USGS -- Water Resources of the United States

USGS Home
Contact USGS
Search USGS

Groundwater Watch

Site Number: 390434076573002 - MO Eh 20

Groundwater
Watch Help Page

DESCRIPTION:: Latitude 39°04'34", Longitude 76°57'30" NAD27
Montgomery County, Maryland, Hydrologic Unit 02070010; Land surface altitude: 405 feet above sea level NGVD29.
Well completed in "Piedmont and Blue Ridge crystalline-rock aquifers" (N400PDMBRX) national aquifer.
Well completed in "LOCH RAVEN SCHIST" (370LCRV) 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	2008	3

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

Site Statistics

Monthly statistics plot for 390434076573002

Most recent data value: 13.60 on 10/26/2009
Period of Record Monthly Statistics for 390434076573002
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 14.83 14.21 13.44 12.34 10.96 10.20 8.04 44
Feb 15.15 13.76 12.74 11.57 10.86 9.93 9.09 49
Mar 14.59 12.97 12.28 11.23 10.10 9.51 8.27 50
Apr 14.14 13.20 12.48 11.35 10.80 9.57 8.57 50
May 14.69 13.39 13.00 12.02 11.10 9.79 9.51 49
Jun 15.62 14.12 13.55 12.74 12.01 11.26 4.39 54
Jul 16.65 15.00 14.00 13.41 12.54 11.12 9.86 51
Aug 17.60 15.76 15.19 14.00 12.44 11.76 11.31 50
Sep 17.90 15.68 14.99 14.09 13.03 11.78 9.22 48
Oct 16.61 15.61 14.86 13.68 13.17 11.15 9.91 50
Nov 15.56 15.37 14.71 13.50 12.71 11.20 9.88 44
Dec 15.41 14.48 13.74 12.97 11.71 10.43 9.61 51

Statistics Options

View month/year statistics

Periodic Groundwater Data

Groundwater hydrograph for well 390434076573002

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

03/11/55

10/26/09

676

Highest WL	Date of Highest WL	Lowest WL	Date of Lowest WL
4.39	06/25/72	18.03	09/26/02

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

Accessibility FOIA Privacy Policies and Notices

U.S. Department of the Interior |U.S. Geological Survey
URL: http://groundwaterwatch.usgs.gov/AWLSites.asp
Page Contact Information: OGW Webmaster
Last update: Monday, September 14, 2009 at 11:44