Walnut Heights Subdiv
Circleville, OH · Pickaway County · Publicly Owned Treatment Works
- Average flow
- 0.01 MGD
- Design flow
- 0.06 MGD
- NPDES permit
- OH0101834
- Effective
- Permit expires
- June 2027
- Population served
- 205
- CWNS 2022
Walnut Heights Subdiv is a publicly owned wastewater treatment plant in Circleville, Pickaway County, Ohio treating an average of 0.01 million gallons per day against a permitted design capacity of 0.06 MGD, serving about 205 residents. It discharges under NPDES permit OH0101834 (effective), which expires in June 2027, with 19 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
- 19
- Effluent violations
- 17
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Walnut Heights Subdiv.
No verified contacts on file yet
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Nearby wastewater treatment plants in Ohio
Ashville · 4 mi away
0.0017 MGD
Circleville · 6 mi away
0.0056 MGD
Lockbourne · 6 mi away
0.01 MGD
Circleville · 6 mi away
1.17 MGD
Commercial Point · 6 mi away
0.36 MGD
Circleville · 7 mi away
0.0064 MGD
Circleville · 8 mi away
0.0044 MGD
Williamsport · 8 mi away
0.0073 MGD
Walnut Heights Subdiv: 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.