Muddy Creek WWTP
Cincinnati, OH · Hamilton County · Publicly Owned Treatment Works
- Average flow
- 7.73 MGD
- Design flow
- 15 MGD
- NPDES permit
- OH0025470
- Effective
- Permit expires
- March 2030
- Population served
- 80,528
- CWNS 2022
Muddy Creek WWTP is a publicly owned wastewater treatment works in Cincinnati, Hamilton County, Ohio treating an average of 7.73 million gallons per day against a permitted design capacity of 15 MGD, serving about 80,528 residents. Treatment on site includes clarifiers, biogas balloons. It discharges under NPDES permit OH0025470 (effective), which expires in March 2030, with 18 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Compliance snapshot (last 3 years)
- Total violations
- 18
- Effluent violations
- 8
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
3 verified contacts for Muddy Creek WWTP, with validated emails and direct phone numbers.
Unlock 3 verified contacts
Names, validated emails and direct phone numbers for decision-makers at Muddy Creek WWTP, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Ohio
North Bend · 5 mi away
0.59 MGD
Cincinnati · 5 mi away
0.00027 MGD
Cincinnati · 6 mi away
0.01 MGD
Cincinnati · 6 mi away
0.02 MGD
Cleves · 8 mi away
0.0024 MGD
Cleves · 8 mi away
2.38 MGD
Cincinnati · 10 mi away
0.0013 MGD
Harrison · 11 mi away
0.0039 MGD
Muddy Creek 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 April 24, 2025.