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* IMPORTANT: Next Generation Station Page

USGS 01654500 LONG BRANCH NEAR ANNANDALE, VA

PROVISIONAL DATA SUBJECT TO REVISION

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Station operated in cooperation with Fairfax County, Virginia

NOTE: During storm events, backwater effects on stage and discharge determinations at this station are likely. Streamflow data displayed on this page may be significantly different from actual values during these events. Adjustment of data for backwater effects can only be done after detailed analysis. Users are encouraged to contact this office for more information.
This station managed by the Richmond Field Office.

Available Parameters Available Period
All 10 Available Parameters for this site
   
00010 Temperature, water 2013-02-08  2019-07-17
00060 Discharge 2013-02-08  2019-07-17
00065 Gage height 2013-02-07  2019-07-17
00095 Specific cond at 25C 2013-02-08  2019-07-17
00300 Dissolved oxygen 2013-02-08  2019-07-17
00400 pH 2013-02-08  2019-07-17
63680 Turbidity, Form Neph [YSI 6136] 2013-02-08  2017-08-31
63680 Turbidity, Form Neph [YSI EXO] 2017-08-31  2019-07-17
72254 Sensor velocity [Sontek Avg X vel] 2019-03-19  2019-07-02
99234 Autosampler count 2019-03-19  2019-07-17

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Summary of all available data for this site
Instantaneous-data availability statement

Discharge, cubic feet per second
Most recent instantaneous value: 1.74 07-17-2019   11:55 EDT
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Daily discharge, cubic feet per second -- statistics for Jul 17 based on 15 water years of record more
Min
(2017)		 25th
percen-
tile		 Median Most Recent
Instantaneous
Value Jul 17		 75th
percen-
tile		 Mean Max
(2018)
0.23 0.67 1.7 1.74 2.1 6.4 41.3

Gage height, feet
Most recent instantaneous value: 2.58 07-17-2019   11:55 EDT
Graph of Gage height, feet

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