USGS Surface Water for USA: Peak Streamflow

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Peak Streamflow for the Nation

USGS 11459150 PETALUMA R A COPLAND PUMPING STATION A PETALUMA CA

Sonoma County, California

Hydrologic Unit Code 18050002

Latitude 38°14'18", Longitude 122°38'21" NAD27

Drainage area 45.4 square miles

Gage datum 0 feet above NGVD29

Water Year	Date	Gage Height (feet)	Stream- flow (cfs)
1999	1999-02-07	6.04¹	2,730^C
2000	2000-02-13	5.67¹	2,890^C
2001	2001-03-04		284^1,2,C
2002	2002-01-02	5.18²	2,740^C
2003	2002-12-16	5.90¹	4,920^C
2004	2004-02-16	3.23²	3,620^C
2005	2004-12-27	5.84²	2,380^C
2006	2005-12-31	8.97²	9,620^C
2007	2007-02-10	-0.42²	722^C
2008	2008-01-26	6.39²	6,010^C
2010	2010-01-20	4.55²	1,990^C
2011	2011-03-20	6.28²	3,290^C
2012	2012-01-23	0.35²	967^C
2013	2012-12-23	5.56²	2,510^C
2014	2014-02-09	1.55²	1,610^C
2015	2014-12-11	3.91²	3,220^C
2016	2016-03-10	4.84²	2,280^C

Peak Gage-Height Qualification Codes.

Peak Streamflow Qualification Codes.

1 -- Discharge is a Maximum Daily Average
2 -- Discharge is an Estimate
C -- All or part of the record affected by Urbanization, Mining, Agricultural changes, Channelization, or other

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: 2024-05-10 14:19:24 EDT
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