5143 Columbia Avenue, Hammond, IN 46320 · Lake County · Publicly Owned Treatment Works
Saniatry District Of Hammond is a publicly owned wastewater treatment plant in Hammond, Lake County, Indiana treating an average of 34.49 million gallons per day against a permitted design capacity of 37.8 MGD, serving about 156,645 residents. It discharges under NPDES permit IN0023060 (effective), which expires in April 2027, with 21 recorded violations in the last three years. EPA has recorded 6 formal enforcement actions naming the plant, the latest in November 2021.
3 treatment structures and unit processes identified at Saniatry District Of Hammond.
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See the full treatment train at Saniatry District Of Hammond: structures, unit processes and planned upgrades, with exact unit counts.
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Federal civil enforcement cases, compliance inspections and informal actions recorded for Saniatry District Of Hammond in EPA's ICIS system.
Latest case · Nov 2021
HAMMOND SANITARY DISTRICT
Judicial case · CWA, NPDES Discharge without a Permit · Superseded by Another Enforcement Action
Source: EPA ECHO, civil enforcement case 05-1992-0140.
Full case history with a free Klarifi account
Every action against Saniatry District Of Hammond with dates, milestones, violation types and EPA's complete case summaries, plus inspections and informal actions.
10 verified contacts for Saniatry District Of Hammond, with validated emails and direct phone numbers.
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Names, validated emails and direct phone numbers for decision-makers at Saniatry District Of Hammond, plus the full compliance history and discharge data.
East Chicago · 1 mi away
9.42 MGD
Gary · 6 mi away
42.04 MGD
Schererville · 8 mi away
6.55 MGD
Dyer · 8 mi away
1.9 MGD
Crown Point · 15 mi away
3.93 MGD
Portage · 15 mi away
4.21 MGD
Burns Harbor · 19 mi away
0.68 MGD
Crown Point · 19 mi away
0.46 MGD
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 May 18, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · WWTP · Biosolids · all terms