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Site Number: 404730073423101 - N 8877. 1


 
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DESCRIPTION:
Latitude 40°47'30", Longitude 73°42'31"   NAD27
Nassau County, New York, Hydrologic Unit 02030201
Well depth: 76. feet
Hole depth: 92. feet
Land surface altitude: 12.0feet above NGVD29.
Well completed in "Northern Atlantic Coastal Plain aquifer system" (S100NATLCP) national aquifer.
Well completed in "Glacial Aquifer, Upper" (112GLCLU) local aquifer
AVAILABLE DATA:
Data Type Begin Date End Date Count
 Field groundwater-level measurements 1972-09-13  2020-11-03  141 
Field/Lab water-quality samples
OPERATION:
Record for this site is maintained by the USGS New York Water Science Center
Email questions about this site to New York Water Science Center Water-Data Inquiries
Site Statistics

Most recent data value: 11.37 on 11/3/2020
Period of Record Monthly Statistics for 404730073423101
Elevation 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.
MonthLowest
Median
10th
%ile
25th
%ile
50th
%ile
75th
%ile
90th
%ile
Highest
Median
Number
of
Years
Jan9.52-  -  -  -  -  10.906
Feb9.58-  -  -  -  -  11.065
Mar9.629.729.8810.2110.5911.1011.2725
Apr10.05-  -  -  -  -  12.106
May9.579.589.9310.4811.2011.7711.9412
Jun9.039.209.7810.1610.3111.1911.2414
Jul9.249.269.6510.1710.4411.8512.0010
Aug8.17-  -  -  -  -  10.678
Sep8.138.849.8010.0110.2210.4110.4418
Oct8.14-  -  -  -  -  10.355
Nov10.16-  -  -  -  -  11.017
Dec9.369.389.509.6810.0510.3910.5815
.As of 12/19/2020 15:43-2
   Statistics 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 DateEnd DateNumber of Values
09/13/7211/03/20141
Lowest WLDate of Lowest WLHighest WLDate of Highest WL
10.0106/20/979.9909/04/80

Groundwater Levels Options

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*References to non-Department of the Interior (DOI) products do not constitute an endorsement by the DOI.

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Last update: Thursday, September 26, 2019 at 13:24

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