WRIR 00-4014
Quality Assurance and Analysis of Water Levels in Wells on Pahute Mesa and Vicinity, Nevada Test Site


CONTENTS

Abstract
Introduction
Water-Level Measurements
Sources of Water-Level Fluctuations
Analysis of Water Levels

Summary
References Cited
Appendix 1
Appendix 2

Appendix 2. Water-level measurements for selected wells on Pahute Mesa and vicinity, Nevada Test Site, 1963-98

Method used to determine depth to water: L, interpreted from geophysical log; R, reported, method not known; S, calibrated steel-tape measurement; T, calibrated electric tape; V, calibrated electric cable (wire line or iron horse).

Quality-assurance flag: A, anomalous value; AT, water level does not agree with second access tube in same open interval; C, affected by  well construction, queried where uncertain; D, dry hole; H or L, static water level in well is elevated above (H) or depressed below (L) regional ground-water level; R, well pumping or recently pumped; N, water level affected by nuclear test; X, water level corrected for borehole deviation; --, no flag applied

Water above bottom of open interval: length of water column in well from top of water to bottom of open interval listed in table 1.

USGS
well name
USGS site
identification
number
Water-level measurement Water above
bottom of
 open interval
(feet)
Date Depth below
land surface
(feet)
Altitude
(feet above
sea level)
Method Quality-
assurance
flag

U -19bj

371736116184701

09-24-1992

2,127.2

4,908

V

C,H

26

 

 

09-29-1992

2,127.8

4,907

V

C,H

25

 

 

10-07-1992

2,128.1

4,907

V

C,H

25

 

 

06-03-1993

2,131.1

4,904

V

C,H

22

 

 

07-14-1993

2,131.4

4,904

V

C,H

22

 

 

09-09-1993

2,131.9

4,903

V

C,H

21

 

 

 

11-16-1993

2,133.1

4,902

V

H

20

 

 

03-09-1994

2,133.0

4,902

V

H

20

 

 

04-19-1994

2,133.1

4,902

V

H

20

 

 

06-21-1994

2,133.3

4,902

V

H

20

 

 

07-14-1994

2,133.1

4,902

V

H

20

 

 

 

08-08-1994

2,133.5

4,902

V

H

20

 

 

09-14-1994

2,133.4

4,902

V

H

20

 

 

10-18-1994

2,133.7

4,901

V

H

19

 

 

05-31-1995

2,133.8

4,901

V

H

19

 

 

11-29-1995

2,134.6

4,900

V

H

18

 

 

 

07-16-1996

2,134.5

4,901

T

H

19

 

 

12-12-1996

2,134.7

4,900

V

H

18

 

 

08-27-1997

2,134.5

4,901

T

H

19

 

 

07-15-1998

2,134.8

4,900

T

H

18

 

 

12-03-1998

2,134.9

4,900

T

H

18

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Last modified: Tuesday, July 18, 2000