Waste Water Treatment Plant
Youngstown, OH · Mahoning County · Publicly Owned Treatment Works
- Average flow
- 20.84 MGD
- Design flow
- 35 MGD
- NPDES permit
- OH0028223
- Effective
- Permit expires
- October 2028
- Population served
- 125,268
- CWNS 2022
Waste Water Treatment Plant is a publicly owned wastewater treatment works in Youngstown, Mahoning County, Ohio treating an average of 20.84 million gallons per day against a permitted design capacity of 35 MGD, serving about 125,268 residents. Treatment on site includes biogas silos, biogas balloons. It discharges under NPDES permit OH0028223 (effective), which expires in October 2028, with 231 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
- 231
- Effluent violations
- 3
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
2 verified contacts for Waste Water Treatment Plant, with validated emails and direct phone numbers.
Unlock 2 verified contacts
Names, validated emails and direct phone numbers for decision-makers at Waste Water Treatment Plant, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Ohio
Campbell · 3 mi away
0.62 MGD
Girard · 5 mi away
1.97 MGD
Struthers · 5 mi away
2.8 MGD
Warren · 6 mi away
0.0034 MGD
Youngstown · 6 mi away
2.53 MGD
Lowellville · 7 mi away
0.26 MGD
Hubbard · 7 mi away
0.93 MGD
Niles · 8 mi away
3.43 MGD
Waste Water Treatment Plant: 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.