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Groundwater Watch

Site Number: 412417072541901 - CT-HM 449

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Watch Help Page

DESCRIPTION:: Latitude 41°24'17", Longitude 72°54'19" NAD27
New Haven County, Connecticut, Hydrologic Unit 01100004; Land surface altitude: 235 feet above sea level NGVD29.
Well completed in "New England crystalline-rock aquifers" (N600NECRSN) national aquifer.
Well completed in "NEW HAVEN FORMATION" (231NHVN) 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 Connecticut Water Science Center; Email questions about this site to Connecticut Water Science Center Water-Data Inquiries

Site Statistics

Monthly statistics plot for 412417072541901

Most recent data value: 19.94 on 9/29/2009
Period of Record Monthly Statistics for 412417072541901
Depth to water level, feet below land surface
All Approved Continuous & Periodic Data Used In Analysis
Note: Bold values in the table indicate closest statistic to the most recent data value.
Month Lowest
Level 10th
%ile 25th
%ile 50th
%ile 75th
%ile 90th
%ile Highest
Level Number
of
Years
Jan 17.85 17.72 17.45 15.64 14.60 12.46 11.49 16
Feb 17.11 16.92 15.88 15.17 14.58 13.18 11.70 15
Mar 17.55 17.18 15.53 15.10 14.25 13.29 12.75 15
Apr 17.48 17.42 16.91 15.01 14.22 13.73 13.60 15
May 18.40 18.39 17.57 17.40 15.65 14.03 13.57 14
Jun 19.55 19.37 18.84 18.41 16.47 14.48 13.07 16
Jul 21.17 20.67 20.25 19.58 17.95 16.21 14.76 16
Aug 21.53 21.20 20.58 19.82 18.17 16.15 15.03 15
Sep 20.94 20.81 20.05 18.99 15.97 14.42 13.90 16
Oct 21.25 20.79 20.09 16.92 14.80 14.04 13.65 15
Nov 24.28 24.25 18.83 15.25 14.63 14.47 14.46 14
Dec 26.61 21.78 15.99 15.31 14.40 13.52 12.57 15

Statistics Options

View month/year statistics

Periodic Groundwater Data

Groundwater hydrograph for well 412417072541901

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

01/07/93

09/29/09

221

Highest WL	Date of Highest WL	Lowest WL	Date of Lowest WL
11.02	01/29/96	26.61	12/28/01

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