Table of Contents

The introduction of non-native aquatic plants and excessive plant nutrients have created many aquatic plant problems for lakes and streams in Washington. Follow the links to learn about methods that are used to manage aquatic plants in Washington. See the strategies used to eradicate and/or control Eurasian watermilfoil in Washington.

Eurasian Watermilfoil Eradication and Control Strategies

Manual Methods

Mechanical Cutting

Bottom Screening

Instructions for Installing Bottom Screens (Barriers)

A Bottom Screening Project in Lake Leland

Automatic Plant Control Products (Sediment Agitation)

Grass Carp

Biological Control

The Milfoil Weevil (Euhrychiopsis lecontei) in Washington

Diver Dredging

Water Level Drawdown



Aquatic Herbicides

An Innovative Approach to Using Aquatic Herbicides

Aquatic Vegetation Survey Methods

A Citizen's Manual for Developing Integrated Aquatic Vegetation Management Plans

Advantages and Disadvantages of Aquatic Plant Management Techniques by Dr. John Madsen (outside link)

The Washington Lake Book

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