DIY Water Velocity Meter

Gather a wiffle ball and some string. Then, follow the directions provided by the Izaak Walton League Creek Freaks: http://www.saveourstreams.net/sites/default/files/attachments/physical%20monitoring%20instructions.pdf

Build

Instructions for building this tool at . The anticipated cost of materials to build this tool is Less than $20. It may take A few hours.

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About this tool
Description

This DIY water velocity meter gives an approximation of how quickly the water is moving. By multiplying this measurement by the area of the stream, on can calculate stream flow.
Used by these projects Creek Freaks - Engaging Youth in Water Quality, Volunteer Stream Monitoring Program
Ideal Age Group Elementary school (6 - 10 years), Middle school (11 - 13 years), High school (14 - 17 years), College, Graduate students, Adults, Families, Seniors
Training Learning materials are available online.
Size & weight Small: This tool would fit in a 6 inch cube.
Less than 13oz (a full soda can weighs a little less than 13oz)
Expected lifetime Should last a few weeks
Topics Nature & Outdoors, Ecology & Environment, Ocean, Water, Marine & Terrestrial
Tool updated Sept. 29, 2017, 6:36 p.m.