City Of Twinsburg WWTP
10231 Ravenna Rd, Twinsburg, OH 44087 · Summit County · Publicly Owned Treatment Works
- Average flow
- 3.27 MGD
- Design flow
- 5.8 MGD
- NPDES permit
- OH0027863
- Effective
- Permit expires
- April 2031
- Population served
- 21,809
- CWNS 2022
City Of Twinsburg WWTP is a publicly owned wastewater treatment works in Twinsburg, Summit County, Ohio treating an average of 3.27 million gallons per day against a permitted design capacity of 5.8 MGD, serving about 21,809 residents. It discharges under NPDES permit OH0027863 (effective), which expires in April 2031, with 39 recorded violations in the last three years.
Treatment technology
3 treatment structures and unit processes identified at City Of Twinsburg WWTP.
Available with a free Klarifi account
See the full treatment train at City Of Twinsburg WWTP: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 39
- Effluent violations
- 39
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
7 verified contacts for City Of Twinsburg WWTP, with validated emails and direct phone numbers.
Unlock 7 verified contacts (4 more than shown)
Names, validated emails and direct phone numbers for decision-makers at City Of Twinsburg WWTP, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Ohio
Aurora · 3 mi away
1.07 MGD
Solon · 3 mi away
3.9 MGD
Bedford Heights · 5 mi away
1.83 MGD
Bainbridge · 6 mi away
1.42 MGD
Aurora · 6 mi away
0.91 MGD
Streetsboro · 6 mi away
3 MGD
Chagrin Falls · 7 mi away
0.93 MGD
Bedford · 7 mi away
2.23 MGD
City Of Twinsburg 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 March 8, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Ozonation · Activated sludge · all terms