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Virginia DEQ

Virginia Water Science Center

 
  Duration Plot and Table of Daily Groundwater Levels
 
385607077381101 49V 1
LOCATION.--Latitude 38°56'07", Longitude 77°38'11", North American Datum of 1927
                    Prince William County, Va., Hydrologic Unit 02070010.
WELL CHARACTERISTICS.--Well is located in Turkey Run Formation of Early Jurassic age. Depth 165 ft.
PERIOD OF RECORD.--Continual data, June 1979 to current year. Periodic data, November 1968 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 385607077381101 plot. 49V 1
Provisional Data Subject to Revision

                    

The current daily value for 03/22/2017 is 8.85 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


                385607077381101     49V 1

   Lowest Level
   5th percentile
 
   10th percentile
 
   25th percentile
 
 
   Median
 
 
   75th percentile
 
 
 
   90th percentile
 
 
 
   95th percentile
 
 
 
 
   Highest Level
         
Years of record
January
11.46
10.76
10.22
9.49
8.95
8.38
7.96
7.70
7.38
 
81
February
11.42
10.63
9.88
9.24
8.86
8.37
8.07
7.99
7.39
 
83
March
11.42
10.56
9.96
9.31
8.56
8.17
7.56
7.47
7.15
 
80
April
11.32
10.54
9.92
9.34
8.63
8.19
7.95
7.65
7.53
 
86
May
11.81
10.74
10.22
9.71
9.04
8.50
7.89
7.53
6.97
 
82
June
11.42
10.68
10.56
10.08
9.36
8.91
8.03
7.71
7.38
 
84
July
11.81
11.46
11.08
10.57
9.77
8.93
8.35
8.02
7.47
 
85
August
12.20
11.72
11.44
10.63
10.04
8.92
8.33
8.01
7.77
 
83
September
12.72
11.78
11.50
10.72
9.89
8.80
8.09
7.87
7.15
 
86
October
11.99
11.65
11.28
10.70
9.51
8.56
8.10
7.66
7.38
 
81
November
11.99
11.00
10.65
9.97
9.10
8.44
7.90
7.73
7.20
 
83
December
11.05
10.60
10.07
9.44
8.90
8.31
7.75
7.40
6.97
 
82
 
       
Instantaneous lowest water level for period of record = 15.38 feet below land surface.

The current daily value for 03/22/2017 is 8.85 feet below land surface.

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

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