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Groundwater Watch

Site Number: 452912122312801 - 01.00S/02.00E-14ABC01

Groundwater
Watch Help Page

DESCRIPTION:: Latitude 45°29'11.85", Longitude 122°31'28.76" NAD27
Multnomah County, Oregon, Hydrologic Unit 17090012; Land surface altitude: 229 feet above sea level NGVD29.

AVAILABLE DATA FROM NWISWeb:

Daily Data
Elevation above NGVD 1929, feet	1998-10-02	2009-03-17	3673
Daily Statistics
Elevation above NGVD 1929, feet	1998-10-02	2008-09-30	3540
Monthly Statistics
Elevation above NGVD 1929, feet	1998-10	2008-09
Annual Statistics
Elevation above NGVD 1929, feet	1999	2008
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 Oregon Water Science Center; Email questions about this site to Oregon Water Science Center Water-Data Inquiries

Site Statistics

Monthly statistics plot for 452912122312801

Most recent data value: 44.11 on 8/25/2009
Period of Record Monthly Statistics for 452912122312801
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 47.08 46.85 45.73 42.71 41.00 40.03 39.97 11
Feb 46.44 46.38 43.72 41.61 39.36 38.66 38.60 10
Mar 46.45 46.29 42.35 41.06 39.75 37.80 37.01 12
Apr 45.76 45.69 41.60 40.29 39.90 38.64 38.15 12
May 45.25 45.22 42.92 41.03 40.47 39.11 39.00 10
Jun 45.19 44.98 42.63 41.86 41.21 40.58 40.49 12
Jul 46.43 46.25 44.64 43.24 42.33 41.64 41.64 10
Aug 47.72 47.64 46.61 44.75 43.57 43.23 43.16 11
Sep 47.89 47.89 47.79 45.69 44.35 44.18 44.18 10
Oct 48.50 48.49 48.35 46.24 45.09 44.58 44.57 10
Nov 48.90 48.86 48.13 46.08 44.64 44.08 44.02 10
Dec 48.29 48.23 47.05 44.76 42.67 42.24 42.18 11

Statistics Options

View month/year statistics

Daily Groundwater Data

Most recent Provisional daily data value: 44.09 on 08/24/09
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
10/02/98	09/30/08		3,540	96
Max Level		Mean		Min Level
36.54		43.68		49.17

	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 452912122312801

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

04/06/70

08/25/09

Highest WL	Date of Highest WL	Lowest WL	Date of Lowest WL
37.90	02/24/99	48.69	10/29/02

	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 452912122312801

Summary Statistics for Period of Record - All Data Types

Depth to water level, feet below land surface

Begin Date

End Date

Number of Values

04/06/70

08/25/09

3,899

Highest WL	Date of Highest WL	Lowest WL	Date of Lowest WL
36.54	03/08/99	49.17	12/01/02

	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
Page Contact Information: OGW Webmaster
Last update: Monday, September 14, 2009 at 11:44