The design and construction of domestic water systems shall be in accordance with the current Marin County “Rules and Regulations for Establishing Minimum Domestic Water Supply Requirements Pursuant to Marin County Code Chapter 7.28” adopted by resolution of the Marin County Board of Supervisors and the provisions of the most current edition of the Uniform Building Code adopted by the City of Larkspur. Storage tanks must be contained within the primary building structure. (Ord. 803 § 1 (part), 1990)