Little Calumet River at Gary (Grant St)

Highest listed crest 16.00 ftFlood stage 11.0 ft6 crests since 2008

The Little Calumet River at Gary (Grant St) crested above flood stage 4 times among the 6 crests the National Weather Service lists from 2008 to 2020. The highest, 16.00 ft on September 14, 2008, was moderate flooding, 5.00 feet above flood stage. 7 other gauges on the Little Calumet River crested above flood stage within a week of it, 6 at their own highest listed crest.

The gauge

Highest listed crest: 16.00 ft; September 14, 2008
Flood stage: 11.0 ft; Major flooding from 18.0 ft
Crests at major: 0; 4 above flood stage
Most recent flood crest: May 19, 2020; 11.91 ft, minor flooding
Location: Lake County; Near Gary (1.8 mi), Griffith (4.4 mi), Lake Station (5.4 mi)
Identifiers: NWS GRGI3; USGS 04093176

Flood stages

The thresholds the National Weather Service uses for this gauge today, and how many listed crests reached each.

Flood categories, Little Calumet River at Gary (Grant St)

Action stage	8.5	2	May 2, 2020	The level at which the NWS or its partners begin to take action
Flood stage (minor)	11.0	3	May 19, 2020	Minimal or no property damage, but possibly some public threat
Moderate flood stage	13.0	1	Sep 14, 2008	Some inundation of structures and roads near the stream
Major flood stage	18.0	0	—	Extensive inundation of structures and roads

Every listed crest

6 crests from 2008 to 2020. Filled: at or above flood stage. Hover a crest for its date and stage.

Crests at or above flood stage, by decade

These are the crests the local National Weather Service office lists for the gauge: the highest on record and recent crests. Lesser floods between them may be missing, so counts by decade are a floor.
Categories use today's flood stages. Levees, dams and channel changes since a crest can make old and new stages not directly comparable.

Highest crests

Highest listed crests, Little Calumet River at Gary (Grant St)

1	Sep 14, 2008	16.00	+5.00	Moderate	—
2	May 3, 2019	12.20	+1.20	Minor	—
3	May 19, 2020	11.91	+0.91	Minor	—
4	Oct 1, 2019	11.05	+0.05	Minor	—
5	May 2, 2020	10.21	−0.79	Action	—
6	Jan 14, 2020	9.84	−1.16	Action	—

The worst floods along the Little Calumet River

For this gauge's highest crests, the other gauges on the Little Calumet River that crested above flood stage within a week.

September 14, 2008: 16.00 ft here, moderate flooding

South HollandIL · Sep 14, 2008 · 20.16 ft · Major
Lake StationIN · Sep 14, 2008 · 17.50 ft · Major · its highest
MunsterIN · Sep 14, 2008 · 17.29 ft · Major · its highest
Munster (Northcote Avenue)IN · Sep 14, 2008 · 20.00 ft · Moderate · its highest
Highland (Kennedy Avenue)IN · Sep 14, 2008 · 17.50 ft · Moderate · its highest
Gary (Burr Street)IN · Sep 14, 2008 · 14.50 ft · Moderate · its highest
Hammond (Indianapolis Boulevard)IN · Sep 14, 2008 · 15.50 ft · Minor · its highest

May 3, 2019: 12.20 ft here, minor flooding

MunsterIN · May 2, 2019 · 14.24 ft · Moderate
South HollandIL · May 2, 2019 · 16.49 ft · Minor
Lake StationIN · May 3, 2019 · 13.54 ft · Minor

May 19, 2020: 11.91 ft here, minor flooding

MunsterIN · May 23, 2020 · 14.13 ft · Moderate

Gauges on the Little Calumet River

Flood gauges sharing the river's name, linked within 80 miles of one another.

Flood gauges on the Little Calumet River

Gary (Grant St) this gauge	IN	11.0	16.00 ft, Sep 14, 2008	0
Lake Station	IN	13.0	17.50 ft, Sep 14, 2008	1
Hammond (Indianapolis Boulevard)	IN	14.0	15.50 ft, Sep 14, 2008	0
Highland (Kennedy Avenue)	IN	15.0	17.50 ft, Sep 14, 2008	0
Munster (Northcote Avenue)	IN	18.0	20.00 ft, Sep 14, 2008	0
Munster	IN	12.0	17.29 ft, Sep 14, 2008	2
South Holland	IL	16.0	20.50 ft, Nov 28, 1990	5
Gary (Burr Street)	IN	11.0	14.50 ft, Sep 14, 2008	0

Other gauges in Lake County

Flood gauges in Lake County

Hobart	13.0	22.18 ft, Sep 15, 2008	1
Liverpool	17.5	23.00 ft, Sep 14, 2008	1
Merrillville	8.5	11.80 ft, Feb 21, 2018	0
Dyer	12.0	16.76 ft, Sep 14, 2008	4
Munster	6.0	10.93 ft, Feb 20, 2018	9
East Chicago (Lake Michigan outlet)	13.0	14.35 ft, Apr 30, 2020	0
Shelby	10.5	13.04 ft, Sep 18, 2008	4
Gary (Burr Street)	11.0	14.50 ft, Sep 14, 2008	0
Hammond (Indianapolis Boulevard)	14.0	15.50 ft, Sep 14, 2008	0
Highland (Kennedy Avenue)	15.0	17.50 ft, Sep 14, 2008	0
Munster	12.0	17.29 ft, Sep 14, 2008	2
Munster (Northcote Avenue)	18.0	20.00 ft, Sep 14, 2008	0
Lake Station	13.0	17.50 ft, Sep 14, 2008	1
Merrillville	11.0	17.50 ft, Sep 14, 2008	1
Schererville	7.5	11.00 ft, Sep 14, 2008	1

Lake County: every hazard · River floods across the country · Indiana

NOAA National Water Prediction Service, gauge GRGI3, retrieved October 30, 2026. Stages in feet on the gauge's own datum, not elevation. Crests are as the National Weather Service lists them; preliminary values may be revised.