Will-O-Brook Mhp
Norwalk, OH · Huron County · Publicly Owned Treatment Works
- Average flow
- 0.0024 MGD
- Design flow
- 0.006 MGD
- NPDES permit
- OH0130494
- Effective
- Permit expires
- October 2029
- Population served
- —
- CWNS 2022
Will-O-Brook Mhp is a publicly owned wastewater treatment plant in Norwalk, Huron County, Ohio treating an average of 0.0024 million gallons per day against a permitted design capacity of 0.006 MGD. It discharges under NPDES permit OH0130494 (effective), which expires in October 2029, with 17 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
- 17
- 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 Will-O-Brook Mhp.
No verified contacts on file yet
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Nearby wastewater treatment plants in Ohio
Norwalk · 1 mi away
1.32 MGD
Norwalk · 3 mi away
0.000053 MGD
Milan · 3 mi away
0.002 MGD
Milan · 3 mi away
0.09 MGD
Monroeville · 5 mi away
0.09 MGD
Norwalk · 6 mi away
0.00041 MGD
Huron · 6 mi away
0.0015 MGD
Collins · 7 mi away
0.0068 MGD
Will-O-Brook Mhp: 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 September 3, 2024.