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Streamflow Measurements for the Nation


USGS 05463100 Black Hawk Creek near Grundy Center, IA


Grundy County, Iowa
Hydrologic Unit Code 07080205
Latitude  42°21'43", Longitude  92°43'45" NAD27
Drainage area 71.0  square miles
Gage datum 950 feet above NGVD29
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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)
131976-09-10 12:35CDTYesPJDUSGS4.17 GoodClearNONE1Imported Channel 1WADEunspeunkno4.1718.05.570.75UNSPUNSPUNSPunknUNSPUNSPUNSP
121975-08-05 16:00CDTYesDDHUSGS8.0720.50 FairClearNONE1Imported Channel 1WADEunspeunkno8.0716.010.90.74UNSPUNSPUNSPunknUNSPUNSPUNSP
111973-09-07 15:10CDTYesARCUSGS13.520.04 GoodClearNONE1Imported Channel 1WADEunspeunkno13.520.010.41.30UNSPUNSPUNSPunknUNSPUNSPUNSP
101971-09-02 10:00CDTYesJHHUSGS4.0020.840.000.20GoodClearNONE1Imported Channel 1WADEunspeunkno4.0012.04.680.85UNSPUNSPUNSPunknUNSPUNSPUNSP
91970-07-07 16:35CDTYesLEBUSGS10.220.620.000.30GoodClearNONE1Imported Channel 1WADEunspeunkno10.212.010.21.00UNSPUNSPUNSPunknUNSPUNSPUNSP
81966-09-08 09:10CSTYesDERUSGS11.720.35 GoodClearNONE1Imported Channel 1WADEunspeunkno11.717.014.10.00UNSPUNSPUNSPunknUNSPUNSPUNSP
71964-08-19 13:35CSTYesDHAUSGS3.2320.24 GoodClearNONE1Imported Channel 1WADEunspeunkno3.2311.33.081.05UNSPUNSPUNSPunknUNSPUNSPUNSP
61961-08-31 08:10CSTYesDERUSGS6.5319.930.00 GoodClearNONE1Imported Channel 1WADEunspeunkno6.5317.57.340.89UNSPUNSPUNSPunknUNSPUNSPUNSP
51960-10-05 -- ----Yes?SUSGS10.719.95 Good NONE1Imported Channel 1WADEunspeunkno10.720.58.801.22UNSPUNSPUNSPunknUNSPUNSPUNSP
41959-05-14 15:30CSTYesSMUSGS28.3 GoodClearNONE1Imported Channel 1WADEunspeunkno28.330.021.61.31UNSPUNSPUNSPunknUNSPUNSPUNSP
31958-10-20 15:40CSTYesTSJUSGS9.5919.870.000.80GoodDebrisLightNONE1Imported Channel 1WADEunspeunkno9.5924.09.700.99UNSPUNSPUNSPunknUNSPUNSPUNSP
21958-05-08 08:50CSTYesDERUSGS15.519.67 Unspecified NONE1Imported Channel 1WADEunspeunkno15.526.015.01.03UNSPUNSPUNSPunknUNSPUNSPUNSP
11957-09-24 14:15CSTYesSUSGS8.4919.900.000.60GoodClearNONE1Imported Channel 1WADEunspeunkno8.4912.07.951.07UNSPUNSPUNSPunknUNSPUNSPUNSP