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Site Number: 404715073395501 - N 12523. 1


 
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DESCRIPTION:
Latitude 40°47'03.8", Longitude 73°39'47.2"   NAD83
Nassau County, New York, Hydrologic Unit 02030202
Well depth: 788. feet
Land surface altitude: 188feet above NGVD29.
Well completed in "Northern Atlantic Coastal Plain aquifer system" (S100NATLCP) national aquifer.
Well completed in "Lloyd Aquifer" (211LLYD) local aquifer
AVAILABLE DATA:
Data Type Begin Date End Date Count
 Field groundwater-level measurements 1995-06-13  2020-12-21  164 
Field/Lab water-quality samples

Additional Data Sources

Begin Date

End Date

Count
 Annual Water-Data Report (pdf)  **offsite** 2005  2011  6 
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: 10.90 on 12/21/2020
Period of Record Monthly Statistics for 404715073395501
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
Jan10.24-  -  -  -  -  18.119
Feb10.19-  -  -  -  -  18.889
Mar8.008.0612.1416.1418.4018.9919.7519
Apr11.8312.1914.6115.9018.8319.7320.0513
May7.388.129.1011.6914.6818.1819.2314
Jun1.272.405.437.7611.0614.5016.3713
Jul-3.89-2.873.208.299.2319.0920.9511
Aug1.091.592.945.797.139.169.3214
Sep1.802.535.067.6610.2712.5212.5513
Oct5.546.078.7111.0812.2214.8916.2713
Nov8.489.4013.0914.0315.3016.8817.1111
Dec8.138.689.4814.7116.8218.6819.0615
.As of 1/23/2021 15:24-2
   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
06/13/9512/21/20164
Lowest WLDate of Lowest WLHighest WLDate of Highest WL
-3.8907/25/1120.9507/26/12

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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