USGS -- Groundwater Watch

Site Number: 405604073064302 - S 81831. 1

DESCRIPTION:: Latitude 40°56'04.5", Longitude 73°06'40.9" NAD83
Suffolk County, New York, Hydrologic Unit 02030201; Well depth: 470. feet
Land surface altitude: 94.0feet 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
Field groundwater-level measurements	1986-03-10	2020-11-17	311
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 405604073064302

Most recent data value: 21.47 on 11/17/2020
Period of Record Monthly Statistics for 405604073064302
Elevation above NGVD 1929, feet
Month Average
Monthly
Maximum
Monthly
Median Average
Monthly
Minimum Number
of
Months
Mar 23.89 21.79 21.69 5
May 22.76 21.73 20.12 5
Jun 22.49 21.25 19.69 5
Jul 22.22 20.57 19.95 5
Aug 22.06 20.67 20.41 5
Sep 22.31 20.97 20.49 5
Oct 22.87 21.11 20.61 5
As of 7/4/2020 14:36-M

Periodic Groundwater Data

Groundwater hydrograph for well 405604073064302

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

03/10/86

11/17/20

311

Lowest WL	Date of Lowest WL	Highest WL	Date of Highest WL
16.54	08/22/02	24.51	01/19/07

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

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