Jefferson WWTP
Jefferson, OH · Ashtabula County · Publicly Owned Treatment Works
- Average flow
- 0.35 MGD
- Design flow
- 1 MGD
- NPDES permit
- OH0025887
- Effective
- Permit expires
- November 2026
- Population served
- 3,120
- CWNS 2022
Jefferson WWTP is a publicly owned wastewater treatment works in Jefferson, Ashtabula County, Ohio treating an average of 0.35 million gallons per day against a permitted design capacity of 1 MGD, serving about 3,120 residents. Treatment on site includes clarifiers, uncovered lagoons. It discharges under NPDES permit OH0025887 (effective), which expires in November 2026, with 38 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
- 38
- Effluent violations
- 38
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
1 verified contact for Jefferson WWTP, with validated emails and direct phone numbers.
Unlock 1 verified contact
Names, validated emails and direct phone numbers for decision-makers at Jefferson WWTP, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Ohio
Austinburg · 5 mi away
0.09 MGD
Ashtabula · 6 mi away
0.01 MGD
Roaming Shores · 7 mi away
0.04 MGD
Rock Creek · 7 mi away
0.03 MGD
Geneva · 9 mi away
0.0081 MGD
Geneva · 10 mi away
0.64 MGD
Rome · 11 mi away
0.000063 MGD
Ashtabula · 11 mi away
2.72 MGD
Jefferson 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 November 29, 2025.