Latitude 40°49'58.7", Longitude 73°08'48.2" NAD83 Suffolk County, New York, Hydrologic Unit 02030202
Well depth: 50. feet Land surface altitude: 69.9feet 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 404958073085001 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
41.65
42.48
43.88
46.71
48.00
49.61
50.49
31
Feb
41.80
42.96
44.76
46.94
47.93
49.49
50.57
28
Mar
41.90
43.31
44.50
46.77
47.64
50.14
50.55
35
Apr
42.32
43.87
45.22
47.29
48.22
49.89
52.12
29
May
42.52
44.10
45.89
47.14
49.03
50.16
52.11
35
Jun
42.15
43.90
45.47
47.05
48.86
50.10
51.00
33
Jul
41.41
42.19
44.68
46.53
48.03
49.88
51.34
32
Aug
40.07
42.49
44.92
46.34
47.25
48.60
50.63
34
Sep
40.34
41.33
44.69
45.95
47.59
48.53
50.10
35
Oct
40.79
41.97
44.50
45.82
47.63
48.23
49.75
35
Nov
41.17
41.87
44.54
45.92
47.55
48.64
50.05
34
Dec
41.65
42.44
44.22
45.93
47.45
48.96
50.10
30
.As of 1/16/2021 17:03-2
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Daily Groundwater Data
Most recent Provisional daily data value: 45.18 on 12/15/20
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
08/01/08
11/03/19
3,615
87
Min Level
Mean
Max Level
40.83
46.20
52.42
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
05/20/82
12/16/20
350
Lowest WL
Date of Lowest WL
Highest WL
Date of Highest WL
40.07
08/21/02
51.94
04/09/10
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
05/20/82
12/16/20
5,063
Lowest WL
Date of Lowest WL
Highest WL
Date of Highest WL
40.07
08/21/02
52.42
04/27/10
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.
