USGS Surface Water for USA: Peak Streamflow

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Peak Streamflow for the Nation

USGS 01646305 DEAD RUN AT WHANN AVENUE NEAR MCLEAN, VA

Fairfax County, Virginia

Hydrologic Unit Code 02070008

Latitude 38°57'34.8", Longitude 77°10'33.5" NAD27

Drainage area 2.05 square miles

Gage datum 177.18 feet above NAVD88

Water Year	Date	Gage Height (feet)	Stream- flow (cfs)
2009	2009-06-03	5.65	491
2010	2010-08-18	7.42	1,630
2011	2011-09-08	6.85	1,170
2012	2012-07-10	6.01	675
2013	2013-07-12	5.18	421
2014	2014-04-30	6.31	972
2015	2015-06-14	5.31	689
2016	2016-02-24	5.42	743
2017	2017-05-05	4.93	592
2018	2018-04-16	5.63	816^C
2019	2019-07-08	8.18	4,410^2,C
2020	2020-01-25	5.33	469^C
2021	2021-09-01	7.20	1,650^C
2022	2022-05-22	6.55	1,020^C
2023	2023-06-23	6.23	848^C
2024	2024-08-09	4.88	354^C

Peak Streamflow Qualification Codes.

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: 2025-04-22 20:49:26 EDT
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