Winfield WWTP
Crown Point, IN · Lake County · Publicly Owned Treatment Works
- Average flow
- 0.37 MGD
- Design flow
- 1.6 MGD
- NPDES permit
- IN0058343
- Effective
- Permit expires
- December 2030
- Population served
- 6,924
- CWNS 2022
Winfield WWTP is a publicly owned wastewater treatment works in Crown Point, Lake County, Indiana treating an average of 0.37 million gallons per day against a permitted design capacity of 1.6 MGD, serving about 6,924 residents. It discharges under NPDES permit IN0058343 (effective), which expires in December 2030, with 18 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Treatment structure data not yet analyzed for this facility.
Compliance snapshot (last 3 years)
- Total violations
- 18
- Effluent violations
- 16
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Winfield WWTP.
No verified contacts on file yet
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Nearby wastewater treatment plants in Indiana
Hebron · 5 mi away
0.04 MGD
Crown Point · 6 mi away
2.5 MGD
Valparaiso · 7 mi away
0.13 MGD
Hebron · 8 mi away
0.21 MGD
Lowell · 10 mi away
0.01 MGD
Valparaiso · 10 mi away
4.41 MGD
Schererville · 13 mi away
4.75 MGD
Portage · 13 mi away
3.33 MGD
Winfield WWTP: 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 August 13, 2024.