Lawsuit launched over violations of the Endangered Species Act

LPOW recently signed on to a formal notice of intent to sue the U.S. Fish and Wildlife Service, Army Corps of Engineers and Trestle Creek Investments for approving a housing and marina development near Trestle Creek, one of the most important bull trout spawning streams in the Pacific Northwest.

Our Lake for Life

Ensuring our local waterways remain Drinkable, Fishable & Swimmable for Future Generations.

Find your drinking water source!

Use the interactive map on our new Drinking Water page to discover drinking water sources around Lake Pend Oreille and the Pend Oreille River. Learn about the protections in place to protect our water sources and how you can do your part to protect our precious resources!

Waterkeeper Alliance

Lake Pend Oreille Waterkeeper is a proud member of the WATERKEEPER® Alliance with more than 300 local Waterkeeper groups protecting water on six continents.

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To improve water quality by advocating and, when necessary, litigating for increased regulatory control of water pollution and for stronger enforcement of water quality-related laws.


Strengthen our monitoring programs to produce quality data that can be used by regulatory agencies or courts to improve water quality.

Education and Outreach

Expand education and outreach opportunities to engage greater numbers of people and influence a change in individual behaviors that cause water pollution and aquatic habitat degradation.

Read the Latest News & Press

Protect our waterways: Plant a rain garden!

Protect our waterways: Plant a rain garden!

Article written by Lily Simko, LPOW Volunteer Entering the smoky skies of fire season, rain is a wishful sentiment that will remain evasive in the weeks and months to come. So, while we soak in the hot days and watch the grass in our yards fade to yellows and browns,...

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As if Boyer Slough hasn’t had enough!

As if Boyer Slough hasn’t had enough!

While Bonner County's decision regarding changing the shoreline code has been seemingly postponed, the county’s ability to completely ignore certain environmental codes is prevalent. Boyer Slough, located just west of Kootenai Point on Lake Pend Oreille, faces...

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Who are we?

We protect the water quality of the Clark Fork/Pend Oreille Watershed so that our local waterways remain drinkable, fishable and swimmable for future generations.

How can you help?

We are a grass roots organization that depends on community support. Our volunteers & members are the heartbeat of our organization and your support is critical.

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