Smithfield WWTP
Smithfield, OH · Jefferson County · Publicly Owned Treatment Works
- Average flow
- 0.18 MGD
- Design flow
- 0.11 MGD
- NPDES permit
- OH0050148
- Effective
- Permit expires
- March 2028
- Population served
- 869
- CWNS 2022
Smithfield WWTP is a publicly owned wastewater treatment works in Smithfield, Jefferson County, Ohio treating an average of 0.18 million gallons per day against a permitted design capacity of 0.11 MGD, serving about 869 residents. Treatment on site includes aerated lagoons. It discharges under NPDES permit OH0050148 (effective), which expires in March 2028, with 11 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Aerated lagoons
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Compliance snapshot (last 3 years)
- Total violations
- 11
- Effluent violations
- 11
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
1 verified contact for Smithfield WWTP, with validated emails and direct phone numbers.
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Names, validated emails and direct phone numbers for decision-makers at Smithfield WWTP, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Ohio
Dillonvale · 4 mi away
0.04 MGD
Adena · 6 mi away
0.15 MGD
Hopedale · 7 mi away
0.09 MGD
Tiltonsville · 7 mi away
0.12 MGD
Brilliant · 7 mi away
0.09 MGD
Yorkville · 9 mi away
0.05 MGD
Wintersville · 9 mi away
0.33 MGD
Mingo Junction · 9 mi away
0.44 MGD
Smithfield 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.