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Groundwater Watch

Site Number: 423641071102501 - MA-AJW 462 ANDOVER, MA

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Watch Help Page

DESCRIPTION:: Latitude 42°36'41", Longitude 71°10'25" NAD27
Essex County, Massachusetts, Hydrologic Unit 01070002; Land surface altitude: 110 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 423641071102501

Most recent data value: 14.87 on 11/23/2009
Period of Record Monthly Statistics for 423641071102501
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 18.66 15.76 15.27 14.85 14.16 13.58 12.77 30
Feb 19.75 16.07 15.38 14.73 14.07 13.88 12.90 32
Mar 16.13 15.36 14.85 14.30 13.82 13.22 11.83 32
Apr 18.64 15.65 14.72 14.18 13.83 12.48 11.90 32
May 20.76 15.81 14.70 14.40 13.79 13.09 12.63 33
Jun 21.60 16.14 15.03 14.60 14.16 13.17 11.72 33
Jul 22.56 16.30 15.33 14.96 14.56 13.87 12.90 33
Aug 21.75 16.68 15.44 15.11 14.62 14.33 13.42 32
Sep 20.67 16.47 15.69 15.24 14.92 14.30 13.99 32
Oct 20.70 16.47 15.79 15.17 14.35 13.98 13.63 32
Nov 20.30 16.36 15.73 15.13 14.30 13.99 13.68 32
Dec 16.94 16.23 15.38 14.66 14.12 13.39 12.35 30

Statistics Options

View month/year statistics

Periodic Groundwater Data

Groundwater hydrograph for well 423641071102501

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

03/30/77

11/23/09

388

Highest WL	Date of Highest WL	Lowest WL	Date of Lowest WL
11.72	06/20/84	22.56	07/28/94

	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