Water Code § 31636
CHAPTER 7. Coachella Valley Water District Water Replenishment Assessments
If the district has an agreement with any producer whereby the district regularly reads and maintains the water-measuring devices which record the production of such producer, the producer shall be exempt from the provisions of Section 31634.5. In lieu thereof, the district shall send such producer notice of its production and the amount of the replenishment assessment or installment due.