Shawnee No 2 WWTP
3640 Spencerville Road, Lima, OH 45805 · Allen County · Publicly Owned Treatment Works
- Average flow
- 1.89 MGD
- Design flow
- 3 MGD
- NPDES permit
- OH0023850
- Effective
- Permit expires
- May 2031
- Population served
- 7,617
- CWNS 2022
Shawnee No 2 WWTP is a publicly owned wastewater treatment works in Lima, Allen County, Ohio treating an average of 1.89 million gallons per day against a permitted design capacity of 3 MGD, serving about 7,617 residents. It discharges under NPDES permit OH0023850 (effective), which expires in May 2031, with 11 recorded violations in the last three years. EPA has recorded 2 formal enforcement actions naming the plant, the latest in May 1996.
Treatment technology
2 treatment structures and unit processes identified at Shawnee No 2 WWTP.
Available with a free Klarifi account
See the full treatment train at Shawnee No 2 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 Shawnee No 2 WWTP in EPA's ICIS system.
- Formal actions
- 2
- 0 since FY2020
- Penalties assessed
- $90,000
- all cases
- EPA inspections
- 0
- none on record
Latest case · May 1996
BOARD OF COMMISSIONERS OF ALLEN COUNTY, OHIO
Judicial case · CWA, NPDES Discharge without a Permit · Final Order With Penalty · Penalty $90,000
Source: EPA ECHO, civil enforcement case 05-1996-0251.
Full case history with a free Klarifi account
Every action against Shawnee No 2 WWTP with dates, milestones, violation types and EPA's complete case summaries, plus inspections and informal actions.
Key contacts
2 verified contacts for Shawnee No 2 WWTP, with validated emails and direct phone numbers.
Unlock 2 verified contacts
Names, validated emails and direct phone numbers for decision-makers at Shawnee No 2 WWTP, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Ohio
Lima · 2 mi away
14.49 MGD
Elida · 4 mi away
0.82 MGD
Cridersville · 5 mi away
0.34 MGD
Lima · 5 mi away
0.96 MGD
Elida · 5 mi away
0.48 MGD
Wapakoneta · 7 mi away
0.00055 MGD
Wapakoneta · 9 mi away
0.0067 MGD
Spencerville · 9 mi away
0.29 MGD
Shawnee No 2 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 · Equalization tank · Centrate · all terms