Featured ARTICLES
17 Dealing with Problem Waters
By Jennifer Strawn
Know how to minimize mistakes
and keep your customers loyal.
20 On Target
By Gary L. Hix, RG, CWD/PI
Straight wells require straight drilling
methods.
25 Bentonite for Geosynthetic
Liners
By Heather Otell and Eric Frantz
The use of geosynthetic liners
began in Europe in the 1970s.
28 Estimated Groundwater Use
in 2010 in the United States
By Kevin McCray, CAE
Withdrawals of groundwater declined,
continuing a trend beginning in 2000.
32
By Michael C. Alfieri, PG, P.Hg., CGWP,
and Babs Makinde, PE, D.WRE
Section 7 (Testing for Performance)
Section 8 (Data Recording)
MARCH 2015
VOL. 69, NO. 3
About the cover: A crew from Straub Corp. works on
a project in West Texas. Casing was installed and sealed
with bentonite cement grout, but during the curing
period of the grout the casing failed from excess heat.
The drilling crew drilled out the casing and cement
and installed new material. Photo submitted by
Raymond L. Straub Jr., PG, of Straub Corp. in Stanton, Texas.
2 March 2015 WWJ
waterwelljournal.com
