American Canyon Initiative L—Green Island Vineyard Update, by Scott Thomason
February 12, 2026
Update on the efforts to turn Green Island Vineyard into industrial/residential usage with a new Measure L.
Protecting Endangered Chinook Salmon in Vintage High School’s Creek, by Arya Adhye and Claire Mulligan
September 19, 2025
Back in the early months of this year, we decided to start a project to increase awareness of the creek, with a particular focus on endangered chinook salmon that spawn in it. This was also part of our internship program with the Napa Sierra Club....
Diving into Conservation: Fish Monitoring with Napa RCD, by Helena Falk, Napa Sierra Club Student Intern
May 30, 2025
On May 10th, I had the opportunity to join the Napa Resource Conservation District (RCD), along with Nick Cheranich, for a hands-on demonstration in fish monitoring along Napa County’s vital Napa River. Led by field researcher Martin Perales, the...
Napa’s Groundwater: Past, Present, and Future, by Arya Adhye
November 27, 2024
To understand anything about Napa’s use of water, we must understand where our water comes from and where it goes. Read on.
The Napa Group to Take Part in Wetland's Watershed Explorers Program, by Chris Benz
July 25, 2023
The American Canyon Wetlands are a marvelous place to be on a May morning: open, expansive views over the marshes, the tang of saltwater from the incoming tide, and a cacophony of birdsong. They are also a dynamic classroom for the fourth graders...
Wetlands Restoration in Napa County, by Chris Benz
July 24, 2023
One hundred and fifty years ago the Bay was surrounded by tidal marshes, but today only about 10% of those remain. Marshes were diked and drained for use for agriculture, salt production, and landfills. Fortunately, the North Bay has had many of its...
Whetting Interest in Wetlands Restoration, Part 1, by Chris Benz
July 24, 2023
This article describes what the Napa Group learned about the importance of local efforts to restore tidal wetlands in Napa County. The first opportunity to share these stories with our community took place at a trailside “pop-up” event on July 25 at...
White Paper on Water Sustainability Management, by the Sierra Club Napa Group
August 26, 2022
Far from exhaustive, this list of necessary actions is essential to beginning a path to a sustainable water management system within Napa County. Decisive leadership is required to address the crisis we are heading toward.
Napa Sierra Club's Final Response to the CA Dept. of Water Resources Regarding the Napa Valley Subbasin GSP
March 20, 2022
The Sierra Club Napa Group is commenting on omissions in the Napa Valley Subbasin Groundwater Sustainability Plan. These omissions include lack of recognition that groundwater in the Subbasin is currently being over-drafted, lack of recognition...
Napa’s Water Plan Challenge: Our View, by Roland Dumas, PhD
February 2, 2022
Why do we care and wish to participate when the official groundwater planning process is populated by many interested and expert individuals selected by the county? It’s because we see a difference between the values of the Sierra Club and the...