Protecting Our Wetlands

Preserving our future
Dedicated to the stewardship, restoration, and expansion of wetlands and associated wildlife habitats.

Petaluma Wetlands Alliance

We support Shollenberger Park, Alman MarshEllis 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

Fence Building

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.

Song sparrow in wetlands

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.

Cleanup crew working in 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

The Reading Nook, May 2023

The Reading Nook, May 2023

Article by David Sandri, PWA Librarian* May 2023 Hello and welcome to the first post for The Reading Nook – a monthly book review from our library, along with newsworthy items to do with nature. Let’s dive right in (like a diving duck!) to our first book – Spotlight...

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Owl box camera following 2 owls

Owl box camera following 2 owls

After cleaning out the large owl box in the dead Eucalyptus tree in October it has been occupied by same two owls consistently. Good chance this is now a formal pairing and we will be watching for eggs in early 2023. See this recent short video of their activity....

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There were 7 and now there are 5

There were 7 and now there are 5

The camera in the owl box at ECWRF has seen the laying of 7 eggs turn into 7 owlets growing white and then brown feathers. Len has been watching daily as have I and Len reports he believes the two largest owlets have fledged. There are 5 now in the box. It was pretty...

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PWA Celebrates Ciclovia: A Bike or Walk Event!

PWA Celebrates Ciclovia: A Bike or Walk Event!

On Sunday, July 17th, Petaluma Blvd. was closed to vehicles and opened to walkers and bikers, directing them to cross Washington to access Lynch Creek trail and travel across town to Lucchesi Park at the east side and Walnut Park on the west. Booths were set up in...

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Annual Picnic 2022

PWA held its 2022 annual picnic and meeting on Sunday, July 10th, under the redwoods at McNear Park. Several people expressed how good it felt to get together again, as many have either been inactive lately or doing work alone or just with one other person. The picnic...

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How You Can Help Right Now

Black-necked stilt wading in blue water

Join PWA

Get the Petaluma Wetlands Alliance quarterly newsletter sent directly to your inbox. Learn about our wetlands, keep abreast of the latest news, and find out about upcoming events

Volunteer

All of our members are volunteers, working together to preserve Petaluma’s public wetlands. Without your help, all of the gains of the last few years could disappear.

Closeup of muddy boots
Hummingbird gathering nectar

Donate

Your generous financial contribution provides critical support for our mission, including our work educating children about the value of our wetlands. Donate now with PayPal.

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