Grand Calumet River at Columbia Av at Hammond, IN
Is Grand Calumet River at Columbia Av at Hammond, IN flooding right now?
Grand Calumet River at Columbia Av at Hammond, IN measured 5.67 ft on 2026-11-11 16:00:00 UTC. That observation was 3.8 ft below its 9.5 ft flood stage. This is the latest available reading, not a guarantee of current conditions.
Gauge height
5.67 ft
Streamflow
23 cfs
Minor flooding here begins at 9.5 ft, with major flooding at 13 ft. The highest crest on record was 9.32 ft on Sat, Dec 12, 2020.
Flood stages at this gauge
| Category | Stage | Current distance |
|---|---|---|
| Action | 8 ft | 2.3 ft below |
| Minor flood | 9.5 ft | 3.8 ft below |
| Moderate flood | 12 ft | 6.3 ft below |
| Major flood | 13 ft | 7.3 ft below |
Highest crests on record
| Stage | Date |
|---|---|
| 9.32 ft | 2020-12-12 |
Nearby gauges
| Gauge | Distance | County |
|---|---|---|
| Grand Calumet River at Hohman Av at Hammond, IN | 1.0 mi | Lake County |
| Little Calumet River at Munster, IN | 3.1 mi | Lake County |
| Little Calumet River at Northcote Av at Munster, IN | 3.7 mi | Lake County |
| Little Calumet River near Hammond, IN | 3.7 mi | Lake County |
| Little Calumet River at Highland, IN | 3.9 mi | Lake County |
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Provisional data: Real-time readings are provisional and subject to revision by the USGS — sensors can be affected by ice, debris, or equipment malfunction. Do not rely on this site for decisions involving personal safety; follow official guidance from the National Weather Service and local authorities.