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Site Number: 403511073450901 - N 10620. 1


 
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DESCRIPTION:
Latitude 40°35'13.6", Longitude 73°45'07.1"   NAD83
Nassau County, New York, Hydrologic Unit 02030202
Well depth: 1160. feet
Hole depth: 1246. feet
Land surface altitude: 4.0feet 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 1987-11-23  2020-12-21  118 
Field/Lab water-quality samples

Additional Data Sources

Begin Date

End Date

Count
 Annual Water-Data Report (pdf)  **offsite** 2005  2011  7 
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: 8.87 on 12/21/2020
Period of Record Monthly Statistics for 403511073450901
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
Jan-8.92-  -  -  -  -  9.305
Feb-4.08-  -  -  -  -  9.779
Mar3.654.126.567.738.689.9310.2621
Apr4.784.916.668.989.649.819.8210
May7.33-  -  -  -  -  9.415
Jun-3.15-  -  -  -  -  8.978
Jul-5.13-  -  -  -  -  9.579
Aug4.70-  -  -  -  -  7.016
Oct-7.47-6.116.777.097.287.557.5810
Nov-5.72-  -  -  -  -  9.027
Dec-4.83-  -  -  -  -  8.698
.As of 1/16/2021 16:53-2
   Statistics Options

 View month/year statistics
    View month/year statistics
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
11/23/8712/21/20118
Lowest WLDate of Lowest WLHighest WLDate of Highest WL
-8.9201/26/1210.2603/29/17

Groundwater Levels Options

View latest data on NWISWeb

Download groundwater levels in text format

Note: The most recent measurement on 12/21/2020 has the following status:
'Water level was affected by tide stage.'


      

*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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