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Oshkosh Wastewater Treatment F

233 Campbell Road, Oshkosh, WI 54901 · Winnebago County · Publicly Owned Treatment Works

Average flow
10.56 MGD
Design flow
20 MGD
NPDES permit
WI0025038
Expired
Permit expires
December 2023
Population served
78,158
CWNS 2022

Oshkosh Wastewater Treatment F is a publicly owned wastewater treatment works in Oshkosh, Winnebago County, Wisconsin treating an average of 10.56 million gallons per day against a permitted design capacity of 20 MGD, serving about 78,158 residents. It discharges under NPDES permit WI0025038 (expired), which expires in December 2023, with 33 recorded violations in the last three years. EPA has recorded 1 formal enforcement action naming the plant, the latest in January 2018.

Treatment technology

2 treatment structures and unit processes identified at Oshkosh Wastewater Treatment F.

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See the full treatment train at Oshkosh Wastewater Treatment F: structures, unit processes and planned upgrades, with exact unit counts.

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Compliance snapshot (last 3 years)

Total violations
33
Effluent violations
33

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 Oshkosh Wastewater Treatment F in EPA's ICIS system.

Formal actions
1
0 since FY2020
Compliance actions
$25,000
required by EPA orders
EPA inspections
0
none on record

Latest case · Jan 2018

CITY OF OSHKOSH

Administrative order · CWA, NPDES Permit Violations · Final Order No Penalty · Compliance actions $25,000

EPA's description of the case:

“City has a high frequency of basement backups within the sanitary sewer collection system.”

Source: EPA ECHO, civil enforcement case 05-2011-0314.

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Every action against Oshkosh Wastewater Treatment F with dates, milestones, violation types and EPA's complete case summaries, plus inspections and informal actions.

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Key contacts

2 verified contacts for Oshkosh Wastewater Treatment F, with validated emails and direct phone numbers.

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Names, validated emails and direct phone numbers for decision-makers at Oshkosh Wastewater Treatment F, plus the full compliance history and discharge data.

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Nearby wastewater treatment plants in Wisconsin

Butte Des Morts Consolidated Sd 1

Oshkosh · 7 mi away

0.06 MGD

0.43 MGD

Larsen Winchester Sd WW Trtmnt

Winchester · 12 mi away

0.13 MGD

0.06 MGD

12.33 MGD

Poygan Poy Sippi Sd 1 WWTF

Winneconne · 14 mi away

0.04 MGD

Rosendale WWTF

Rosendale · 15 mi away

0.1 MGD

Grand Chute-Menasha West Sewer

Neenah · 15 mi away

6.52 MGD

Oshkosh Wastewater Treatment F: 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 March 2, 2025.

Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Anaerobic digester · Lift station · all terms


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