Western Regional WRF
West Carrollton, OH · Montgomery County · Publicly Owned Treatment Works
- Average flow
- 7.67 MGD
- Design flow
- 20 MGD
- NPDES permit
- OH0026638
- Effective
- Permit expires
- October 2026
- Population served
- 88,254
- CWNS 2022
Western Regional WRF is a publicly owned wastewater treatment works in West Carrollton, Montgomery County, Ohio treating an average of 7.67 million gallons per day against a permitted design capacity of 20 MGD, serving about 88,254 residents. Treatment on site includes clarifiers. It discharges under NPDES permit OH0026638 (effective), which expires in October 2026, with 2 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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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
Decision-makers at Western Regional WRF.
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Nearby wastewater treatment plants in Ohio
W Carrollton · 2 mi away
0.85 MGD
Dayton · 3 mi away
38.22 MGD
Dayton · 3 mi away
0.00063 MGD
Miamisburg · 5 mi away
1.66 MGD
New Lebanon · 8 mi away
0.31 MGD
Kettering · 8 mi away
5.68 MGD
Farmersville · 9 mi away
0.12 MGD
Springboro · 9 mi away
1.58 MGD
Western Regional WRF: 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 April 6, 2025.