California Code, Civil Code - CIV § 1882.3

(a) On premises controlled by the customer or by the person using or receiving the direct benefit of utility service, including through the use of a vehicle, there is either, or both, of the following:

(b) A person tampers with or uses a fire hydrant, fire hydrant meter, or fire detector check without authorization to obtain water and without paying the full lawful charge of the water.