Eaton WWTP
Eaton, OH · Preble County · Publicly Owned Treatment Works
- Average flow
- 0.69 MGD
- Design flow
- 1.9 MGD
- NPDES permit
- OH0020907
- Expired
- Permit expires
- January 2026
- Population served
- 8,310
- CWNS 2022
Eaton WWTP is a publicly owned wastewater treatment works in Eaton, Preble County, Ohio treating an average of 0.69 million gallons per day against a permitted design capacity of 1.9 MGD, serving about 8,310 residents. Treatment on site includes clarifiers, biogas silos, biological treatment, other, biosolids aerobic digestion, biosolids anaerobic digestion without energy recovery and other unit processes. It discharges under NPDES permit OH0020907 (expired), which expires in January 2026, with 20 recorded violations in the last three years. Planned upgrades on record: disinfection, uv.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Clarifiers
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Biogas silos
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Biological Treatment, Other
unit processBiosolids Aerobic Digestion
unit processBiosolids Anaerobic Digestion without Energy Recovery
unit processBiosolids Drying
unit processBiosolids Thickening
unit processDechlorination
unit processDisinfection, chlorine/ chloramine
unit processFiltration
unit processPrimary Clarification or Sedimentation
unit processScreening
unit processDisinfection, UV
planned upgradeUnlock exact unit counts →
Compliance snapshot (last 3 years)
- Total violations
- 20
- Effluent violations
- 2
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
1 verified contact for Eaton WWTP, with validated emails and direct phone numbers.
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Names, validated emails and direct phone numbers for decision-makers at Eaton WWTP, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Ohio
Eaton · 5 mi away
0.21 MGD
W Alexandria · 6 mi away
0.11 MGD
Camden · 8 mi away
0.13 MGD
Gratis · 8 mi away
0.03 MGD
Jefferson Twp. · 9 mi away
0.0055 MGD
Lewisburg · 10 mi away
0.17 MGD
West Manchester · 12 mi away
0.01 MGD
Eldorado · 12 mi away
0.02 MGD
Eaton 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 February 28, 2025.