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Site Number: 403727073154503 - S 21311. 1


 
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DESCRIPTION:
Latitude 40°37'28", Longitude 73°15'48"   NAD27
Suffolk County, New York, Hydrologic Unit 02030202
Well depth: 721 feet
Land surface altitude: 10.0feet above NGVD29.
Well completed in "Northern Atlantic Coastal Plain aquifer system" (S100NATLCP) national aquifer.
Well completed in "Magothy Aquifer" (211MAGT) local aquifer
AVAILABLE DATA:
Data Type Begin Date End Date Count
 Current / Historical Observations     2007-10-01  2020-11-10  
 Daily Data
    Groundwater level above NGVD 1929, feet  1984-08-01  2020-11-09  10863 
 Daily Statistics 
    Groundwater level above NGVD 1929, feet  1984-08-01  2020-01-12 10561 
 Monthly Statistics 
    Groundwater level above NGVD 1929, feet  1984-08  2020-01  
 Annual Statistics 
    Groundwater level above NGVD 1929, feet  1984  2020  
 Field groundwater-level measurements 1968-02-02  2020-11-10  517 
Field/Lab water-quality samples
 Water-Year Summary 2005  2019  12 
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: 8.64 on 11/10/2020
Period of Record Monthly Statistics for 403727073154503
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
Jan8.249.239.539.7910.7211.4913.0448
Feb6.499.299.569.8611.0411.5112.5349
Mar8.179.379.789.9310.7311.7012.1049
Apr8.439.559.8310.2111.1011.5412.1647
May9.369.649.7810.0811.2411.6711.7850
Jun7.129.209.599.8010.8811.1611.7349
Jul8.488.789.129.3910.2810.7911.5548
Aug8.148.658.939.2310.2910.6311.3448
Sep8.548.678.969.3910.2610.8811.5047
Oct8.748.929.289.5710.4510.9911.7050
Nov8.929.119.289.6410.5611.5012.1049
Dec8.909.249.549.7410.5311.3912.0150
.As of 1/23/2021 15:19-2
   Statistics Options

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

Most recent Provisional daily data value: 9.26 on 11/09/20
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
08/01/8401/12/20 10,56181
Lowest
Level		5th
%ile		10th
%ile		25th
%ile		50th
%ile		75th
%ile		90th
%ile		95th
%ile		Highest
Level
6.808.688.879.199.549.8910.2010.3812.12

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
02/02/6811/10/20517
Lowest WLDate of Lowest WLHighest WLDate of Highest WL
5.3502/23/7213.0401/25/79

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
02/02/6811/10/2012,035
Lowest WLDate of Lowest WLHighest WLDate of Highest WL
5.3502/23/7213.0401/25/79

Period of Record Options

 View latest data on NWISWeb for all data types

 View month/year statistics

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