Featured ARTICLES
25 Larger Microorganisms
in Well Systems
By Michael Schnieders, PG, PH-GW
It's important to understand and
monitor the millions of microorganisms
in water wells.
29 Volatile Organic Compounds,
PFOA, and PFOS Contaminants
By Brad Walsh
Every well drilled is an opportunity to
provide a total solution for your
customer.
32 Well Swaging: An Alternative
Approach to Water Well Lining
By Todd E. Kerry and Ahmad T. Hamdan, PE
Swaging can extend the well service life
and improves water quality while
minimizing maintenance costs and
service downtime.
July 2020
Vol. 74, No. 7
waterwelljournal.com
About the cover: A jobsite is set up for a well to be constructed
for a ranger station in the Delaware Water Gap National Recreation
Area in East Stroudsburg, Pennsylvania. The contractor is Williams
Well Drilling in Shohola, Pennsylvania. Williams offers well drilling
services, pump installation and repair, and safe-blast hole drilling.
The Delaware Water Gap National Recreation Area covers 70,000 acres
in Pennsylvania and New Jersey. Photo courtesy Ray Eccleston.
2 n July 2020 WWJ
