Appleton City WWTF
59 Weimar Court, Appleton, WI 54915 · Outagamie County · Publicly Owned Treatment Works
- Average flow
- 9.3 MGD
- Design flow
- —
- NPDES permit
- WI0023221
- Expired
- Permit expires
- March 2022
- Population served
- 74,098
- CWNS 2022
Appleton City WWTF is a publicly owned wastewater treatment works in Appleton, Outagamie County, Wisconsin treating an average of 9.3 million gallons per day, serving about 74,098 residents. It discharges under NPDES permit WI0023221 (expired), which expires in March 2022, with 7 recorded violations in the last three years.
Treatment technology
3 treatment structures and unit processes identified at Appleton City WWTF.
Available with a free Klarifi account
See the full treatment train at Appleton City WWTF: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 7
- Effluent violations
- 7
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
4 verified contacts for Appleton City WWTF, with validated emails and direct phone numbers.
Unlock 4 verified contacts (1 more than shown)
Names, validated emails and direct phone numbers for decision-makers at Appleton City WWTF, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Wisconsin
Neenah · 5 mi away
6.52 MGD
Kaukauna · 6 mi away
4.54 MGD
Menasha · 7 mi away
12.33 MGD
Woodville · 9 mi away
—
Kaukauna · 10 mi away
0.34 MGD
Holland · 11 mi away
0.25 MGD
Wrightstown · 12 mi away
0.29 MGD
Brillion · 13 mi away
0.05 MGD
Appleton City WWTF: 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 16, 2026.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Oxidation ditch · Anaerobic digester · all terms