January 2013 Volume 55 Number 1
Cover
	Hydrodynamic Design, Part 1: Pressure - Defined by C.F. 'Chubb' Michaud, CWS-VI  Pages: 20-24 There are two very important considerations in the design of a water filter. One is that the performance characteristics of the media selected are matched to the job.  read more
Features
	Emerging Contaminant Found in High Levels Leaves Small Town Searching for a Solution by Nathan Mertins, CWS-1  Pages: 26-28 Residents in a small town located in southeastern Wisconsin are no strangers to challenging water quality conditions.  read more
Web Exclusive
Columns
	Creative Marketing: Two Timely Concepts Coverage...The New Water Cycle and The Final Barrier by Davd H. Martin  Pages: 12-14 read more   Dealer Profile: By the Numbers: Business Acumen, Philosophy and Service Add Up for Crystal Clear Water by R. E. Schingoethe  Pages: 30-32 read more   Executive Insight: Harwil Corporation: From the Garage to Major Manufacturing by Denise M. Roberts  Pages: 34 read more   Water Matters: The Significance of On/Off Cycling in Testing POU Filter Systems by Rick Andrew  Pages: 36-38 read more   On Tap: Aichi Virus: Possible Agent of Unexplained Cases of Waterborne Diarrhea by Kelly A. Reynolds, MSPH, PhD  Pages: 40-42 read more   Viewpoint: Let's try it again by Kurt C. Peterson, Publisher  Pages: 6 read more