Corporations Code § 14318
CHAPTER 2. Mutual Water Companies Formed in Connection With Subdivided Lands
The mutual water company shall be financially responsible for the maintenance, repair, or replacement of fire hydrants. A mutual water company shall perform and record annual flow tests pursuant to Section 14317 or, in lieu of the annual flow test under Section 14317, any test to determine available flow performed by a fire protection agency. The recorded test results shall become part of the mutual water company’s books and records.