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Site Number: 404943073414701 - N 12508. 1


 
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DESCRIPTION:
Latitude 40°49'43", Longitude 73°41'47"   NAD27
Nassau County, New York, Hydrologic Unit 02030201
Well depth: 400. feet
Land surface altitude: 61feet 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
 Current / Historical Observations     2007-10-01  2020-12-23  
 Daily Data
    Groundwater level above NGVD 1929, feet  2002-06-14  2020-12-22  6471 
 Daily Statistics 
    Groundwater level above NGVD 1929, feet  2002-06-14  2020-03-01 6199 
 Monthly Statistics 
    Groundwater level above NGVD 1929, feet  2002-06  2020-03  
 Annual Statistics 
    Groundwater level above NGVD 1929, feet  2002  2020  
 Field groundwater-level measurements 1995-03-16  2020-12-23  211 
Field/Lab water-quality samples
 Water-Year Summary 2005  2019  11 
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: 5.70 on 12/23/2020
Period of Record Monthly Statistics for 404943073414701
Groundwater level 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
Jan3.343.595.547.328.299.859.9019
Feb4.145.656.667.619.089.8510.7018
Mar-3.640.833.237.109.1710.2410.9423
Apr-3.590.835.637.399.159.9110.6717
May-0.070.732.144.236.748.258.2618
Jun-3.39-3.18-0.392.273.214.416.8019
Jul-11.00-6.90-3.56-2.660.491.922.1018
Aug-9.17-7.00-3.65-2.28-0.660.661.0919
Sep-11.78-4.72-1.99-0.371.722.027.6319
Oct0.710.961.343.024.537.707.7718
Nov3.283.784.715.737.678.698.8017
Dec2.343.285.856.988.6710.0310.1719
.As of 1/16/2021 17:03-2
   Statistics Options

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

Most recent Provisional daily data value: 6.54 on 12/22/20
Summary for Period of Continuous Record
Groundwater level above NGVD 1929, feet
Approved Daily Mean Values Data Used in Analysis
Begin
Date		End Date Days%
Complete
06/14/0203/01/20 6,19995
Lowest
Level		5th
%ile		10th
%ile		25th
%ile		50th
%ile		75th
%ile		90th
%ile		95th
%ile		Highest
Level
-13.29-4.49-3.000.484.597.479.079.8311.54

Daily Data Options

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 View daily medians		 View daily medians
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
03/16/9512/23/20211
Lowest WLDate of Lowest WLHighest WLDate of Highest WL
-15.6503/22/0411.3802/23/12

Groundwater Levels Options

 View latest data on NWISWeb

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Period of Record - All Data Types

Summary for Period of Record - All Data Types
Elevation above NGVD 1929, feet
Begin DateEnd DateNumber of Values
03/16/9512/23/206,707
Lowest WLDate of Lowest WLHighest WLDate of Highest WL
-15.6503/22/0411.5403/10/19

Period of Record Options

 View latest data on NWISWeb for all data types

 View month/year statistics

 Download groundwater levels in text format of all data types


      

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

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