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Focus on Flow Newsletter

Hach Company

Industry Associations


ASCE - American Society of Civil Engineers

AWWA - American Water Works Association

ISA - Instrument Society of America

WEF - Water Environment Federation

WWEMA - Water & Wastewater Equipment Manufacturers Association

Water/Wastewater Industry Publications


Municipal Sewer & Water

Water & Waste Digest Magazine

Water Utility Infrastructure Management

WaterWorld Magazine

US Government Links


US Army Corps of Engineers

US EPA - US Environmental Protection Agency

USGS - US Geological Survey

Online Calc

Online Calculator

On-line open channel
& full-pipe flow calculator for pros in the water & wastewater field.

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P.O. Box 389, Loveland, CO 80539-0389 U.S.A.
Toll Free US & Canada • 970.622.7120 Outside US & Canada • 800.635.1230 24/7 Technical Support