Public Resources Code section 3635.3

“Pool” means an underground reservoir containing, or appearing at the time of determination to contain, a common accumulation of crude petroleum oil or natural gas or both. Each zone of a general structure which is separated from any other zone in the structure is a separate pool.

Source: Section 3635.3, https://leginfo.­legislature.­ca.­gov/faces/codes_displaySection.­xhtml?lawCode=PRC§ionNum=3635.­3.­ (updated Jan. 1, 1971; accessed Nov. 17, 2025).

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Verified:
Nov. 17, 2025

§ 3635.3's source at ca​.gov