1. (a) The following diverters shall use a measuring device or employ a measurement method capable of measuring the rate of diversion, rate of collection to storage, the rate of withdrawal or release from storage, and the total volume of water diverted or collected to storage, and shall submit the resulting data to the board in accordance with sections 939.1 through 939.6:

   1. (1) Any person authorized to divert greater than 10 acre-feet of water per year under a permit or license.
   2. (2) Any person who has previously diverted or intends to divert greater than 10 acre-feet of water per year and is required under Water Code Part 5.1 to file a statement of water diversion and use.
   3. (3) Any person authorized to divert greater than 10 acre-feet of water per year or to have a storage facility with a capacity greater than 10 acre-feet under a registration.
2. (b) A diverter with multiple claimed water rights shall use a measuring device or employ a measurement method for all claimed water rights to divert from the same point of diversion or serving the same place of use if the sum of the diverter's multiple claimed water rights to divert from the same point of diversion or serving the same place of use exceeds 10 acre-feet per year. Measurement methods employed by a diverter with multiple claimed water rights shall be capable of measuring the rate of diversion, rate of collection to storage, the rate of withdrawal or release from storage, and the total volume of water diverted or collected to storage. The diverter shall submit the resulting data to the board in accordance with sections 939.1 through 939.6.

Note: Authority cited: Sections 1058, 1840 and 1841, Water Code. Reference: Sections 13, 1122, 1123, 1846 and 5103, Water Code.

History

1. Renumbering of former section 932 to section 939.3, including amendment of section heading and section, filed 1-21-2026; operative 2-1-2026 pursuant to Government Code section 11343.4(b)(3) (Register 2026, No. 4).