Latitude 40°51'49", Longitude 72°53'22" NAD27 Suffolk County, New York, Hydrologic Unit 02030202
Well depth: 91. feet Land surface altitude: 115.0feet above NGVD29. Well completed in "Northern Atlantic Coastal Plain aquifer system" (S100NATLCP) national aquifer. Well completed in "Glacial Aquifer, Upper" (112GLCLU) local aquifer
Period of Record Monthly Statistics for 405149072532201 Groundwater level above NGVD 1929, feet All Approved Continuous & Periodic Data Used In Analysis
Note: Highlighted 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
33.75
36.87
38.87
41.00
42.33
43.90
45.30
62
Feb
35.39
36.84
39.49
41.05
42.79
44.36
45.43
58
Mar
33.34
37.29
38.59
41.36
42.92
44.42
45.32
65
Apr
35.19
37.69
39.85
41.83
43.38
44.86
47.03
65
May
35.21
38.07
40.16
42.18
43.96
45.38
47.51
64
Jun
34.96
38.21
40.19
42.43
43.97
45.53
47.20
64
Jul
35.11
37.47
39.85
42.41
44.07
45.24
47.43
66
Aug
34.40
37.31
39.86
42.20
43.69
45.03
45.99
64
Sep
34.19
37.44
39.95
41.81
43.25
44.31
45.46
64
Oct
34.10
37.28
39.61
41.26
43.19
44.29
45.11
65
Nov
33.82
36.91
39.11
40.77
42.78
43.87
44.41
62
Dec
33.58
36.78
38.96
40.54
42.30
43.44
45.12
64
.As of 1/23/2021 15:29-2
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Daily Groundwater Data
Most recent Provisional daily data value: 39.80 on 01/24/21
Summary for Period of Continuous Record
Groundwater level above NGVD 1929, feet
Approved Daily Mean Values Data Used in Analysis
Begin Date
End Date
Days
% Complete
12/13/00
12/30/19
6,784
97
Lowest Level
5th %ile
10th %ile
25th %ile
50th %ile
75th %ile
90th %ile
95th %ile
Highest Level
36.42
37.18
38.25
40.39
41.83
43.41
44.89
45.28
47.60
Daily Data Options
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Periodic Groundwater Data
Summary for Period of Record Periodic Water Levels
Elevation above NGVD 1929, feet
Approved Periodic Water Level Values
Begin Date
End Date
Number of Values
04/28/48
12/23/20
2,494
Lowest WL
Date of Lowest WL
Highest WL
Date of Highest WL
33.34
03/01/67
47.53
05/14/10
Groundwater Levels Options
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Period of Record - All Data Types
Summary for Period of Record - All Data Types
Elevation above NGVD 1929, feet
Begin Date
End Date
Number of Values
04/28/48
01/24/21
10,272
Lowest WL
Date of Lowest WL
Highest WL
Date of Highest WL
33.34
03/01/67
47.6
05/08/10
Period of Record Options
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*References to non-Department of the Interior (DOI) products do not constitute an endorsement by the DOI.
