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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 06807420 Graybill Creek near Macedonia, IA
Pottawattamie County, Iowa
Hydrologic Unit Code 10240002
Latitude  41°10'42", Longitude  95°23'09" NAD27
Drainage area 52.1  square miles
Gage datum 1,050 feet above NGVD29
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)
131975-09-26 11:15CDTYesMESUSGS6.7232.87 GoodClearNONE1Imported Channel 1WADEunspeunkno6.7214.87.220.93UNSPUNSPUNSPunknUNSPUNSPUNSP
121971-08-31 11:00CDTYesOJKUSGS1.61-32.67 GoodClearNONE1Imported Channel 1CRANunspeunkno1.615.201.880.86UNSPUNSPUNSPunknUNSPUNSPUNSP
111968-06-18 10:20CSTYesFELUSGS1.5433.02 FairClearNONE1Imported Channel 1WADEunspeunkno1.547.001.441.07UNSPUNSPUNSPunknUNSPUNSPUNSP
101967-05-23 11:00CSTYesFELUSGS1.8032.94 FairClearNONE1Imported Channel 1WADEunspeunkno1.8011.02.760.65UNSPUNSPUNSPunknUNSPUNSPUNSP
91966-08-30 13:45CSTYesARC/OJKUSGS5.64-32.79 GoodClearNONE1Imported Channel 1WADEunspeunkno5.6415.05.421.04UNSPUNSPUNSPunknUNSPUNSPUNSP
81964-10-27 12:45CSTYesRDBUSGS6.8432.74 UnspecifiedClearNONE1Imported Channel 1WADEunspeunkno6.8417.08.560.80UNSPUNSPUNSPunknUNSPUNSPUNSP
71963-11-06 10:35CSTYesOJRUSGS2.12-32.69 GoodClearNONE1Imported Channel 1WADEunspeunkno2.1210.52.250.94UNSPUNSPUNSPunknUNSPUNSPUNSP
61961-09-01 09:20CSTYesOJRUSGS5.71-32.52 GoodClearNONE1Imported Channel 1WADEunspeunkno5.7121.05.371.06UNSPUNSPUNSPunknUNSPUNSPUNSP
51960-09-16 07:55CSTYesOJRUSGS13.6-32.32 UnspecifiedClearNONE1Imported Channel 1WADEunspeunkno13.627.09.981.36UNSPUNSPUNSPunknUNSPUNSPUNSP
41959-10-20 11:45CSTYesRDBUSGS11.732.380.000.30FairClearNONE1Imported Channel 1WADEunspeunkno11.712.06.141.91UNSPUNSPUNSPunknUNSPUNSPUNSP
31958-10-10 12:45CSTYesEDSUSGS11.1-32.35 GoodClearNONE1Imported Channel 1WADEunspeunkno11.119.010.11.10UNSPUNSPUNSPunknUNSPUNSPUNSP
21958-05-15 12:15CSTYesGGPUSGS6.3932.400.000.30UnspecifiedClearNONE1Imported Channel 1WADEunspeunkno6.3911.04.541.41UNSPUNSPUNSPunknUNSPUNSPUNSP
11957-09-26 06:20CSTYesCWSUSGS3.3232.590.000.50FairClearNONE1Imported Channel 1UNSPother 3.32 UNSPUNSPUNSPunknUNSPUNSPUNSP