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.Learn More
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.Learn More
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!Learn More
Annual Groundwater Report - Water Year 2017
On March 20th, Napa County Public Works will provide a Groundwater Sustainability: Annual Report – Water Year 2017 to the Board of Supervisors, along with an accompanying report the Northeast Napa Management Area: An Amendment to the 2016 Basin Analysis Report for the Napa Valley Subbasin. The Annual Report summarizes activities implemented to improve the understanding of groundwater resource conditions and actions taken to ensure groundwater sustainability. The Northeast Napa Report provides additional detail about conditions in a proposed Northeast Napa Management Area, and establishes additional sustainable management criteria and actions to support continued groundwater sustainability in the Napa Valley Subbasin.Learn More
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