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Site Number: 404834073403701 - N 12507. 1


 
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DESCRIPTION:
Latitude 40°48'34", Longitude 73°40'37"   NAD27
Nassau County, New York, Hydrologic Unit 02030201
Well depth: 615. feet
Land surface altitude: 118feet 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     2016-06-15  2020-11-03  
 Daily Data
    Groundwater level above NGVD 1929, feet  2004-07-15  2020-11-02  2059 
 Daily Statistics 
    Groundwater level above NGVD 1929, feet  2004-07-15  2019-07-19 1727 
 Monthly Statistics 
    Groundwater level above NGVD 1929, feet  2004-07  2019-07  
 Annual Statistics 
    Groundwater level above NGVD 1929, feet  2004  2019  
 Field groundwater-level measurements 1994-09-19  2020-11-03  157 
Field/Lab water-quality samples
 Water-Year Summary 2005  2019  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: 22.96 on 11/3/2020
Period of Record Monthly Statistics for 404834073403701
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
Jan14.92-  -  -  -  -  26.599
Feb20.0320.0721.6322.8124.2624.7424.7410
Mar14.8016.4618.9823.0024.8826.5827.3818
Apr16.96-  -  -  -  -  25.938
May9.8710.3516.7521.6723.3725.8625.8613
Jun12.6012.7214.3018.2220.0323.3125.2114
Jul5.835.918.9714.5617.9921.7823.1313
Aug4.194.626.6014.4818.1719.3019.4012
Sep6.427.2412.5416.8719.5520.2620.3814
Oct11.6412.0715.9918.7620.3723.5324.0914
Nov13.1614.1317.7422.2224.1725.1825.3614
Dec16.5417.0918.6722.1624.8025.9025.9812
.As of 1/23/2021 15:26-2
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Daily Groundwater Data

Most recent Provisional daily data value: 21.17 on 11/02/20
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
07/15/0407/19/19 1,72731

Daily Data 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
09/19/9411/03/20157
Lowest WLDate of Lowest WLHighest WLDate of Highest WL
4.1908/23/9527.3803/25/13

Groundwater Levels Options

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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
09/19/9411/03/202,724
Lowest WLDate of Lowest WLHighest WLDate of Highest WL
4.1908/23/9527.3803/25/13

Period of Record Options

View latest data on NWISWeb for all data types

View month/year statistics

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

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