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Site Number: 404232073432501 - N 9979. 1


 
Groundwater
Watch Help Page
DESCRIPTION:
Latitude 40°42'32.1", Longitude 73°43'25.0"   NAD83
Nassau County, New York, Hydrologic Unit 02030202
Well depth: 95. feet
Hole depth: 95. feet
Land surface altitude: 71.0feet 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 1982-12-21  2015-05-21  326 
Field/Lab water-quality samples

Additional Data Sources

Begin Date

End Date

Count
 Groundwater Watch  **offsite** 1982  2015  326 
 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 toNew York Water Science Center Water-Data Inquiries
Site Statistics

Most recent data value: 36.74 on 5/21/2015
Period of Record Monthly Statistics for 404232073432501
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   8.63  16.59  22.98  24.90  33.40  36.53  37.9923
Feb  15.93  18.11  23.53  25.38  32.79  36.37  37.8220
Mar  16.02  20.89  23.31  25.04  33.65  35.93  37.6225
Apr   5.39  12.73  22.75  24.74  34.64  37.34  38.8927
May  10.95  17.71  23.95  26.36  34.64  37.30  39.4226
Jun  12.06  19.39  23.62  27.35  34.77  37.29  38.7827
Jul   6.51  15.96  23.27  26.62  34.49  36.86  38.2027
Aug   6.51  15.95  23.15  26.51  34.80  36.99  37.6327
Sep   6.93  13.88  22.59  24.81  33.49  36.75  38.2728
Oct  12.92  16.39  23.07  25.64  34.49  36.80  38.1025
Nov  15.99  20.00  23.17  25.64  34.48  36.51  38.0325
Dec   5.62  13.99  22.62  25.14  33.69  36.20  38.0927
As of 7/25/2015 02:25-2
   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
12/21/8205/21/15326
Lowest WLDate of Lowest WLHighest WLDate of Highest WL
5.3904/08/8339.4804/21/10

Groundwater Levels Options

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Last update: Monday, June 29, 2015 at 15:20

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