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Groundwater Watch

Site Number: 423257071243702 - MA-WWW 160 WESTFORD, MA

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Watch Help Page

DESCRIPTION:: Latitude 42°32'57", Longitude 71°24'37" NAD83
Middlesex County, Massachusetts, Hydrologic Unit 01070005; Land surface altitude: 218.88 feet above sea level NGVD29.
Well completed in "Sand and gravel aquifers (glaciated regions)" (N100GLCIAL) national aquifer.
Well completed in "STRATIFIED DEPOSITS, UNDIFFERENTIATED" (112SRFD) 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	2005	2008	4

OPERATION:: Record for this site is maintained by the USGS Massachusetts Water Science Center; Email questions about this site to Massachusetts Water Science Center Water-Data Inquiries

Site Statistics

Monthly statistics plot for 423257071243702

Most recent data value: 10.78 on 11/23/2009
Period of Record Monthly Statistics for 423257071243702
Depth to water level, feet below land surface
Month Average
Monthly
Minimum
Monthly
Median Average
Monthly
Maximum Number
of
Months
Jan 10.43 10.98 11.91 6
Feb 10.32 10.90 11.53 6
Mar 9.95 10.28 10.99 7
Apr 9.86 10.53 11.01 8
May 10.30 10.68 10.91 7
Jun 10.41 11.03 11.44 8
Jul 10.64 11.54 11.75 7
Aug 10.99 11.50 12.98 8
Sep 10.89 11.75 12.92 9
Oct 9.89 11.20 12.56 9
Nov 10.47 11.03 12.40 8
Dec 10.20 10.75 12.55 7

Periodic Groundwater Data

Groundwater hydrograph for well 423257071243702

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

09/19/01

11/23/09

Highest WL	Date of Highest WL	Lowest WL	Date of Lowest WL
9.56	03/30/05	12.98	08/27/02

	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