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Groundwater Watch

Site Number: 302957090274001 - Ta- 268

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Watch Help Page

DESCRIPTION:: Latitude 30°29'57", Longitude 90°27'40" NAD27
Tangipahoa Parish County, Louisiana, Hydrologic Unit 08070203; Land surface altitude: 35.00 feet above sea level NGVD29.
Well completed in "Coastal lowlands aquifer system" (S100CSLLWD) national aquifer.
Well completed in "HAMMOND AQUIFER" (122HMND) local aquifer

AVAILABLE DATA FROM NWISWeb:

Field ground-water-level measurements
Field/Lab water-quality samples
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 Louisiana Water Science Center; Email questions about this site to Louisiana Water Science Center Water-Data Inquiries

Site Statistics

Monthly statistics plot for 302957090274001

Most recent data value: -4.18 on 7/21/2009
Period of Record Monthly Statistics for 302957090274001
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 -3.90 -9.00 -21.98 -41.15 -86.28 -96.27 -120.60 30
Feb -5.60 -9.60 -23.65 -53.10 -86.55 -97.00 -99.10 29
Mar -7.70 -13.90 -25.50 -58.10 -90.80 -95.00 -101.20 29
Apr -0.70 -10.14 -14.68 -36.35 -81.73 -95.12 -98.40 36
May -0.68 -14.88 -26.60 -57.10 -91.00 -96.30 -101.00 25
Jun -17.50 -21.22 -32.10 -59.10 -88.30 -96.76 -100.00 27
Jul 0.64 -4.61 -11.13 -28.10 -75.28 -94.50 -99.30 42
Aug -0.10 -17.20 -24.35 -50.10 -89.40 -94.30 -99.60 29
Sep -15.50 -18.82 -34.85 -65.10 -91.50 -95.37 -98.90 21
Oct -2.90 -5.85 -14.30 -26.70 -80.60 -96.47 -128.00 35
Nov -9.70 -11.50 -28.55 -54.10 -84.20 -95.40 -96.80 29
Dec -6.10 -21.70 -27.50 -53.60 -88.15 -94.28 -95.40 25

Statistics Options

View month/year statistics

Periodic Groundwater Data

Groundwater hydrograph for well 302957090274001

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

10/21/56

07/21/09

359

Highest WL	Date of Highest WL	Lowest WL	Date of Lowest WL
-128.00	10/21/56	0.64	07/20/06

	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