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Streamflow Measurements for the Nation


USGS 05463090 Black Hawk Creek at Grundy Center, IA


Grundy County, Iowa
Hydrologic Unit Code 07080205
Latitude  42°22'10", Longitude  92°46'05" NAD27
Drainage area 56.9  square miles
Gage datum 970 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
 
51983-05-19 -- ----YesPJSUSGS149087.10-0.141.00FairClearNONE
41972-06-14 -- ----YesJHUSGS40984.490.080.50Good NONE
31971-06-17 -- ----YesJHUSGS29.879.880.000.30UnspecifiedClearNONE
21969-07-09 23:00CSTYesCSUSGS26783.56-0.060.60FairClearNONE
11969-07-07 23:00CSTYesJHUSGS679089.420.150.80GoodDebrisHeavyNONE