USGS -- Groundwater Watch

Site Number: 405223072523402 - S 6455. 1

DESCRIPTION:: Latitude 40°52'22.2", Longitude 72°52'32.8" NAD83
Suffolk County, New York, Hydrologic Unit 02030202; Well depth: 962. feet
Land surface altitude: 83.0feet 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	2015-09-04	2020-11-19
Daily Data
Groundwater level above NGVD 1929, feet	2015-09-04	2020-11-18	1829
Daily Statistics
Groundwater level above NGVD 1929, feet	2015-09-04	2020-03-10	1576
Monthly Statistics
Groundwater level above NGVD 1929, feet	2015-09	2020-03
Annual Statistics
Groundwater level above NGVD 1929, feet	2015	2020
Field groundwater-level measurements	1949-07-25	2020-12-23	913
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

Monthly statistics plot for 405223072523402

Most recent data value: 36.25 on 12/23/2020
Period of Record Monthly Statistics for 405223072523402
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.
Month Lowest
Median 10th
%ile 25th
%ile 50th
%ile 75th
%ile 90th
%ile Highest
Median Number
of
Years
Jan 33.91 35.75 36.83 37.70 38.79 39.91 41.22 54
Feb 34.74 35.95 36.89 37.83 39.03 40.21 41.29 40
Mar 33.82 35.96 37.05 38.00 39.42 40.02 41.45 61
Apr 34.84 36.38 37.28 38.55 39.91 40.81 42.50 52
May 35.22 36.63 37.45 38.60 39.61 40.74 41.67 45
Jun 34.93 36.27 37.44 38.71 39.68 40.98 41.94 49
Jul 34.69 36.02 37.14 38.26 39.45 40.39 41.85 53
Aug 34.35 35.29 36.66 37.96 39.05 40.25 41.25 44
Sep 34.35 35.47 36.49 37.64 38.72 40.04 41.35 53
Oct 34.24 35.82 36.65 37.47 38.84 39.78 41.14 48
Nov 34.22 35.11 36.26 37.24 38.73 39.52 41.24 42
Dec 33.82 35.30 36.52 37.57 38.63 39.45 41.27 47
.As of 1/16/2021 17:05-2
Statistics Options

View month/year statistics

Daily Groundwater Data

Most recent Provisional daily data value: 36.38 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
09/04/15	03/10/20	1,576	95

	Daily Data Options
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Periodic Groundwater Data

Groundwater hydrograph for well 405223072523402

Summary for Period of Record Periodic Water Levels

Elevation above NGVD 1929, feet

Approved Periodic Water Level Values

Begin Date

End Date

Number of Values

07/25/49

12/23/20

913

Lowest WL	Date of Lowest WL	Highest WL	Date of Highest WL
33.82	12/27/66	42.5	04/02/79

	Groundwater Levels Options
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	Download groundwater levels in text format

Period of Record - All Data Types

Period of record plot for well 405223072523402

Summary for Period of Record - All Data Types

Elevation above NGVD 1929, feet

Begin Date

End Date

Number of Values

07/25/49

12/23/20

3,473

Lowest WL	Date of Lowest WL	Highest WL	Date of Highest WL
33.77	01/10/17	42.5	04/02/79

	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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