West Milton WWTP
West Milton, OH · Miami County · Publicly Owned Treatment Works
- Average flow
- 0.4 MGD
- Design flow
- 1.2 MGD
- NPDES permit
- OH0021857
- Effective
- Permit expires
- February 2029
- Population served
- 4,721
- CWNS 2022
West Milton WWTP is a publicly owned wastewater treatment works in West Milton, Miami County, Ohio treating an average of 0.4 million gallons per day against a permitted design capacity of 1.2 MGD, serving about 4,721 residents. Treatment on site includes clarifiers. It discharges under NPDES permit OH0021857 (effective), which expires in February 2029, 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 West Milton WWTP.
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Nearby wastewater treatment plants in Ohio
Union · 4 mi away
0.56 MGD
Laura · 5 mi away
0.04 MGD
Englewood · 6 mi away
1.11 MGD
Pleasant Hill · 7 mi away
0.05 MGD
Troy · 8 mi away
3.48 MGD
Brookville · 10 mi away
0.6 MGD
Covington · 11 mi away
0.27 MGD
Arcanum · 12 mi away
0.18 MGD
West Milton WWTP: 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 3, 2026.