Calumet Sag Channel at Blue Island, IL
Current readings are unavailable. Current flood status cannot be determined. Official flood thresholds remain available below. Check the linked USGS and NWS sources for the latest information.
Gauge height
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Streamflow
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Minor flooding here begins at 30.5 ft, with major flooding at 38 ft.
Flood stages at this gauge
| Category | Stage | Current distance |
|---|---|---|
| Action | 30 ft | — |
| Minor flood | 30.5 ft | — |
| Moderate flood | 35 ft | — |
| Major flood | 38 ft | — |
Nearby gauges
| Gauge | Distance | County |
|---|---|---|
| Little Calumet River at Calumet Park, IL | 1.5 mi | Cook County |
| Calumet Union Drainage Canal near Markham, IL | 3.9 mi | Cook County |
| Natalie Creek at Midlothian, IL | 3.9 mi | Cook County |
| Midlothian Creek at Oak Forest, IL | 4.1 mi | Cook County |
| Little Calumet River at South Holland, IL | 4.9 mi | Cook 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.