Winfield WWTP
7390 E 112th St, Crown Point, IN 46307 · Lake County · Publicly Owned Treatment Works
- Average flow
- 0.46 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 0.46 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 20 recorded violations in the last three years.
Treatment technology
Treatment structures and unit processes at Winfield WWTP.
Treatment structure data not yet analyzed for this facility.
Compliance snapshot (last 3 years)
- Total violations
- 20
- Effluent violations
- 18
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
Klarifi verifies plant and municipal decision-makers continuously. Start a free trial to browse contacts at nearby plants and flag this one for verification.
Nearby wastewater treatment plants in Indiana
Hebron · 5 mi away
0.11 MGD
Crown Point · 6 mi away
3.93 MGD
Valparaiso · 7 mi away
0.14 MGD
Hebron · 8 mi away
0.37 MGD
Lowell · 10 mi away
0.03 MGD
Valparaiso · 10 mi away
5.77 MGD
Schererville · 13 mi away
6.55 MGD
Portage · 13 mi away
4.21 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 October 26, 2026; facility record last updated August 13, 2024.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Sludge dewatering · Biological nutrient removal · all terms