Fox River Water Pollution Control Center
21225 Enterprise Ave, Brookfield, WI 53005 · Waukesha County · Publicly Owned Treatment Works
- Average flow
- 10.11 MGD
- Design flow
- 10 MGD
- NPDES permit
- WI0023469
- Expired
- Permit expires
- December 2023
- Population served
- 58,930
- CWNS 2022
Fox River Water Pollution Control Center is a publicly owned wastewater treatment works in Brookfield, Waukesha County, Wisconsin treating an average of 10.11 million gallons per day against a permitted design capacity of 10 MGD, serving about 58,930 residents. It discharges under NPDES permit WI0023469 (expired), which expires in December 2023, with 9 recorded violations in the last three years. EPA has recorded 2 formal enforcement actions naming the plant, the latest in May 2017.
Treatment technology
4 treatment structures and unit processes identified at Fox River Water Pollution Control Center.
Available with a free Klarifi account
See the full treatment train at Fox River Water Pollution Control Center: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 9
- Effluent violations
- 9
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 Fox River Water Pollution Control Center in EPA's ICIS system.
- Formal actions
- 2
- 0 since FY2020
- Penalties assessed
- $1,250
- all cases
- Compliance actions
- $50,000
- required by EPA orders
- EPA inspections
- 1
- latest Jul 2004
Latest case · May 2017
Brookfield SSOs
Administrative order · CWA, NPDES Permit Violations · Final Order No Penalty · Compliance actions $50,000
Source: EPA ECHO, civil enforcement case 05-2011-0309.
Full case history with a free Klarifi account
Every action against Fox River Water Pollution Control Center with dates, milestones, violation types and EPA's complete case summaries, plus inspections and informal actions.
Capital improvement projects in Brookfield
Brookfield's capital improvement plan lists 21 water, sewer and wastewater line items worth $32M starting 2025–2029. The largest budgeted items are shown here.
All water and sewer capital projects in Brookfield →
| Project | Budget | Years |
|---|---|---|
| Brookfield Square interceptor improvements | $6,500,000 | 2025–2025 |
| Deer Creek basin sanitary sewer improvements | $3,500,000 | 2027–2027 |
| Brentwood Subd. Water main | $3,500,000 | 2028–2028 |
| Sleepy Hollow subd. Water main | $2,800,000 | 2027–2027 |
| Replace failing water main | $2,800,000 | 2025–2026 |
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
2 verified contacts for Fox River Water Pollution Control Center, with validated emails and direct phone numbers.
Unlock 2 verified contacts
Names, validated emails and direct phone numbers for decision-makers at Fox River Water Pollution Control Center, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Wisconsin
Waukesha · 5 mi away
3.33 MGD
Sussex · 5 mi away
2.75 MGD
Delafield · 12 mi away
2.24 MGD
Milwaukee · 13 mi away
103.5 MGD
Dousman · 15 mi away
0.2 MGD
Oconomowoc · 17 mi away
—
Wind Lake · 17 mi away
0.99 MGD
Jackson · 19 mi away
1.22 MGD
Fox River Water Pollution Control Center: 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 16, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Equalization tank · Centrate · all terms