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Saniatry District Of Hammond

5143 Columbia Avenue, Hammond, IN 46320 · Lake County · Publicly Owned Treatment Works

Average flow
34.49 MGD
Design flow
37.8 MGD
NPDES permit
IN0023060
Effective
Permit expires
April 2027
Population served
156,645
CWNS 2022

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.

Treatment technology

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.

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Compliance snapshot (last 3 years)

Total violations
21
Effluent violations
18

Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.

EPA enforcement history

Federal civil enforcement cases, compliance inspections and informal actions recorded for Saniatry District Of Hammond in EPA's ICIS system.

Formal actions
6
0 since FY2020
Penalties assessed
$405,000
all cases
Compliance actions
$240M
required by EPA orders
EPA inspections
1
latest Mar 2009

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Judicial case · CWA, NPDES Discharge without a Permit · Superseded by Another Enforcement Action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.

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Key contacts

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.

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Nearby wastewater treatment plants in Indiana

East Chicago Sanitary District

East Chicago · 1 mi away

9.42 MGD

Gary Sanitary District

Gary · 6 mi away

42.04 MGD

Schererville WWTP

Schererville · 8 mi away

6.55 MGD

1.9 MGD

4.21 MGD

0.68 MGD

Winfield WWTP

Crown Point · 19 mi away

0.46 MGD

Saniatry District Of Hammond: 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 May 18, 2025.

Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · WWTP · Biosolids · all terms


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