Ordinance #541 Area In 1977, ordinance #541 adopted expanding the Ag Preserve in north Napa area by approximately 1,300 acres. Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Like this:Like Loading... Related Submit a CommentYour email address will not be published. Required fields are marked *Comment * Name Email Website Save my name, email, and website in this browser for the next time I comment. Notify me of follow-up comments by email. Notify me of new posts by email.