Grand Chute-Menasha West Sewer
Neenah, WI · Winnebago County · Publicly Owned Treatment Works
- Average flow
- 5.31 MGD
- Design flow
- 3.9 MGD
- NPDES permit
- WI0024686
- Expired
- Permit expires
- June 2022
- Population served
- 36,713
- CWNS 2022
Grand Chute-Menasha West Sewer is a publicly owned wastewater treatment works in Neenah, Winnebago County, Wisconsin treating an average of 5.31 million gallons per day against a permitted design capacity of 3.9 MGD, serving about 36,713 residents. Treatment on site includes clarifiers, biogas silos. It discharges under NPDES permit WI0024686 (expired), which expires in June 2022, with 3 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
- 3
- Effluent violations
- 3
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Capital improvement projects in Neenah
Neenah's capital improvement plan lists 76 water, sewer and wastewater line items worth $22M starting 2024–2028. The largest budgeted items are shown here.
All water and sewer capital projects in Neenah →
| Project | Budget | Years |
|---|---|---|
| Meter and Endpoint Replacement Program | $2,100,000 | 2024–2028 |
| Oak Street (Cecil - Franklin) | $1,210,000 | 2028–2028 |
| Congress Street (Cecil - Columbian) | $1,000,000 | 2027–2027 |
| Oak Street (E. Cecil - E. Franklin) Inc. Sludge Line | $788,000 | 2028–2028 |
| Reed Street (Cecil - Washington) | $770,000 | 2025–2025 |
Full project details — scope, funding source, engineering consultant and the decision-makers behind each project — are available in Klarifi, along with similar wastewater capital projects in other cities.
Key contacts
1 verified contact for Grand Chute-Menasha West Sewer, with validated emails and direct phone numbers.
Unlock 1 verified contact
Names, validated emails and direct phone numbers for decision-makers at Grand Chute-Menasha West Sewer, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Wisconsin
Menasha · 2 mi away
—
Appleton · 5 mi away
9.25 MGD
Winchester · 9 mi away
—
Dale · 11 mi away
0.02 MGD
Kaukauna · 11 mi away
2.21 MGD
Hortonville · 12 mi away
0.24 MGD
Woodville · 12 mi away
—
Oshkosh · 12 mi away
0.05 MGD
Grand Chute-Menasha West Sewer: 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 May 29, 2025.