Odnr-Hocking Hills State Park-Odnr Hocking Hills State Park
20160 State Route 664, Logan, OH 43138 · Hocking County · Publicly Owned Treatment Works
- Average flow
- 0.01 MGD
- Design flow
- 0.03 MGD
- NPDES permit
- OH0037567
- Effective
- Permit expires
- January 2031
- Population served
- —
- CWNS 2022
Odnr-Hocking Hills State Park-Odnr Hocking Hills State Park is a publicly owned wastewater treatment plant in Logan, Hocking County, Ohio treating an average of 0.01 million gallons per day against a permitted design capacity of 0.03 MGD. It discharges under NPDES permit OH0037567 (effective), which expires in January 2031, with 2 recorded violations in the last three years.
Treatment technology
Treatment structures and unit processes at Odnr-Hocking Hills State Park-Odnr Hocking Hills State Park.
Treatment structure data not yet analyzed for this facility.
Compliance snapshot (last 3 years)
- Total violations
- 2
- Effluent violations
- 2
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
2 verified contacts for Odnr-Hocking Hills State Park-Odnr Hocking Hills State Park, with validated emails and direct phone numbers.
Unlock 2 verified contacts
Names, validated emails and direct phone numbers for decision-makers at Odnr-Hocking Hills State Park-Odnr Hocking Hills State Park, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Ohio
Logan · 8 mi away
0.02 MGD
Laurelville · 10 mi away
0.12 MGD
Logan · 11 mi away
1.18 MGD
Laurelville · 11 mi away
0.0024 MGD
Rockbridge · 11 mi away
0.02 MGD
Logan · 12 mi away
0.04 MGD
Zaleski · 13 mi away
0.0027 MGD
Mcarthur · 13 mi away
0.48 MGD
Odnr-Hocking Hills State Park-Odnr Hocking Hills 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 · Ozonation · Activated sludge · all terms