Upper Mill Creek Water Reclamation Facil
West Chester, OH · Butler County · Publicly Owned Treatment Works
- Average flow
- 8.34 MGD
- Design flow
- 16 MGD
- NPDES permit
- OH0072087
- Expired
- Permit expires
- December 2023
- Population served
- 74,361
- CWNS 2022
Upper Mill Creek Water Reclamation Facil is a publicly owned wastewater treatment works in West Chester, Butler County, Ohio treating an average of 8.34 million gallons per day against a permitted design capacity of 16 MGD, serving about 74,361 residents. Treatment on site includes clarifiers, aerated lagoons, carrousels / oxidation ditches, biogas balloons. It discharges under NPDES permit OH0072087 (expired), which expires in December 2023, with 33 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Clarifiers
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Aerated lagoons
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Carrousels / oxidation ditches
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Biogas balloons
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Compliance snapshot (last 3 years)
- Total violations
- 33
- Effluent violations
- 25
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
16 verified contacts for Upper Mill Creek Water Reclamation Facil, with validated emails and direct phone numbers.
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Names, validated emails and direct phone numbers for decision-makers at Upper Mill Creek Water Reclamation Facil, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Ohio
Glendale · 2 mi away
0.29 MGD
Cincinnati · 8 mi away
5.2 MGD
Loveland · 8 mi away
3.35 MGD
Loveland · 8 mi away
0.09 MGD
Cincinnati · 8 mi away
0.02 MGD
Fairfield · 9 mi away
3.88 MGD
Hamilton · 9 mi away
5.26 MGD
Hamilton · 9 mi away
7.64 MGD
Upper Mill Creek Water Reclamation Facil: 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 March 5, 2025.