featured see all
Harmful Algal Blooms
As the weather heats up, Napa County officials urge recreational water users to avoid close contact with bodies of water containing blue-green algae.
Lake Berryessa Invasive Mussel Inspection Program
Boaters visiting Lake Berryessa are required to comply with screening and inspection to prevent the introduction of invasive zebra or quagga mussels. Boaters are asked a series of questions by trained staff to determine if further inspection or decontamination is needed to prevent the spread of these invasive mussels.
Calling for 2019 Watershed Calendar Images!
The 2019 Watershed Education Calendar's theme is “Birds of Napa County."
To showcase Napa’s incredible avian diversity, we are seeking images from the community to feature in the 2019 calendar. Grab those cameras and bird books! Please review the submission guidlines. Deadline is August 1st!
events see all
Informational meeting for vineyard owners and managers
Informational Meeting on Water Board Vineyard Permit
Webinar: Outdoor Water Use and Green Infrastructure
Nature and You Lecture: Wildfires and their Aftermath
Wild Saint Helena: Otters
California Extreme Precipitation Symposium
Webinar: Septic Systems 101
news see all
Jun 13, 2018
Annual Watershed Health Indicator and Data Science Symposium
Jun 12, 2018
Clean Streams Key to Aiding Recovery of Endangered Frogs in California
By Matt Weiser, Water Deeply
Jun 7, 2018
The West's Sleeping Giant: Abandoned Mines and the role of the Good Samaritan
By Megan Glatzel & Bea Gordon, Stanford Water in the West
Jun 6, 2018
The Price of Water
Brett Walton, Circle of Blue