Effective, Eco-Friendly Milfoil Control That Lasts Our premium Benthic Screen Treatment eliminates milfoil for 12+ months—without chemicals—keeping your lakefront clear, balanced, and beautiful.

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What Is a Benthic Screen Treatment?

A benthic screen is a durable, eco-safe barrier placed temporarily along the lake bottom to starve invasive milfoil of sunlight. Over a short 4–8 week period, the screens naturally eliminate the plants beneath them—without disturbing native species or harming aquatic life.

At Milfoil Management NW, we use this method for long-term control of persistent milfoil infestations. Each treatment is customized to your shoreline conditions and installed by experienced divers who ensure precision and minimal disruption.

Our Benthic Screen Process

Site Evaluation - We inspect your lakefront to determine the best areas for screen placement and define the scope of treatment.

Installation - Our divers install high-grade, weighted screens that rest flush against the lakebed, effectively blocking sunlight to the milfoil below.

Monitoring - After 4–8 weeks, we return to remove the screens, ensuring all targeted milfoil has decomposed.

Follow-Up Care - Optional monitoring and maintenance programs ensure continued clarity and protection throughout the season.

Protect Your Shoreline for the Long Term

Reclaim your waterfront with a proven, natural solution to invasive milfoil.

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Serving Waterfront Communities Across the Greater Seattle Area

We proudly provide benthic screen treatments for lakefront properties across:

No matter your location, we deliver discreet, professional service designed for homeowners who expect quality, precision, and care.