USGS - science for a changing world
Virginia DEQ

Virginia Water Science Center

 
  Duration Plot and Table of Daily Groundwater Levels
 
383423077245901 51S 7
LOCATION.--Latitude 38°34'23", Longitude 77°24'59", North American Datum of 1927
                    Prince William County, Va., Hydrologic Unit 02070011.
WELL CHARACTERISTICS.--Well is located in Lunga Reservoir Formation of Cambrian age. Depth 490 ft.
PERIOD OF RECORD.--Continual data, August 1984 to current year. Periodic data, September 1973 to November 1975, December 1977 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 383423077245901 plot. 51S 7
Provisional Data Subject to Revision

                    

The current daily value for 03/22/2017 is 6.38 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


                383423077245901     51S 7

   Lowest Level
   5th percentile
 
   10th percentile
 
   25th percentile
 
 
   Median
 
 
   75th percentile
 
 
 
   90th percentile
 
 
 
   95th percentile
 
 
 
 
   Highest Level
         
Years of record
January
14.56
11.75
11.02
7.02
4.39
3.12
1.95
1.63
0.29
 
67
February
10.95
10.24
9.29
7.06
4.59
3.27
2.23
1.55
0.82
 
61
March
12.96
9.25
8.45
6.70
4.26
3.06
1.99
1.19
0.29
 
69
April
12.27
10.20
8.40
5.82
3.67
2.28
1.17
0.51
0.14
 
72
May
12.43
11.09
8.94
5.40
4.01
2.78
2.50
2.05
1.52
 
63
June
13.19
11.25
10.00
6.88
5.03
3.57
2.50
1.84
1.15
 
72
July
14.56
12.57
9.53
7.81
5.67
4.15
2.12
1.71
0.43
 
63
August
15.77
11.91
11.24
9.45
6.89
4.63
2.87
1.73
0.14
 
64
September
16.41
11.92
11.48
9.88
6.67
3.53
2.40
1.84
0.14
 
71
October
16.88
12.83
12.26
10.07
6.93
4.53
2.19
1.28
0.27
 
66
November
15.75
12.43
12.28
8.97
6.46
4.39
2.59
2.37
1.15
 
62
December
14.43
12.20
11.47
7.81
5.40
3.60
2.19
0.86
0.35
 
68
 
       
Instantaneous lowest water level for period of record = 16.88 feet below land surface.

The current daily value for 03/22/2017 is 6.38 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/dp383423077245901.htm
Page Contact Information: Virginia WSC Webmaster
Page Last Modified: 6/19/2016