Implementing a Watershed Plan for Lake Stevensby Gene N. Williams, Snohomish County Public Works, Everett, United States,
Abstract: The water quality of Lake Stevens is declining because of watershed nonpoint pollution and cycling of nutrients from lake sediments. Hypolimnetic aeration and an alum treatment are proposed to address internal nutrient cycling. A watershed plan identified 87 measures to control nonpoint pollution. Successful implementation of the watershed measures has been hampered by the jurisdictional complexity of some measures, the difficulty of changing everyday behaviors, inadequate funding, and vague responsibilities. It is unknown if citizens and agencies can clear these hurdles.
Subject Headings: Water pollution | Water quality | Watersheds | Lakes | Nonpoint pollution | Nutrients | Aeration
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