Latitude 42°45'20", Longitude 70°56'24" NAD27 Essex County, Massachusetts, Hydrologic Unit 01090001
Land surface altitude: 55.00 feet above sea level NGVD29. Well completed in "Sand and gravel aquifers (glaciated regions)" (N100GLCIAL) national aquifer. Well completed in "TILL" (112TILL) local aquifer
Period of Record Monthly Statistics for 424520070562401 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
11.12
9.14
7.20
5.84
5.00
4.24
3.73
44
Feb
9.36
8.97
6.75
5.76
4.91
3.86
3.42
45
Mar
8.27
7.13
5.75
5.01
4.17
3.66
2.98
45
Apr
6.65
5.97
5.27
4.88
3.70
3.00
1.97
45
May
7.56
6.90
6.04
5.17
4.28
3.74
2.89
45
Jun
8.98
8.63
7.54
6.30
5.33
4.23
2.55
45
Jul
10.50
9.94
9.15
8.32
7.10
5.77
4.12
46
Aug
11.62
10.78
10.28
9.80
8.32
7.61
6.05
45
Sep
12.36
11.70
11.15
10.33
9.29
8.05
7.16
45
Oct
12.60
11.87
11.34
9.83
8.34
6.71
4.92
45
Nov
12.68
11.22
10.02
8.41
6.61
5.10
3.94
44
Dec
12.10
10.06
7.80
6.43
5.27
4.61
3.16
44
Statistics Options
View month/year statistics
Daily Groundwater Data
Most recent Approved daily data value: 7.42 on 10/24/09
Summary Statistics 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
10/17/84
10/24/09
8,726
95
Highest Level
95-Pct
75-Pct
50-Pct
25-Pct
5-Pct
Lowest Level
1.31
3.21
4.63
6.33
8.45
10.72
12.15
Daily Data Options
View latest data from NWISWeb
View data in calendar format
Download data in text format
View daily medians
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
07/01/59
11/23/09
1,468
Highest WL
Date of Highest WL
Lowest WL
Date of Lowest WL
0.94
10/29/96
12.68
11/28/65
Groundwater Levels Options
View NWISWeb Groundwater levels page
Download Groundwater levels in text format
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
07/01/59
11/23/09
10,148
Highest WL
Date of Highest WL
Lowest WL
Date of Lowest WL
0.94
10/29/96
12.68
11/28/65
Period of Record Options
View annual monthly statistics for all data types
Download Groundwater levels in text format of all data types
