Protecting Our Wetlands
Preserving our futureDedicated to the stewardship, restoration, and expansion of wetlands and associated wildlife habitats by preserving our future through classroom and field education that inspires youngsters to become stewards of our wetlands.
Petaluma Wetlands Alliance
We support Shollenberger Park, Alman Marsh, Ellis Creek Wastewater Treatment property, and future wetland sites in the Petaluma River watershed. We work with local governments, environmental organizations, and other groups to educate the public about the ecology and value of wetlands.
Photography courtesy of Bob Dyer, Tim Fleming, Gerald Moore, Len Nelson, Thomas Reynolds and Ron Storey
About Petaluma Wetlands Alliance

What is PWA?
Petaluma Wetlands Alliance (PWA) was formed by a concerned group of citizens who banded together in the late 1990’s during the planning and construction of a new wastewater treatment plant in Petaluma, California. We work with schools, government agencies and environmental organizations to help preserve wetlands habitat.

What are Wetlands?
Wetlands are among the world’s most productive ecosystems, providing critical habitat for many plant and animal species. In essence, wetlands are the zones between the land and large bodies of water such as rivers, lakes, or oceans, where water tends to stand for prolonged periods of time. Swamps, marshes and bogs are all examples of wetlands.

How Can I Help?
We’re glad you asked! There are a number of ways you can support the PWA. Financial contributions are always welcome. Since we are a 501(c)(3) organization, your donation may be tax-deductible. If you like to meet and talk with people, check out our our docent program. Or, pick up a shovel and come help us remove invasive weeds as a volunteer.
Latest News
From the Editors at Petaluma Wetland Alliance
Barn Owl Fledglings at ECWRF
Len Nelson went to view the owl box at Ellis Creek Water Recycling Facility with the owl cam at dusk and observed two young owlets poking their heads out of the owl box hole. He had to use very low settings and added time to get this shot on June 13, 2021.
STRAW and CGHS Native Plant Nursery
Clark Miller of the Argus Courier published his article today on the Native Plant Nursery that John Shribbs, current PWA President, created at Casa Grande High School while he was a teacher there and now taken over by STRAW, Students and Teachers Restoring a...
Pozo Family gather at their bench together for first time.
Jerry and Diane Pozo finally were able to bring their family out to their new bench after all were vaccinated. This is the new style and material of bench that is guaranteed for 50 years. They are birdwatchers and love to view the birds in the mudflat the bench faces....
How You Can Help Right Now
