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Lake Forest Park volunteers, college interns map small tributaries to spot water-quality “hot spots”
Summary
A volunteer-led internship in Lake Forest Park is collecting early water-quality data across dozens of small tributaries to MacAlister and Lyon creeks, aiming to produce publicly available maps and identify local sources of pollution that could affect salmon habitat.
Brian Saunders, a Lake Forest Park resident and representative of the Lake Forest Park Stewardship Foundation and an instructor at North Seattle and Shoreline Community College, told the forum that a King County Water Works grant funded an internship to sample dozens of small tributaries feeding MacAler and Lyon creeks.
“The stewardship stream initiative ... is the beginning of what we call the use it program, which is the urban stream ecology internship,” Saunders said, describing a monthly sampling program that uses Department of Ecology methods and the Ecology water-quality index to score sites on eight parameters.
The student intern, Alex Cordova of North Seattle College, described field methods: a multi-parameter probe for pH, temperature, turbidity and dissolved oxygen, a colorimeter for suspended solids, and reagent/colorimetric tests for nitrates and…
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