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Virginia DEQ

Virginia Water Science Center

 
  Duration Plot and Table of Daily Groundwater Levels
 
370812080261901 27F 2 SOW 019
LOCATION.--Latitude 37°08'12", Longitude 80°26'19", North American Datum of 1927
                    Montgomery County, Va., Hydrologic Unit 05050001.
WELL CHARACTERISTICS.--Well is located in Elbrook Foramtion of Middle to Upper Cambrian age. Depth 450 ft.
PERIOD OF RECORD.--Continual data, October 2003 to current year. Periodic data, July 1953 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.--Virginia Department of Environmental Quality - Water Division.
     Duration Plot with Daily Groundwater Level Conditions
Provisional Data Subject to Revision 370812080261901 plot. 27F 2
Provisional Data Subject to Revision

                    

The current daily value for 03/22/2017 is 3.82 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


                370812080261901     27F 2

   Lowest Level
   5th percentile
 
   10th percentile
 
   25th percentile
 
 
   Median
 
 
   75th percentile
 
 
 
   90th percentile
 
 
 
   95th percentile
 
 
 
 
   Highest Level
         
Years of record
January
6.52
6.17
5.90
5.19
3.74
2.92
2.40
1.54
1.15
 
88
February
6.50
6.08
5.76
5.06
3.57
2.74
1.98
1.61
0.91
 
90
March
6.52
5.77
5.46
4.71
3.46
2.66
2.20
1.64
1.15
 
88
April
6.52
6.10
5.43
4.92
3.66
2.92
2.02
1.68
1.15
 
91
May
6.68
6.40
5.72
4.98
3.66
2.85
2.27
1.74
0.91
 
89
June
6.71
5.87
5.53
5.10
4.37
3.11
2.60
1.72
0.91
 
90
July
6.68
6.19
5.86
5.39
4.74
3.49
2.44
1.97
1.27
 
92
August
6.89
6.44
5.99
5.50
4.97
3.66
2.75
1.95
1.58
 
90
September
6.71
6.37
6.19
5.75
5.06
3.75
2.78
2.48
1.61
 
90
October
6.99
6.79
6.51
5.66
4.92
3.48
2.57
1.79
1.58
 
87
November
7.07
6.58
6.09
5.53
4.42
3.48
2.92
2.67
1.95
 
87
December
7.06
6.47
6.09
5.35
4.03
3.25
2.43
2.10
1.28
 
88
 
       
Instantaneous lowest water level for period of record = 7.30 feet below land surface.

The current daily value for 03/22/2017 is 3.82 feet below land surface.

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

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