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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.
New Well Owner Guide Available!
The new guide provides well owners important information on how to maintain their well, along with a general overview of well owner responsibilities, including the need to control and prevent potential contamination of our groundwater. The guide was produced by Napa County to help all of us protect our groundwater resources and our health.
Submit images for the 2018 Napa County Watershed Calendar!
The 2018 Calendar's theme is “Native Wildflowers of Napa County". To showcase Napa’s incredible floral diversity, we seek images from the community to feature in the calendar. Images should be high resolution. Deadline: Aug 1
events see all
Become a UC Master Gardener
Northern California Environmental Grassroots Fund
Deadline to Submit Your Wildflower Photos!
Region 1 Marin MWD Mount Tam Watershed Tour
Napa Volunteer Fair
Guided Tree Walk at Fuller Park
Wild Napa: Skunks
Second Annual CA Water Data Summit
news see all
Jul 26, 2017
Forest Service Offers Information on Recreation and Educational Resources
U.S. Forest Service
Jul 26, 2017
If I'm Using Less Water, Why Do My Rates Go Up? - Video
Alliance for Water Effeciency
Jul 9, 2017
Deadline Extended to Create Bigger South Napa County Hiking Park
Barry Eberling, Napa Valley Register
Jun 27, 2017
Hiking the Napa River Bay Trail
Rachel Andrews, Napa Valley Register