East Chicago Sanitary District
East Chicago, IN · Lake County · Publicly Owned Treatment Works
- Average flow
- 13.24 MGD
- Design flow
- 15 MGD
- NPDES permit
- IN0022829
- Administratively continued
- Permit expires
- June 2026
- Population served
- 35,382
- CWNS 2022
East Chicago Sanitary District is a publicly owned wastewater treatment plant in East Chicago, Lake County, Indiana treating an average of 13.24 million gallons per day against a permitted design capacity of 15 MGD, serving about 35,382 residents. Treatment on site includes clarifiers, aerated lagoons, carrousels / oxidation ditches. It discharges under NPDES permit IN0022829 (administratively continued), which expires in June 2026, with 44 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Compliance snapshot (last 3 years)
- Total violations
- 44
- Effluent violations
- 18
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
9 verified contacts for East Chicago Sanitary District, with validated emails and direct phone numbers.
Unlock 9 verified contacts (6 more than shown)
Names, validated emails and direct phone numbers for decision-makers at East Chicago Sanitary District, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Indiana
Hammond · 1 mi away
25.83 MGD
Gary · 5 mi away
32.6 MGD
Schererville · 8 mi away
4.75 MGD
Dyer · 8 mi away
1.24 MGD
Crown Point · 14 mi away
2.5 MGD
Portage · 14 mi away
3.33 MGD
Burns Harbor · 18 mi away
0.74 MGD
Crown Point · 18 mi away
0.37 MGD
East Chicago Sanitary District: 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 March 29, 2025.