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Streamflow Measurements for the Nation

! Streamflow measurement pages will be decommissioned in early 2026. Please find the modernized pages in WDFN that suit you best. Learn more about our modernization plans and timeline and new pages.

USGS 05536150 CHICAGO SAN & SHIP CANAL AT WILLOW SPRINGS, IL
Cook County, Illinois
Hydrologic Unit Code 07120004
Latitude  41°44'03", Longitude  87°52'48" NAD27
Drainage area 341.00  square miles
Output formats
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Meas.
Number		   Date       Time Time
Datum		 Measurement
Used?		   Who Measuring
Agency		 Stream
flow
(ft3/s)		 Gage
Height
(ft)		 GH
Change
(ft)		 Meas.
Duration
(hr)		 Meas.
Rated		   Control Flow
Adjust.
Code 
261961-05-21 13:20CSTYesRLSUSGS333024.18-0.091.00Good NONE
251961-05-20 09:25CSTYesRLSUSGS357024.200.001.00Good NONE
241961-05-19 09:35CSTYesRLSUSGS355024.03-0.031.10Good NONE
231961-05-18 09:05CSTYesRLSUSGS256024.26-0.011.00Good NONE
221961-05-17 09:40CSTYesRLSUSGS353024.02-0.011.00Good NONE
211961-05-16 08:50CSTYesRLSUSGS382024.270.001.00Good NONE
201961-05-15 10:20CSTYesRLSUSGS323024.000.09 Good NONE
191961-05-14 14:10CSTYesLGBUSGS380024.120.100.80Good NONE
181961-05-13 11:10CSTYesLGBUSGS306024.25-0.040.80Good NONE
171961-05-12 09:25CSTYesLGBUSGS328024.18-0.061.00GoodClearNONE
161961-05-11 11:00CSTYesLGBUSGS386024.200.060.90GoodClearNONE
151961-05-10 14:30CSTYesLGBUSGS285024.270.061.20GoodClearNONE
141961-05-09 13:55CSTYesLGBUSGS383024.04-0.050.90GoodClearNONE