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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 414406087524601 CHICAGO SAN & SHP CA AB BD AT WILLOW SPRINGS, IL
Cook County, Illinois
Hydrologic Unit Code 07120004
Latitude  41°44'06", Longitude  87°52'46" NAD27
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 		 Channel
Number		 Channel
Name		 Meas.
type 		 Stream
flow
method 		 Velocity
method 		 Channel
flow
(ft3/s)		 Channel
width
(ft)		 Channel
area
(ft2)		 Channel
vel.
(ft/s)		 Channel
stability 		 Channel
material 		 Channel
evenness 		 Long.
vel.
desc. 		 Horz.
vel.
desc. 		 Vert.
vel.
desc. 		 Channel
loc.
code 		 Channel
loc.
dist.(ft)
261961-05-21 -- ----YesRLSUSGS3330 -0.091.00GoodClearNONE1Imported Channel 1CRANunspeunkno333016238200.87UNSPUNSPUNSPunknUNSPUNSPUNSP
251961-05-20 -- ----YesRLSUSGS3570 0.001.00GoodClearNONE1Imported Channel 1CRANunspeunkno357016238200.93UNSPUNSPUNSPunknUNSPUNSPUNSP
241961-05-19 -- ----YesRLSUSGS3550 -0.031.10GoodClearNONE1Imported Channel 1CRANunspeunkno355016238000.93UNSPUNSPUNSPunknUNSPUNSPUNSP
231961-05-18 -- ----YesRLSUSGS2560 -0.011.00GoodClearNONE1Imported Channel 1CRANunspeunkno256016238400.67UNSPUNSPUNSPunknUNSPUNSPUNSP
221961-05-17 -- ----YesRLSUSGS3530 -0.011.00GoodClearNONE1Imported Channel 1CRANunspeunkno353016238000.93UNSPUNSPUNSPunknUNSPUNSPUNSP
211961-05-16 -- ----YesRLSUSGS3820 0.001.00GoodClearNONE1Imported Channel 1CRANunspeunkno382016238201.00UNSPUNSPUNSPunknUNSPUNSPUNSP
201961-05-15 -- ----YesRLSUSGS3230 0.091.20GoodClearNONE1Imported Channel 1CRANunspeunkno323016237800.86UNSPUNSPUNSPunknUNSPUNSPUNSP
191961-05-14 -- ----YesLGBUSGS3800 0.100.80GoodClearNONE1Imported Channel 1CRANunspeunkno380016238501.03UNSPUNSPUNSPunknUNSPUNSPUNSP
181961-05-13 -- ----YesLGBUSGS3060 -0.040.80GoodClearNONE1Imported Channel 1CRANunspeunkno306016238200.80UNSPUNSPUNSPunknUNSPUNSPUNSP
171961-05-12 -- ----YesLGBUSGS3280 -0.061.00GoodClearNONE1Imported Channel 1CRANunspeunkno328016238400.85UNSPUNSPUNSPunknUNSPUNSPUNSP
161961-05-11 -- ----YesLGBUSGS3860 0.060.90GoodClearNONE1Imported Channel 1CRANunspeunkno386016238301.01UNSPUNSPUNSPunknUNSPUNSPUNSP
151961-05-10 -- ----YesLGBUSGS2850 0.061.20GoodClearNONE1Imported Channel 1CRANunspeunkno285016238300.74UNSPUNSPUNSPunknUNSPUNSPUNSP
141961-05-09 -- ----YesLGBUSGS3830 0.140.90GoodClearNONE1Imported Channel 1CRANunspeunkno383016238101.01UNSPUNSPUNSPunknUNSPUNSPUNSP
131961-05-08 -- ----YesLGBUSGS4320 -0.051.00GoodClearNONE1Imported Channel 1CRANunspeunkno432016238201.14UNSPUNSPUNSPunknUNSPUNSPUNSP
121961-05-05 -- ----YesVDHUSGS2910 -0.101.00GoodClearNONE1Imported Channel 1CRANunspeunkno291016238000.64UNSPUNSPUNSPunknUNSPUNSPUNSP
111961-05-04 -- ----YesVDHUSGS3100 0.041.00GoodClearNONE1Imported Channel 1CRANunspeunkno310016238200.81UNSPUNSPUNSPunknUNSPUNSPUNSP
101961-05-03 -- ----YesVDHUSGS3390 -0.060.90GoodClearNONE1Imported Channel 1CRANunspeunkno339016238200.89UNSPUNSPUNSPunknUNSPUNSPUNSP
91961-05-02 -- ----YesVDHUSGS3380 0.014.00GoodClearNONE1Imported Channel 1CRANunspeunkno338016238000.89UNSPUNSPUNSPunknUNSPUNSPUNSP
81961-05-01 -- ----YesVDHUSGS3540 0.041.10GoodClearNONE1Imported Channel 1CRANunspeunkno354016238300.92UNSPUNSPUNSPunknUNSPUNSPUNSP
71961-04-30 -- ----YesVDHUSGS3300 -0.081.00GoodClearNONE1Imported Channel 1CRANunspeunkno330016238100.87UNSPUNSPUNSPunknUNSPUNSPUNSP
61961-04-29 -- ----YesVDHUSGS3340 0.120.80GoodClearNONE1Imported Channel 1CRANunspeunkno334016237800.88UNSPUNSPUNSPunknUNSPUNSPUNSP
51961-04-28 -- ----YesVDHUSGS3490 -0.071.20GoodClearNONE1Imported Channel 1CRANunspeunkno349016238500.91UNSPUNSPUNSPunknUNSPUNSPUNSP
41961-04-27 -- ----YesVDHUSGS3150 -0.101.50GoodClearNONE1Imported Channel 1CRANunspeunkno315016238800.81UNSPUNSPUNSPunknUNSPUNSPUNSP
31961-04-26 -- ----YesVDHUSGS2620 0.041.70GoodClearNONE1Imported Channel 1CRANunspeunkno262016238300.68UNSPUNSPUNSPunknUNSPUNSPUNSP
21961-04-25 -- ----YesVDHUSGS2710 -0.201.20GoodClearNONE1Imported Channel 1CRANunspeunkno271016239000.69UNSPUNSPUNSPunknUNSPUNSPUNSP
11961-04-24 -- ----YesVDHUSGS3040 0.081.30GoodClearNONE1Imported Channel 1CRANunspeunkno304016238100.80UNSPUNSPUNSPunknUNSPUNSPUNSP