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Groundwater Watch

Site Number: 410628073413301 - CT- GW 21 GREENWICH, CT

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Watch Help Page

DESCRIPTION:: Latitude 41°06'28.4", Longitude 73°41'32.6" NAD83
Fairfield County, Connecticut, Hydrologic Unit 01100006; Land surface altitude: 465 feet above sea level NGVD29.
Well completed in "New York and New England carbonate-rock aquifers" (N400NYNECB) national aquifer.
Well completed in "CARBONATE CRYSTALLINE BEDROCK" (300CBCL) local aquifer

AVAILABLE DATA FROM NWISWeb:

Real-time
Daily Data
Daily Statistics
Monthly Statistics
Annual Statistics
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 Connecticut Water Science Center; Email questions about this site to Connecticut Water Science Center Water-Data Inquiries

Site Statistics

Monthly statistics plot for 410628073413301

Most recent data value: 29.75 on 11/17/2009
Period of Record Monthly Statistics for 410628073413301
Depth to water level, feet below land surface
Month Average
Monthly
Minimum
Monthly
Median Average
Monthly
Maximum Number
of
Months
Jan 18.51 20.18 38.99 8
Feb 20.08 21.21 38.22 8
Mar 19.59 21.50 28.50 8
Apr 18.11 19.74 24.16 8
May 17.88 20.95 25.04 8
Jun 19.26 23.57 26.58 8
Jul 22.85 25.52 32.02 8
Aug 24.06 29.10 41.77 8
Sep 20.03 31.97 48.30 8
Oct 20.43 28.83 51.03 8
Nov 19.15 29.03 44.75 8
Dec 18.59 20.95 44.30 8

Daily Groundwater Data

Most recent Provisional daily data value: 29.75 on 11/17/09
Summary Statistics for Period of Continuous Record
Depth to water level, feet below land surface
Approved Daily Mean Values Data Used in Analysis
Begin Date	End Date		Days	% Complete
11/21/01	08/26/07		2,003	95
Max Level		Mean		Min Level
16.06		24.92		45.01

	Daily Data Options
	View latest data from NWISWeb
	View data in calendar format
	Download data in text format
	View daily medians

Periodic Groundwater Data

Groundwater hydrograph for well 410628073413301

Summary Statistics for Period of Record Periodic Water Levels

Depth to water level, feet below land surface

Approved Periodic Water Level Values

Begin Date

End Date

Number of Values

10/05/01

09/29/09

116

Highest WL	Date of Highest WL	Lowest WL	Date of Lowest WL
17.04	05/20/02	52.49	10/23/07

	Groundwater Levels Options
	View NWISWeb Groundwater levels page
	Download Groundwater levels in text format

Period of Record - All Data Types

Period of record plot for well 410628073413301

Summary Statistics for Period of Record - All Data Types

Depth to water level, feet below land surface

Begin Date

End Date

Number of Values

10/05/01

11/17/09

2,749

Highest WL	Date of Highest WL	Lowest WL	Date of Lowest WL
16.06	04/17/07	52.49	10/23/07

	Period of Record Options
	View annual monthly statistics for all data types
	Download Groundwater levels in text format of all data types

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URL: http://groundwaterwatch.usgs.gov/AWLSites.asp
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Last update: Monday, September 14, 2009 at 11:44