Old browser warning

Site look funky?  Your browser is so old standards-based layouts and styling confuse it.  Consider updating.  One excellent option is Mozilla Firefox, versions of which are available for Linux, Mac and Windows.

CALUMET R BLW OBRIEN LOCK AND DAM AT CHICAGO, IL [ IL ]

Current Conditions

Stage Flow Updated
-1.66 2/22 8:00

Linked Reaches

Search Results

Level Legend: Running Below Minimum Recommended Flow Above Maximum Recommended Flow Unknown
Descriptions of reaches with River Name in bold have been verified by a regional StreamTeam member.

State River Name/Section Class Level Rel. Level Updated

Station Description

AW Gauge ID:7978
USGS Station:05536358
HUC:07120003
Latitude:41.6481
Longitude:-87.5639
Class: