Latitude 40°50'27.9", Longitude 73°18'04.4" NAD83 Suffolk County, New York, Hydrologic Unit 02030202
Well depth: 96. feet Land surface altitude: 146.0feet 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 405030073180601 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
69.58
69.98
71.00
72.67
73.63
74.98
75.76
25
Feb
69.40
69.95
70.38
72.60
73.91
75.00
75.89
23
Mar
69.24
70.05
70.66
71.93
73.15
74.40
75.86
41
Apr
69.42
70.39
70.85
72.09
73.35
75.13
77.09
27
May
69.53
70.37
71.18
72.23
73.75
75.32
76.37
31
Jun
69.84
70.21
71.61
73.11
74.00
75.58
76.32
29
Jul
69.85
70.25
71.33
72.44
74.13
75.27
75.71
31
Aug
70.08
70.26
71.57
72.29
74.13
75.09
76.41
29
Sep
69.40
70.26
71.48
72.00
73.85
74.76
76.30
30
Oct
69.95
70.17
71.46
72.62
74.43
74.86
75.94
31
Nov
69.31
70.03
70.77
71.85
74.02
75.03
75.65
30
Dec
69.74
70.17
70.75
71.84
73.65
74.97
75.53
27
.As of 1/16/2021 17:04-2
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Daily Groundwater Data
Most recent Provisional daily data value: 71.48 on 11/16/20
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
08/19/14
10/31/19
1,896
99
Min Level
Mean
Max Level
69.09
71.37
74.08
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
09/29/78
11/17/20
378
Lowest WL
Date of Lowest WL
Highest WL
Date of Highest WL
69.24
03/20/17
77.09
04/22/10
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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
09/29/78
11/17/20
2,655
Lowest WL
Date of Lowest WL
Highest WL
Date of Highest WL
69.09
03/22/17
77.09
04/22/10
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*References to non-Department of the Interior (DOI) products do not constitute an endorsement by the DOI.