Sierra Streams Institute’s mission is to link water, science and people for the benefit of human and environmental health.

Your support helps to turn our shared hopes for a healthy vibrant watershed and community into a reality. A gift in any amount makes a real difference.

Become a Sustaining Member

Join our Sustaining Member program with a monthly donation. Knowing we can count on your monthly financial support helps us administer our programs more effectively and focus more attention on putting the best science to work in our community.

Suggested Membership Levels:

Set your own recurring donation amount:

Make a One-time Donation

If you’d like information about other ways to donate, please contact Amber Aldrich, Finance and Operations Director, at

Sierra Streams Institute is a 501(c)3 non-profit organization. Donations are tax-deductible to the extent allowed by law. Tax ID # 68-0429132. We will not share your information.