California Code, Water Code - WAT § 5002

(a) The name of the person extracting ground water or diverting surface water.

(b) The quantity of water taken and the method of measurement used by such person or his predecessor in interest in each preceding year from each surface or ground water source;  provided, that if the period of such taking exceeds 10 years, such person is not required to state such quantities for any period greater than the preceding 10 calendar years.

(c) The location (sufficient for identification) of each surface or ground water source through or by means of which water has been taken, and if any person or persons other than the person filing said notice claims any interest in such source or the right to extract water therefrom, the name or names, so far as known, of such other person or persons.

(d) A general description of the area in which such water has been used.

(e) Any other facts which the board may require by general regulation and which tend to prove the facts required by this section to be stated, the origin of water supplying any ground water source mentioned in the notice, water levels in any such source, or the extent of any ground water basin from which such water is withdrawn.

(f) Any person diverting only surface water and not more than 25 acre-feet of ground water in any year need not file such notice for such year.

Notices, other than the first notice filed, shall state, in addition to the name of the person extracting or diverting such water:

First:  The quantity of water taken from each surface and ground water source from which such person received any water in the preceding calendar year.

Second:  Location of each such surface and ground water source through or by means of which water has been taken in such preceding year.  This may be stated, so far as applicable, by reference to the water sources described in the original notice.

Third:  If such person diverts surface water in excess of three miner's inches, such person shall further state in said notice the period or periods of such diversion, and the maximum and minimum flows so diverted in each period.

Fourth:  Any other facts which the board may require by general regulation, and which tend to prove facts required by this subdivision to be stated, the origin of water supplying any surface or ground water source mentioned in the notice, water levels or flow in any such source, or the extent or origin of the water source supplying the ground water supply from which such water is extracted.