USGS -- Groundwater Watch

Site Number: 405343073055004 - S 3955. 4

DESCRIPTION:: Latitude 40°53'44.2", Longitude 73°05'48.3" NAD83
Suffolk County, New York, Hydrologic Unit 02030202; Well depth: 80. feet
Land surface altitude: 123.0feet above NGVD29.
Well completed in "Northern Atlantic Coastal Plain aquifer system" (S100NATLCP) national aquifer.
Well completed in "Glacial Aquifer, Upper" (112GLCLU) local aquifer

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Field groundwater-level measurements	1975-04-29	2020-11-17	505
Field/Lab water-quality samples
Additional Data Sources	Begin Date	End Date	Count
Annual Water-Data Report (pdf) offsite	2005	2011	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

Monthly statistics plot for 405343073055004

Most recent data value: 54.09 on 11/17/2020
Period of Record Monthly Statistics for 405343073055004
Elevation 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 50.00 51.65 53.63 55.38 57.52 59.15 60.68 33
Feb 49.94 51.41 53.68 55.65 57.46 58.99 60.54 32
Mar 50.14 52.06 53.67 55.73 57.51 58.45 60.65 43
Apr 50.32 51.94 54.18 55.73 57.52 58.36 59.90 40
May 50.39 52.20 54.32 55.68 57.76 59.41 60.95 42
Jun 50.56 52.84 54.53 56.07 57.65 58.91 61.03 42
Jul 51.51 52.34 54.30 56.16 57.60 59.36 61.05 39
Aug 50.39 52.37 54.70 56.01 57.46 59.74 60.85 41
Sep 50.21 51.90 54.69 56.21 57.47 59.61 60.71 40
Oct 50.28 51.52 54.15 55.86 57.62 59.79 60.71 41
Nov 50.36 52.19 54.23 55.60 57.31 58.44 59.78 38
Dec 50.08 51.36 54.32 55.46 57.48 59.04 59.68 33
.As of 1/16/2021 17:06-2
Statistics Options

View month/year statistics

Periodic Groundwater Data

Groundwater hydrograph for well 405343073055004

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

04/29/75

11/17/20

505

Lowest WL	Date of Lowest WL	Highest WL	Date of Highest WL
49.94	02/28/18	61.21	07/20/06

	Groundwater Levels Options
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Last update: Thursday, September 26, 2019 at 13:24

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