Section 116285 Of Article 1. Pure And Safe Drinking Water From California Health And Safety Code >> Division 104. >> Part 12. >> Chapter 4. >> Article 1.

. Before August 6, 1998, this chapter shall not apply to an irrigation canal system if the owner or operator of the system certifies to the department, and notifies each user, in writing, that the water is untreated and is being furnished or supplied solely for agricultural purposes to either of the following:
  (a) A user where the user receives the water, by pipe or otherwise, directly from the irrigation canal system.
  (b) A person who owns or operates an integrated pipe system where the person receives the water, by pipe or otherwise, directly from the irrigation canal system. "Irrigation canal system," as used in this section, means a system of water conveyance facilities, including pipes, tunnels, canals, conduits, pumping plants and related facilities operated to furnish or supply water for agricultural purposes where a substantial portion of the facilities is open to the atmosphere.