Gary Sanitary District
Gary, IN · Lake County · Publicly Owned Treatment Works
- Average flow
- 32.6 MGD
- Design flow
- 60 MGD
- NPDES permit
- IN0022977
- Effective
- Permit expires
- June 2027
- Population served
- 195,005
- CWNS 2022
Gary Sanitary District is a publicly owned wastewater treatment plant in Gary, Lake County, Indiana treating an average of 32.6 million gallons per day against a permitted design capacity of 60 MGD, serving about 195,005 residents. Treatment on site includes clarifiers, biogas silos, biogas balloons. It discharges under NPDES permit IN0022977 (effective), which expires in June 2027, with 24 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
- 24
- Effluent violations
- 17
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
21 verified contacts for Gary Sanitary District, with validated emails and direct phone numbers.
Unlock 21 verified contacts (18 more than shown)
Names, validated emails and direct phone numbers for decision-makers at Gary Sanitary District, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Indiana
East Chicago · 5 mi away
13.24 MGD
Hammond · 6 mi away
25.83 MGD
Schererville · 8 mi away
4.75 MGD
Portage · 10 mi away
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Dyer · 10 mi away
1.24 MGD
Crown Point · 12 mi away
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Burns Harbor · 13 mi away
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Crown Point · 15 mi away
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Gary 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 4, 2025.