Hamilton Water Reclamation Facility
Hamilton, OH · Butler County · Publicly Owned Treatment Works
- Average flow
- 5.26 MGD
- Design flow
- 32 MGD
- NPDES permit
- OH0025445
- Effective
- Permit expires
- October 2026
- Population served
- 64,583
- CWNS 2022
Hamilton Water Reclamation Facility is a publicly owned wastewater treatment works in Hamilton, Butler County, Ohio treating an average of 5.26 million gallons per day against a permitted design capacity of 32 MGD, serving about 64,583 residents. Treatment on site includes clarifiers, biogas silos. It discharges under NPDES permit OH0025445 (effective), which expires in October 2026, with 7 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Compliance snapshot (last 3 years)
- Total violations
- 7
- Effluent violations
- 7
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
3 verified contacts for Hamilton Water Reclamation Facility, with validated emails and direct phone numbers.
Unlock 3 verified contacts
Names, validated emails and direct phone numbers for decision-makers at Hamilton Water Reclamation Facility, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Ohio
Fairfield · 1 mi away
3.88 MGD
Hamilton · 4 mi away
0.18 MGD
New Miami · 5 mi away
0.16 MGD
Ross · 5 mi away
0.14 MGD
Cincinnati · 6 mi away
0.02 MGD
Hamilton · 6 mi away
0.0014 MGD
Hamilton · 6 mi away
0.0087 MGD
Cincinnati · 7 mi away
0.000007 MGD
Hamilton Water Reclamation Facility: 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 August 13, 2026.