Latitude 42�'01", Longitude 71�'38" NAD27 Middlesex County, Massachusetts, Hydrologic Unit 01090001
Well depth: 12.0 feet Land surface altitude: 95.00feet above NGVD29. Well completed in "Sand and gravel aquifers (glaciated regions)" (N100GLCIAL) national aquifer. Well completed in "Ice-Contact Deposits, Including Eskers and Kames" (112ICCCE) local aquifer
Period of Record Monthly Statistics for 423401071093801 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 Median
10th %ile
25th %ile
50th %ile
75th %ile
90th %ile
Highest Median
Number of Years
Jan
9.09
8.55
8.39
7.60
7.09
6.50
5.70
59
Feb
8.99
8.42
8.04
7.49
6.7
6.44
4.99
60
Mar
8.66
7.93
7.48
6.81
6.23
5.59
4.44
60
Apr
8.23
7.67
7.16
6.47
5.88
5.27
4.89
57
May
8.56
7.94
7.40
6.97
6.59
6.34
5.75
59
Jun
8.87
8.38
8.11
7.85
7.35
6.63
5.51
60
Jul
9.80
9.28
8.96
8.67
8.26
7.60
6.71
62
Aug
10.61
9.81
9.55
8.98
8.53
8.13
7.02
61
Sep
11.05
10.16
9.72
9.23
8.94
8.53
6.29
61
Oct
11.27
10.13
9.61
9.12
8.54
7.81
6.52
61
Nov
10.29
9.85
9.06
8.57
7.95
7.1
6.57
60
Dec
9.71
8.91
8.29
7.88
7.30
6.73
6.00
60
As of 3/16/2013 02:23-2
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Daily Groundwater Data
Most recent Provisional daily data value: 6.48 on 03/19/13
Summary for Period of Continuous Record
Depth to water level, feet below land surface
Approved Daily Mean Values Data Used in Analysis
Begin Date
End Date
Days
% Complete
10/15/84
11/05/12
10,087
98
Lowest Level
5th %ile
10th %ile
25th %ile
50th %ile
75th %ile
90th %ile
95th %ile
Highest Level
10.46
9.73
9.36
8.82
8.14
7.36
6.63
6.13
2.98
Daily Data Options
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Periodic Groundwater Data
Summary 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
06/01/51
01/30/13
2,190
Highest WL
Date of Highest WL
Lowest WL
Date of Lowest WL
4.12
03/30/01
11.27
10/30/57
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Period of Record - All Data Types
Summary for Period of Record - All Data Types
Depth to water level, feet below land surface
Begin Date
End Date
Number of Values
06/01/51
03/19/13
13,137
Highest WL
Date of Highest WL
Lowest WL
Date of Lowest WL
10.0
09/18/02
9.99
09/05/62
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