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Peak Streamflow for the Nation

USGS 06480702 BIG SIOUX RIVER AT EGAN, SD

Moody County, South Dakota
Hydrologic Unit Code 10170203
Latitude  43°59'54", Longitude  96°38'19" NAD27
Drainage area 3,654  square miles
Contributing drainage area 2,785  square miles
Gage datum 1,502.09 feet above NAVD88
Output formats
Table
Graph
Tab-separated file
peakfq (watstore) format
Reselect output format
Water
Year		 Date Gage
Height
(feet)		 Stream-
flow
(cfs)
2008 2008-06-12 10.85 2,8002
2009 2009-03-29   3,5002
2010 2010-09-25 18.741 17,5002
2011 2011-03-24 18.20 13,500
2012 2012-05-07 16.52 8,040
2013 2013-07-01 11.31 2,780
2014 2014-06-18 9.172 1,760
2015 2015-07-06 9.38 1,780
2016 2016-02-28 8.661 1,030
2017 2017-05-25 9.692 2,080
2018 2018-04-25 16.54 7,600
2019 2019-09-13 20.431 20,200
2020 2020-03-13 13.89 4,630
2021 2021-04-12 10.051 1,4002
2022 2022-05-13 10.45 2,450
2023 2023-04-15 13.162 4,520
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  Peak Gage-Height Qualification Codes.
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  Peak Streamflow Qualification Codes.