Latitude 40°24'11", Longitude 77°37'48" NAD27 Juniata County, Pennsylvania, Hydrologic Unit 02050304
Land surface altitude: 635.00 feet above sea level NGVD29. Well completed in "Valley and Ridge aquifers" (N500VLYRDG) national aquifer. Well completed in "BRALLIER, HARREL FORMATIONS UNDIFFERENTIATED" (341BLHL) local aquifer
STATION.--402411077374801 JUNIATA COUNTY, local wellnumber JU351 LOCATION.--Lat 40 24'11", long 7737'48", Hydrologic Unit 02050304, at State Game Land No. 215,and near Reeds Gap. OWNER.--U.S. Geological Survey. AQUIFER.--Brailler and Harrell Formations, undivided,Late Devonian age. WELL CHARACTERISTICS.--Drilled observation well,diameter 6 in., depth 110 ft, cased to 18 ft, open hole. INSTRUMENTATION.--Electronic data logger with60-minute recording interval. DATUM.--Elevation of land surface is 635 ft above sealevel, from topographic map. Measuring point: Top of plywood cover, 3.6ft above land-surface datum. REMARKS.--This well shows significant response toEarth tides. Daily maximum, minimum, and mean water levels since June 1999 areavailable from the District Office. PERIOD OF RECORD.--June 1968 to current year. COOPERATION.--Funding for the operation of thisstation is provided by the Pennsylvania Department of EnvironmentalProtection and the U.S. Geological Survey.
Site Statistics
Most recent data value: 13.37 on 11/23/2009
Period of Record Monthly Statistics for 402411077374801 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
14.16
13.72
13.38
13.13
12.82
12.58
12.47
41
Feb
13.70
13.49
13.30
13.07
12.80
12.40
10.89
39
Mar
13.61
13.28
13.10
12.85
12.51
12.33
11.12
41
Apr
13.43
13.28
13.00
12.76
12.49
12.32
11.81
41
May
13.73
13.48
13.23
12.93
12.64
12.35
12.10
40
Jun
15.06
14.61
14.01
13.41
13.19
12.72
12.62
42
Jul
15.23
14.89
14.76
14.38
13.74
13.45
12.53
41
Aug
15.30
15.16
15.05
14.74
14.43
13.36
12.88
41
Sep
15.35
15.26
15.14
14.92
14.20
13.25
12.29
42
Oct
15.24
15.17
14.94
14.44
13.44
12.92
12.76
42
Nov
15.13
14.75
13.97
13.40
13.15
12.70
12.57
41
Dec
14.50
13.81
13.56
13.11
12.87
12.68
12.35
40
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Daily Groundwater Data
Most recent Provisional daily data value: 13.37 on 11/23/09
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
06/25/68
03/17/09
13,757
92
Highest Level
95-Pct
75-Pct
50-Pct
25-Pct
5-Pct
Lowest Level
10.65
12.27
12.84
13.32
14.24
15.13
16.62
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
06/01/68
10/21/09
136
Highest WL
Date of Highest WL
Lowest WL
Date of Lowest WL
11.95
01/25/99
16.00
06/01/68
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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
06/01/68
11/23/09
14,133
Highest WL
Date of Highest WL
Lowest WL
Date of Lowest WL
10.65
02/07/96
16.62
06/10/94
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