on site includes clarifiers. It discharges under NPDES permit IN0020745 (effective), which expires in September 2030, with 1 recorded violation in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Clarifiers
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Compliance snapshot (last 3 years)
- Total violations
- 1
- Effluent violations
- 1
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
2 verified contacts for Ossian Wwtp, Town Of, with validated emails and direct phone numbers.
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Names, validated emails and direct phone numbers for decision-makers at Ossian Wwtp, Town Of, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Indiana
Uniondale · 5 mi away
0.0093 MGD
Bluffton · 9 mi away
1.14 MGD
Markle · 10 mi away
0.09 MGD
Roanoke · 12 mi away
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Decatur · 13 mi away
1.17 MGD
Fort Wayne · 14 mi away
29.9 MGD
Monroeville · 18 mi away
0.001 MGD
Huntington · 18 mi away
1.68 MGD
Ossian Wwtp, Town Of: 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 28, 2025.