Latitude 40°59'28", Longitude 77°11'55" NAD27 Union County, Pennsylvania, Hydrologic Unit 02050206
Land surface altitude: 1,550.00 feet above sea level NGVD29. Well completed in "Valley and Ridge aquifers" (N500VLYRDG) national aquifer. Well completed in "REEDSVILLE FORMATION" (361RDVL) local aquifer
STATION.--405928077115501 UNION COUNTY, local wellnumber UN51 LOCATION.--Lat 40`59'28", long77`11'55", Hydrologic Unit 02050206, at Raymond B. WinterPark, and 5.5 mi east of Livonia. OWNER.--U.S. Geological Survey. AQUIFER.--Reedsville Formation, Late Ordovicianage. WELL CHARACTERISTICS.--Drilled observation well,diameter 6 in., depth 115 ft, cased to 91 ft, open hole. INSTRUMENTATION.--Data collection platform with60-minute recording interval. Satellite telemetry at station. DATUM.--Elevation of land surface is 1,550 ft abovesea level, from topographic map. Measuring point: Top of recordershelf, 3.5 ft above land-surface datum. REMARKS.--Daily maximum, minimum, and mean waterlevels since October 1994 are available from the District Office. PERIOD OF RECORD.--October 1967 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: 37.05 on 11/24/2009
Period of Record Monthly Statistics for 405928077115501 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
42.26
40.34
39.20
37.98
36.53
35.94
35.12
42
Feb
41.80
40.36
39.43
38.62
37.36
36.58
34.77
42
Mar
40.52
39.65
39.07
37.88
35.74
33.40
26.41
42
Apr
39.48
38.16
36.74
35.00
33.72
31.73
29.43
40
May
39.21
38.58
37.83
37.33
36.42
35.17
34.20
42
Jun
39.64
39.31
38.83
38.02
36.86
35.73
34.51
42
Jul
40.60
40.26
39.89
39.42
38.59
36.76
35.11
41
Aug
41.12
40.89
40.55
40.20
39.42
38.65
37.82
42
Sep
41.54
41.27
41.02
40.59
39.93
38.60
35.82
41
Oct
41.78
41.51
41.26
40.58
39.40
36.59
33.90
43
Nov
42.03
41.64
41.32
39.68
37.65
36.49
33.87
42
Dec
42.10
41.46
39.55
37.12
36.13
34.53
33.93
41
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Daily Groundwater Data
Most recent Provisional daily data value: 37.05 on 11/24/09
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
10/10/67
10/01/09
14,568
95
Highest Level
95-Pct
75-Pct
50-Pct
25-Pct
5-Pct
Lowest Level
25.15
33.38
36.81
38.63
40.12
41.39
42.31
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
10/10/67
10/02/09
114
Highest WL
Date of Highest WL
Lowest WL
Date of Lowest WL
26.53
04/06/05
41.91
11/23/98
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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
10/10/67
11/24/09
14,724
Highest WL
Date of Highest WL
Lowest WL
Date of Lowest WL
25.15
02/27/81
42.31
01/18/99
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