Fishing permit fee of $1 per day or $5 per year must be paid for persons 16 years or older. Daily fee must be submitted in the drop box at the boat launch. Yearly permit (calendar year) may be purchased, cash or check preferred, by mailing or bringing completed Lake Hennessey Boating and Fishing Permit Application (PDF) to:
City of Napa Water Division, 1700 Second Street, Suite 100, Napa, CA 94559
Fishing rules and limits are established by the California Department of Fish and Wildlife.