USGS Surface Water for USA: Peak Streamflow

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Peak Streamflow for the Nation

USGS 15058700 GOVERNMENT C NR KETCHIKAN AK

Ketchikan Gateway Borough, Alaska

Hydrologic Unit Code 19010102

Latitude 55°20'34", Longitude 131°41'56" NAD27

Drainage area 1.90 square miles

Gage datum 50 feet above NGVD29

Water Year	Date	Gage Height (feet)	Stream- flow (cfs)
2010	2009-10-22	15.79	702
2011	2011-08-23	16.63	1,130
2012	2012-01-03	15.64	615
2013	2013-09-19	15.91	717
2014	2014-09-28	16.58	1,100
2015	2014-11-01	15.72	627
2016	2015-10-20	16.00	762
2017	2017-08-22	16.55	1,080
2018	2017-10-23	15.98	752
2019	2019-01-13	15.29	437
2020	2020-09-27	15.78	654

U.S. Department of the Interior | U.S. Geological Survey
Title: Surface Water for USA: Peak Streamflow
URL: https://nwis.waterdata.usgs.gov/nwis/peak?

Page Contact Information: USGS Water Data Support Team
Page Last Modified: 2025-07-08 05:47:09 EDT
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