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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 05484690 Walnut Creek at Dallas-Polk Co Line nr Grimes, IA
Dallas County, Iowa
Hydrologic Unit Code 07100006
Latitude  41°37'44.9", Longitude  93°48'51.8" NAD27
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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)
41952-07-01 11:00CSTYesDEJUSGS1308.00-0.010.50Poor NONE1Imported Channel 1BRUSunspeunkno13038.071.51.82UNSPUNSPUNSPunknUNSPUNSPUNSP
31952-06-28 07:35CSTYesWJR/HHSUSGS2899.55-0.020.40Fair NONE1Imported Channel 1BRUSunspeunkno28943.01332.17UNSPUNSPUNSPunknUNSPUNSPUNSP
21952-06-27 10:55CSTYesWJR/HHSUSGS129013.31-0.060.30GoodClearNONE1Imported Channel 1CRANunspeunkno129063.03863.32UNSPUNSPUNSPunknUNSPUNSPUNSP
11952-06-20 12:25CSTYesDEJ/HHSUSGS51210.83-0.580.50FairClearNONE1Imported Channel 1BRUSunspeunkno51251.01982.60UNSPUNSPUNSPunknUNSPUNSPUNSP