Featured ARTICLES
15 Open Loop Geothermal System
Survey
By Jeff Persons, CGD
Part 1: Finding out what system is best
for your job site.
19 Don't Lose Your Shirt
By Jennifer Strawn
Don't make these five mistakes that
could be eating into your profits.
22
By Roger Peery, CPG, PG
Section 5 (Plumbness and Alignment)
Section 6 (Well Development)
26 When a Tortoise Needs More
Than a Shell for Protection
By Tom Moffitt
Contractor uses environmentally
responsible drilling practices in
California threatened species
habitat area.
30 What a Return
By Mike Price
The 2014 NGWA
®
Groundwater Expo
and Annual Meeting was back in
Las Vegas and achieved its strongest
attendance since 2008.
FEBRUARY 2015
VOL. 69, NO. 2
About the cover: A large geothermal residential project
begins in the fall of 2014 in Big Sky, Montana. The
project was completed in the winter and consisted of
10 400-foot borings through difficult drilling conditions.
The drilling crew encountered everything from fractured
bedrocks to other varying varieties of more competent
bedrock. Photo courtesy Bergerson-Caswell Inc. in
Maple Plain, Minnesota.
2 February 2015 WWJ
waterwelljournal.com
