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

ER-19-1-2 (middle)
(small access tube)

No site id

01-11-1995

1,230.2

4,910

V

C, AT

1,508

 

01-24-1996

1,168.2

4,972

V

C, AT

1,570

 

 

02-27-1996

1,163.2

4,977

V

C, AT

1,575

 

 

03-22-1996

1,159.2

4,981

V

C, AT

1,579

 

 

06-20-1996

1,225.1

4,915

V

C, AT

1,513

 

 

 

07-31-1996

1,261.3

4,879

V

C, AT

1,477

 

 

09-11-1996

1,279.4

4,860

V

C, AT

1,459

 

 

12-12-1996

1,312.6

4,827

V

C, AT

1,425

 

 

03-17-1997

1,314.8

4,825

T

C, AT

1,423

 

 

06-11-1997

1,302.6

4,837

T

C, AT

1,435

 

 

 

09-23-1997

1,291.2

4,849

T

C, AT

1,447

 

 

12-08-1997

1,289.2

4,851

T

C, AT

1,449

 

 

03-16-1998

1,276.8

4,863

T

C, AT

1,461

 

 

06-16-1998

1,271.2

4,869

T

C, AT

1,467


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Last modified: Tuesday, July 18, 2000