Groundwater Watch

Site Number: 403517073430702 - N 6702. 1


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DESCRIPTION:
Latitude 40°35'17", Longitude 73°43'06"   NAD27
Nassau County, New York, Hydrologic Unit 02030202
Land surface altitude: 10.8 feet above sea level NGVD29.
Well completed in "Northern Atlantic Coastal Plain aquifer system" (S100NATLCP) national aquifer.
Well completed in "MAGOTHY AQUIFER" (211MGTY) local aquifer
AVAILABLE DATA FROM NWISWeb:
 Daily Data
    Elevation above NGVD 1929, feet  2003-10-01  2009-05-25  1995 
 Daily Statistics 
    Elevation above NGVD 1929, feet  2003-10-01  2007-09-30 1393 
 Monthly Statistics 
    Elevation above NGVD 1929, feet  2003-10  2007-09  
 Annual Statistics 
    Elevation above NGVD 1929, feet  2004  2007  
Field ground-water-level measurements
Field/Lab water-quality samples

Additional Data Sources
Begin Date
End Date
Count
 Annual Water-Data Report (pdf)  **offsite** 2005  2006  2 
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: -2.55 on 10/22/2009
Period of Record Monthly Statistics for 403517073430702
Elevation above NGVD 1929, feet
All Approved Continuous & Periodic Data Used In Analysis
Note: Bold values in the table indicate closest statistic to the most recent data value.
MonthLowest
Level		10th
%ile		25th
%ile		50th
%ile		75th
%ile		90th
%ile		Highest
Level		Number
of
Years
Jan-6.08-5.63-4.78-4.48-4.20-3.82-3.2435
Feb-6.57-5.50-4.83-4.52-4.16-3.56-2.7832
Mar-5.38-5.27-5.00-4.42-3.95-3.54-3.1638
Apr-5.10-4.92-4.67-4.38-3.78-3.19-2.5031
May-6.23-5.21-4.87-4.60-4.23-3.33-2.7138
Jun-5.69-5.40-5.06-4.86-4.33-3.86-2.2935
Jul-5.97-5.76-5.59-4.95-4.45-4.18-2.5337
Aug-6.01-5.77-5.59-4.96-4.62-4.12-3.8835
Sep-5.90-5.65-5.33-4.83-4.50-4.17-3.6936
Oct-5.99-5.55-4.90-4.50-4.08-3.81-3.1637
Nov-6.58-5.37-4.89-4.62-4.00-3.54-2.6735
Dec-6.13-5.42-4.83-4.47-4.00-3.57-2.9133

   Statistics Options

 View month/year statistics		    View month/year statistics
Daily Groundwater Data

Most recent Provisional daily data value: -3.47 on 10/21/09
Summary Statistics for Period of Continuous Record
Elevation above NGVD 1929, feet
Approved Daily Mean Values Data Used in Analysis
Begin Date End Date Days % Complete
10/01/03 09/30/07 1,393 95

Daily Data Options

 View latest data from NWISWeb

 View data in calendar format

 Download data in text format

 View daily medians		 View daily medians
Periodic Groundwater Data


Summary Statistics for Period of Record Periodic Water Levels
Elevation above NGVD 1929, feet
Approved Periodic Water Level Values
Begin DateEnd DateNumber of Values
04/13/6110/22/09449
Lowest WLDate of Lowest WLHighest WLDate of Highest WL
-6.5811/30/72-1.9201/05/06

Groundwater Levels Options

 View NWISWeb Groundwater levels page

 Download Groundwater levels in text format

Note: The most recent measurement on 10/22/2009 has the following status:
'Water level was affected by tide stage.'
Period of Record - All Data Types

Summary Statistics for Period of Record - All Data Types
Depth to water level, feet below land surface
Begin DateEnd DateNumber of Values
04/13/6110/22/092,591
Highest WLDate of Highest WLLowest WLDate of Lowest WL
-6.5811/30/72-1.9201/05/06

Period of Record Options

 View annual monthly statistics for all data types

 Download Groundwater levels in text format of all data types


         

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Last update: Monday, September 14, 2009 at 11:44