Lena Wastewater Treatment Facility
Lena, WI · Oconto County · Publicly Owned Treatment Works
- Average flow
- 0.07 MGD
- Design flow
- —
- NPDES permit
- WI0061361
- Expired
- Permit expires
- June 2021
- Population served
- 600
- CWNS 2022
Lena Wastewater Treatment Facility is a publicly owned wastewater treatment works in Lena, Oconto County, Wisconsin treating an average of 0.07 million gallons per day, serving about 600 residents. Treatment on site includes aerated lagoons, uncovered lagoons. It discharges under NPDES permit WI0061361 (expired), which expires in June 2021, with 8 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
- 8
- Effluent violations
- 8
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
1 verified contact for Lena Wastewater Treatment Facility, with validated emails and direct phone numbers.
Unlock 1 verified contact
Names, validated emails and direct phone numbers for decision-makers at Lena Wastewater Treatment Facility, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Wisconsin
Coleman · 8 mi away
0.11 MGD
Oconto · 10 mi away
0.38 MGD
Abrams · 12 mi away
0.02 MGD
Little Suamico · 16 mi away
0.09 MGD
Peshtigo · 16 mi away
—
Suring · 16 mi away
0.03 MGD
Krakow · 17 mi away
—
Crivitz · 20 mi away
0.09 MGD
Lena Wastewater Treatment Facility: 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 20, 2025.