City Of Warren Water Pollution Control
2323 Main Ave SW, Warren, OH 44482 · Trumbull County · Publicly Owned Treatment Works
- Average flow
- 13.31 MGD
- Design flow
- 16 MGD
- NPDES permit
- OH0027987
- Effective
- Permit expires
- November 2028
- Population served
- 42,553
- CWNS 2022
City Of Warren Water Pollution Control is a publicly owned wastewater treatment works in Warren, Trumbull County, Ohio treating an average of 13.31 million gallons per day against a permitted design capacity of 16 MGD, serving about 42,553 residents. It discharges under NPDES permit OH0027987 (effective), which expires in November 2028, with 68 recorded violations in the last three years. EPA has recorded 1 formal enforcement action naming the plant, the latest in December 1989.
Treatment technology
One treatment structure or unit process identified at City Of Warren Water Pollution Control.
Available with a free Klarifi account
See the full treatment train at City Of Warren Water Pollution Control: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 68
- Effluent violations
- 68
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 City Of Warren Water Pollution Control in EPA's ICIS system.
- Formal actions
- 1
- 0 since FY2020
- EPA inspections
- 0
- none on record
Latest case · Dec 1989
WARREN WTP
Judicial case · CAA, Implementation Plan for National Primary and Secondary Ambient Air Quality Standards · Final Order No Penalty
Source: EPA ECHO, civil enforcement case 05-1978-0082.
Full case history with a free Klarifi account
Every action against City Of Warren Water Pollution Control with dates, milestones, violation types and EPA's complete case summaries, plus inspections and informal actions.
Key contacts
5 verified contacts for City Of Warren Water Pollution Control, with validated emails and direct phone numbers.
Unlock 5 verified contacts (2 more than shown)
Names, validated emails and direct phone numbers for decision-makers at City Of Warren Water Pollution Control, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Ohio
Mineral Ridge · 4 mi away
3.72 MGD
Niles · 4 mi away
5.01 MGD
Warren · 4 mi away
4.55 MGD
Leavittsburg · 6 mi away
0.0073 MGD
Warren · 6 mi away
0.0038 MGD
Warren · 7 mi away
0.01 MGD
Girard · 7 mi away
3.06 MGD
Newton Falls · 8 mi away
1.22 MGD
City Of Warren Water Pollution Control: 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 September 13, 2026.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Significant industrial user · WWTP · all terms