Water/wastewater
Published over 16 years ago. See the latest and most current information on Water/wastewater.
The need to know the flow rate and level in rivers and streams has existed since man first attempted to harness the energy and benefits of flowing water for irrigation, drinking water, and other practical uses. Efforts to monitor river level had humble beginnings of a simple graduated stick that eventually gave way to the use of floats.
IET 36.2 Mar/Apr 2026
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