South Bass Island State Park
Catawba Ave, Put-In- Bay, OH 43456 · Ottawa County · Publicly Owned Treatment Works
- Average flow
- 0.0028 MGD
- Design flow
- 0.02 MGD
- NPDES permit
- OH0125636
- Effective
- Permit expires
- October 2029
- Population served
- —
- CWNS 2022
South Bass Island State Park is a publicly owned wastewater treatment plant in Put-In- Bay, Ottawa County, Ohio treating an average of 0.0028 million gallons per day against a permitted design capacity of 0.02 MGD. It discharges under NPDES permit OH0125636 (effective), which expires in October 2029, with 8 recorded violations in the last three years.
Treatment technology
Treatment structures and unit processes at South Bass Island State Park.
Treatment structure data not yet analyzed for this facility.
Compliance snapshot (last 3 years)
- Total violations
- 8
- Effluent violations
- 8
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
3 verified contacts for South Bass Island State Park, with validated emails and direct phone numbers.
Unlock 3 verified contacts
Names, validated emails and direct phone numbers for decision-makers at South Bass Island State Park, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Ohio
Put In Bay · 1 mi away
0.09 MGD
Kelleys Island · 6 mi away
0.0026 MGD
Port Clinton · 8 mi away
0.51 MGD
Port Clinton · 9 mi away
1.11 MGD
Port Clinton · 11 mi away
1.93 MGD
Sandusky · 15 mi away
11.27 MGD
Oak Harbor · 15 mi away
0.0059 MGD
Oak Harbor · 19 mi away
0.0048 MGD
South Bass Island State Park: 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 6, 2024.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Equalization tank · Centrate · all terms