Public Resources Code section 3501

Any person, firm, corporation, or association who digs, drills, excavates, constructs, or owns, or controls a well from which natural gas flows shall, upon the abandonment of the well, cap or otherwise close the mouth of or entrance to the well in such a manner as to prevent the unnecessary or wasteful escape of natural gas into the atmosphere.
No person, firm, corporation, or association who owns or controls land in which such a well is situated shall wilfully permit natural gas flowing from the well wastefully or unnecessarily to escape into the atmosphere.

Source: Section 3501, https://leginfo.­legislature.­ca.­gov/faces/codes_displaySection.­xhtml?lawCode=PRC§ionNum=3501.­ (updated Jan. 1, 1939; accessed Jun. 30, 2025).

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Verified:
Jun. 30, 2025

§ 3501's source at ca​.gov