Upper Sandusky WWTP
Upper Sandusky, OH · Wyandot County · Publicly Owned Treatment Works
- Average flow
- 1.02 MGD
- Design flow
- 2 MGD
- NPDES permit
- OH0020001
- Administratively continued
- Permit expires
- April 2026
- Population served
- 6,948
- CWNS 2022
Upper Sandusky WWTP is a publicly owned wastewater treatment works in Upper Sandusky, Wyandot County, Ohio treating an average of 1.02 million gallons per day against a permitted design capacity of 2 MGD, serving about 6,948 residents. Treatment on site includes uncovered lagoons. It discharges under NPDES permit OH0020001 (administratively continued), which expires in April 2026, with 3 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Uncovered lagoons
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Compliance snapshot (last 3 years)
- Total violations
- 3
- Effluent violations
- 3
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
2 verified contacts for Upper Sandusky WWTP, with validated emails and direct phone numbers.
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Names, validated emails and direct phone numbers for decision-makers at Upper Sandusky WWTP, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Ohio
Carey · 4 mi away
0.0011 MGD
Sandusky · 5 mi away
0.0039 MGD
Carey · 7 mi away
0.0014 MGD
Nevada · 7 mi away
0.03 MGD
Carey · 9 mi away
0.41 MGD
Sycamore · 9 mi away
0.02 MGD
Forest · 13 mi away
0.09 MGD
Bucyrus · 14 mi away
0.0025 MGD
Upper Sandusky 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 April 5, 2025.