Cal. Water Code - WAT § 400. Section 400.
This chapter shall be known and may be cited as the California Weather Resources Management Act of 1984.
ARTICLE 1. General Provisions [400. - 402.]
Cal. Water Code - WAT 1.
in effectCal. Water Code - WAT § 401. Section 401.
It is hereby declared that atmospheric water within the state which is caused to fall by weather resources management activities shall, for the purpose of water rights determinations, be considered as if it occurred as natural precipitation.
Cal. Water Code - WAT § 402. Section 402.
As used in this chapter:
(a)
“Weather resources management” means attempting to produce by physical means any of the following: cloud water conversion, light adjustment, or weather hazard suppression. Weather resources management does not include agricultural frost protection or inadvertent weather modification.
(b)
“Weather resources management project” or “project” means the performance of weather resources management with a specified purpose within a specified geographical area over a specified time interval.
Source: CA Legislative Counsel Bulk DataURL: https://downloads.leginfo.legislature.ca.gov/pubinfo_2025.zipFetched: 6/27/2026