Latitude 39°15'42", Longitude 77°42'38" NAD27 Loudoun County, Virginia, Hydrologic Unit 02070008
Land surface altitude: 1,062.24feet above sea level NAVD88. Well completed in "Piedmont and Blue Ridge crystalline-rock aquifers" (N400PDMBRX) national aquifer. Well completed in "PRECAMBRIAN ERATHEM" (400PCMB) local aquifer
Period of Record Monthly Statistics for 391542077423801 Depth to water level, feet below land surface All Approved Continuous & Periodic Data Used In Analysis
Note: Bold values in the table indicate closest statistic to the most recent data value.
Month
Lowest Level
10th %ile
25th %ile
50th %ile
75th %ile
90th %ile
Highest Level
Number of Years
Jan
61.97
61.36
60.44
58.92
57.86
56.59
55.51
30
Feb
60.74
60.48
58.71
58.23
56.42
55.70
55.37
28
Mar
60.68
60.15
58.83
57.89
56.98
55.80
55.68
23
Apr
60.75
59.32
58.25
57.19
55.70
54.69
53.94
27
May
60.07
59.34
58.79
58.30
56.50
54.61
54.14
30
Jun
61.10
60.24
59.41
58.96
57.29
56.77
56.63
22
Jul
61.10
60.12
59.90
59.44
59.15
58.37
57.55
29
Aug
61.20
60.57
60.26
60.05
59.82
59.19
58.64
34
Sep
61.70
61.09
60.40
60.16
59.59
58.89
58.26
22
Oct
66.49
61.26
60.54
60.33
59.65
57.94
56.75
31
Nov
61.47
60.94
60.57
59.94
58.61
58.18
52.00
27
Dec
61.80
61.21
60.29
59.02
57.84
56.53
55.98
22
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Daily Groundwater Data
Most recent Provisional daily data value: 60.50 on 11/19/09
Summary Statistics for Period of Continuous Record
Depth to water level, feet below land surface
Approved Daily Maximum Values Data Used in Analysis
Begin Date
End Date
Days
% Complete
12/11/03
08/10/09
2,053
99
Max Level
Mean
Min Level
50.34
58.98
61.97
Daily Data Options
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Periodic Groundwater Data
Summary Statistics for Period of Record Periodic Water Levels
Depth to water level, feet below land surface
Approved Periodic Water Level Values
Begin Date
End Date
Number of Values
11/19/63
10/07/09
587
Highest WL
Date of Highest WL
Lowest WL
Date of Lowest WL
48.00
06/22/72
66.49
10/15/08
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Period of Record - All Data Types
Summary Statistics for Period of Record - All Data Types
Depth to water level, feet below land surface
Begin Date
End Date
Number of Values
11/19/63
11/19/09
2,699
Highest WL
Date of Highest WL
Lowest WL
Date of Lowest WL
48.00
06/22/72
66.49
10/15/08
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