Smithfield WWTP
378 Sherwood Avenue, Smithfield, OH 43948 · Jefferson County · Publicly Owned Treatment Works
- Average flow
- 0.11 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 0.11 million gallons per day against a permitted design capacity of 0.11 MGD, serving about 869 residents. It discharges under NPDES permit OH0050148 (effective), which expires in March 2028, with 11 recorded violations in the last three years.
Treatment technology
One treatment structure or unit process identified at Smithfield WWTP.
Available with a free Klarifi account
See the full treatment train at Smithfield WWTP: structures, unit processes and planned upgrades, with exact unit counts.
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.
EPA enforcement history
Federal civil enforcement cases, compliance inspections and informal actions recorded for Smithfield WWTP in EPA's ICIS system.
- Formal actions
- 0
- none on record
- EPA inspections
- 1
- latest Feb 2015
No formal federal enforcement case is on record for this plant.
1 informal enforcement action (notices of violation and similar), the latest in Feb 2015.
Full case history with a free Klarifi account
Every action against Smithfield WWTP with dates, milestones, violation types and EPA's complete case summaries, plus inspections and informal actions.
Key contacts
1 verified contact for Smithfield WWTP, with validated emails and direct phone numbers.
Unlock 1 verified contact
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
0.13 MGD
Adena · 6 mi away
0.21 MGD
Hopedale · 7 mi away
0.09 MGD
Tiltonsville · 7 mi away
0.16 MGD
Brilliant · 7 mi away
0.13 MGD
Yorkville · 9 mi away
0.09 MGD
Wintersville · 9 mi away
0.55 MGD
Mingo Junction · 9 mi away
0.64 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 October 26, 2026; facility record last updated April 24, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · WWTP · Biosolids · all terms