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Streamflow Measurements for the Nation


USGS 05587498 Mississippi River Pool Lock and Dam 26 at Alton,IL
Madison County, Illinois
Hydrologic Unit Code 07110009
Latitude  38°53'14.3", Longitude  90°11'02.4" NAD83
Gage datum 399.66 feet above NAVD88
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)
142024-04-02 09:57:57CDTYesHE/kb/jsUSGS13500018.850.010.27GoodClearNONE1mainMBOTQADCPVADCP1350002550719001.88SOFTSANDUNEVSTDYUNEVUNKNDNST6100.00
132024-03-05 12:58:21CSTYesJAH KRBUSGS6720019.130.000.25Fair NONE1mainMBOTQADCPVADCP672002550730000.92SOFTSANDUNEVSTDYEVENUNKNDNST6100.00
122024-02-14 10:06:23CSTYesJAHUSGS11600018.230.000.25Good NONE1mainMBOTQADCPVADCP1160002550697001.67SOFTSANDUNEVSTDYUNEVUNKNDNST6100.00
112023-12-19 05:42:22CSTYesJAHUSGS4710019.420.000.22Good NONE1mainMBOTQADCPVADCP471002570731000.64SOFTSANDUNEVSTDYEVENUNKNDNST6100.00
102023-11-07 14:24:55CSTYesRDUSGS6590019.50-0.030.40GoodClearNONE1mainMBOTQADCPVADCP659002560737000.89SOFTSANDUNEVSTDYUNEVUNKNDNST6000.00
92023-10-03 10:28:01CDTYesHE/KB/JSUSGS4530019.360.000.40GoodClearNONE1mainMBOTQADCPVADCP453002530723000.63SOFTSANDUNEVSTDYUNEVUNKNDNST6100.00
82023-08-09 10:12:07CDTYesKB JS JCUSGS4050019.210.010.20FairClearNONE1mainMBOTQADCPVADCP405002540719000.56SOFTSANDUNEVSTDYEVENUNKNDNST6100.00
72023-07-26 11:27:51CDTYesJJSUSGS4170019.190.000.20Good NONE1mainMBOTQADCPVADCP417002500710000.59SOFTSANDUNEVSTDYEVENUNKNDNST6100.00
62023-06-27 04:43:40CDTYesjs/kb/jsUSGS4940018.530.000.38FairUnspecifedNONE1mainMBOTQADCPVADCP494002560703000.70SOFTSANDUNEVSTDYUNEVUNKNDNST6100.00
52023-05-24 10:31:49CDTYesER / KBUSGS23400014.180.020.48GoodClearNONE1mainMBOTQADCPVADCP2340002460591003.96SOFTSANDUNEVPULSUNEVUNKNDNST6300.00
42023-05-10 11:07:01CDTYesKB/JS/SSUSGS30700014.940.020.57GoodClearNONE1mainMBOTQADCPVADCP3070002470619004.96SOFTSANDUNEVPULSUNEVUNKNDNST6000.00
32023-04-25 11:32:08CDTYesHEUSGS21900014.340.040.47GoodClearNONE1mainMBOTQADCPVADCP2190002440627003.50SOFTSANDUNEVPULSUNEVUNKNDNST6300.00
22023-04-04 11:15:10CDTYesHEUSGS16900015.820.010.42GoodClearNONE1mainMBOTQADCPVADCP1690002510676002.50SOFTSANDUNEVPULSUNEVUNKNDNST6300.00
12023-03-08 19:21:29CSTYesHE/KB/JSUSGS19900014.480.000.52FairClearNONE1mainMBOTQADCPVADCP1990002050438004.54SOFTSANDUNEVPULSUNEVUNKNUPST255.00