Gresham Wastewater Treatment Facility
Gresham, WI · Shawano County · Publicly Owned Treatment Works
- Average flow
- 0.05 MGD
- Design flow
- 0.15 MGD
- NPDES permit
- WI0022781
- Administratively continued
- Permit expires
- December 2015
- Population served
- 604
- CWNS 2022
Gresham Wastewater Treatment Facility is a publicly owned wastewater treatment works in Gresham, Shawano County, Wisconsin treating an average of 0.05 million gallons per day against a permitted design capacity of 0.15 MGD, serving about 604 residents. Treatment on site includes aerated lagoons. It discharges under NPDES permit WI0022781 (administratively continued), which expires in December 2015, with 8 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Aerated lagoons
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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 Gresham Wastewater Treatment Facility, with validated emails and direct phone numbers.
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Names, validated emails and direct phone numbers for decision-makers at Gresham Wastewater Treatment Facility, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Wisconsin
Keshena · 8 mi away
0.12 MGD
Bowler · 9 mi away
—
Shawano · 9 mi away
1.71 MGD
Caroline · 10 mi away
—
Bowler · 10 mi away
0.01 MGD
Keshena · 11 mi away
0.08 MGD
Marion · 13 mi away
0.21 MGD
Clintonville · 15 mi away
0.45 MGD
Gresham 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.