USGS - science for a changing world
Virginia DEQ

Virginia Water Science Center

 
  Duration Plot and Table of Daily Groundwater Levels
 
385638077220101 52V 2D
LOCATION.--Latitude 38°56'58", Longitude 77°22'01", North American Datum of 1927
                    Fairfax County, Va., Hydrologic Unit 02070010.
WELL CHARACTERISTICS.--Well is located in Manassas Sandstone of Triassic age. Depth 205 ft.
PERIOD OF RECORD.--Continual data, October 1995 to current year. Periodic data, October 1976 to current year.
DURATION STATISTIC COMPUTATION PERIOD.--All continual data through September 2015, all approved periodic data.
EXTERNAL INFLUENCE.--No known external influences.
GAGE OPERATION.--U.S. Geological Survey, Virginia Water Science Center.
     Duration Plot with Daily Groundwater Level Conditions
Provisional Data Subject to Revision 385638077220101 plot. 52V 2D
Provisional Data Subject to Revision

                    

The current daily value for 03/22/2017 is 14.81 feet below land surface.

  explanation   Percentile Description Duration Plot Description 28 Day 14 Day 7 Day Daily
      Duration Table of Daily Groundwater Levels
            Maximum depth below land surface, in feet


                385638077220101     52V 2D

   Lowest Level
   5th percentile
 
   10th percentile
 
   25th percentile
 
 
   Median
 
 
   75th percentile
 
 
 
   90th percentile
 
 
 
   95th percentile
 
 
 
 
   Highest Level
         
Years of record
January
24.50
17.04
15.96
14.77
13.22
11.14
10.11
9.66
8.73
 
80
February
23.29
16.22
15.54
14.28
12.49
11.15
9.97
9.71
8.87
 
77
March
22.05
15.75
15.26
14.34
11.81
10.36
9.11
8.69
8.06
 
81
April
24.50
16.95
15.87
13.37
11.53
9.89
9.02
8.66
8.10
 
80
May
17.54
16.55
15.28
13.25
11.94
10.49
9.38
9.10
8.85
 
82
June
24.50
15.90
15.22
14.17
12.97
11.99
10.82
9.53
8.10
 
82
July
16.12
15.88
15.52
14.70
13.72
12.54
10.37
9.50
8.55
 
81
August
19.82
17.07
16.67
15.46
14.26
12.33
11.17
9.74
9.13
 
80
September
22.41
17.45
16.90
15.96
14.79
12.26
10.27
9.85
8.66
 
81
October
23.50
17.59
16.95
16.00
14.82
11.82
9.59
8.95
8.31
 
79
November
24.31
17.23
16.37
15.65
14.57
12.54
10.92
9.54
8.06
 
80
December
24.74
16.19
15.99
14.88
13.61
11.92
10.57
9.54
8.69
 
79
 
       
Instantaneous lowest water level for period of record = 24.92 feet below land surface.

The current daily value for 03/22/2017 is 14.81 feet below land surface.

---- Provisional Data Subject to Revision ----

Accessibility FOIA Privacy Policies and Notices

Take Pride in America logo USA.gov logo U.S. Department of the Interior | U.S. Geological Survey
URL: http://va.water.usgs.gov/duration_plots/daily/dp385638077220101.htm
Page Contact Information: Virginia WSC Webmaster
Page Last Modified: 6/19/2016