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Groundwater Watch

Site Number: 404202073401801 - N 11168. 1

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Watch Help Page

DESCRIPTION:: Latitude 40°42'02", Longitude 73°40'18" NAD27
Nassau County, New York, Hydrologic Unit 02030202; Land surface altitude: 49.5 feet above sea level NGVD29.
Well completed in "Northern Atlantic Coastal Plain aquifer system" (S100NATLCP) national aquifer.
Well completed in "MAGOTHY AQUIFER" (211MGTY) local aquifer

AVAILABLE DATA FROM NWISWeb:

Field ground-water-level measurements
Additional Data Sources	Begin Date	End Date	Count
Annual Water-Data Report (pdf) offsite	2006	2006	1

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 404202073401801

Most recent data value: 30.80 on 4/27/2009
Period of Record Monthly Statistics for 404202073401801
Elevation above NGVD 1929, feet
Month Average
Monthly
Maximum
Monthly
Median Average
Monthly
Minimum Number
of
Months
Jan 0
Feb 0
Mar 31.68 28.91 26.18 8
Apr 3
May 0
Jun 0
Jul 0
Aug 0
Sep 0
Oct 0
Nov 0
Dec 0

Periodic Groundwater Data

Groundwater hydrograph for well 404202073401801

Summary Statistics for Period of Record Periodic Water Levels

Elevation above NGVD 1929, feet

Approved Periodic Water Level Values

Begin Date

End Date

Number of Values

03/16/92

04/27/09

Lowest WL	Date of Lowest WL	Highest WL	Date of Highest WL
26.18	03/12/96	32.38	04/02/07

	Groundwater Levels Options
	View NWISWeb Groundwater levels page
	View annual monthly statistics for all data types
	Download Groundwater levels in text format

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Last update: Monday, September 14, 2009 at 11:44