Fill out the form below to become a member. If you opt to pay online you'll be redirected to our payment portal. If you would rather be invoiced choose that option below, we'll email instructions once you hit submit.
Your membership directly supports specific efforts of the League. Since 1964 the League has been working toward a fully developed Columbia Basin Project that supports a robust regional and state economy and quality of life through efficient, well-maintained, affordable infrastructure and sustainable environmental stewardship.
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