Latitude 43°15'40", Longitude 71°45'28" NAD27 Merrimack County, New Hampshire, Hydrologic Unit 01070003
Land surface altitude: 424.00 feet above sea level NGVD29. Well completed in "Sand and gravel aquifers (glaciated regions)" (N100GLCIAL) national aquifer. Well completed in "OUTWASH" (112OTSH) local aquifer
Period of Record Monthly Statistics for 431540071452801 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
33.69
32.42
31.49
30.73
29.86
28.98
27.64
41
Feb
32.74
32.27
31.62
30.60
29.78
29.33
27.15
41
Mar
32.84
31.94
31.32
30.32
29.23
28.81
27.89
43
Apr
31.81
30.55
29.92
28.63
27.92
27.21
26.24
42
May
31.08
29.76
28.78
28.26
27.76
26.40
25.66
39
Jun
31.53
30.40
29.50
28.87
28.04
27.31
25.26
41
Jul
32.07
31.01
30.31
29.58
29.00
28.08
25.84
41
Aug
32.60
31.55
30.91
30.37
29.72
29.02
27.46
39
Sep
32.71
32.11
31.58
31.15
30.62
30.06
28.96
44
Oct
33.21
32.38
31.96
31.41
30.89
29.93
29.65
42
Nov
33.30
32.33
31.99
31.38
30.61
29.86
27.30
40
Dec
33.91
32.65
31.67
31.14
30.63
29.62
27.36
41
Statistics Options
View month/year statistics
Daily Groundwater Data
Most recent Provisional daily data value: 29.73 on 11/21/09
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
10/26/98
09/30/08
3,429
94
Max Level
Mean
Min Level
24.96
29.56
32.49
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
12/01/65
10/30/09
524
Highest WL
Date of Highest WL
Lowest WL
Date of Lowest WL
24.94
05/05/69
34.00
12/01/65
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
12/01/65
11/21/09
4,311
Highest WL
Date of Highest WL
Lowest WL
Date of Lowest WL
24.94
05/05/69
34.00
12/01/65
Period of Record Options
View annual monthly statistics for all data types
Download Groundwater levels in text format of all data types