Mt Orab WWTP
12943 US 68, Mount Orab, OH 45154 · Brown County · Publicly Owned Treatment Works
- Average flow
- 0.66 MGD
- Design flow
- 1.18 MGD
- NPDES permit
- OH0026646
- Effective
- Permit expires
- September 2028
- Population served
- 3,346
- CWNS 2022
Mt Orab WWTP is a publicly owned wastewater treatment works in Mount Orab, Brown County, Ohio treating an average of 0.66 million gallons per day against a permitted design capacity of 1.18 MGD, serving about 3,346 residents. It discharges under NPDES permit OH0026646 (effective), which expires in September 2028, with 1 recorded violation in the last three years.
Treatment technology
2 treatment structures and unit processes identified at Mt Orab WWTP.
Available with a free Klarifi account
See the full treatment train at Mt Orab WWTP: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 1
- Effluent violations
- 1
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Mt Orab WWTP.
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Nearby wastewater treatment plants in Ohio
Sardinia · 6 mi away
0.11 MGD
Williamsburg · 8 mi away
0.53 MGD
Georgetown · 10 mi away
0.73 MGD
Russellville · 11 mi away
0.18 MGD
Amelia · 13 mi away
0.02 MGD
Fayetteville · 13 mi away
0.36 MGD
Felicity · 15 mi away
0.17 MGD
Winchester · 16 mi away
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Mt Orab 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 October 26, 2026; facility record last updated August 18, 2026.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · FOG · Equalization tank · all terms