California Code, Public Resources Code - PRC § 3205.2

(a) Notwithstanding Section 3204, any person who engages in the operation of a class II commercial wastewater disposal well, as defined in subdivision (d), shall file an indemnity bond with the supervisor for one hundred thousand dollars ($100,000) for each well so used.  The bond shall cover all operations of drilling, redrilling, deepening, altering casing, maintaining, or abandoning the well and attendant facilities.  The bond shall be executed by the person as the principal, and by an authorized surety company as the surety, and, except for differences in the amount, shall be in substantially the same language and upon the same conditions as provided in Section 3204.

(b) A blanket bond submitted under subdivision (a) of Section 3205 may be used in lieu of the bond required in subdivision (a), except that the termination and cancellation shall be in accordance with subdivision (c) of this section.

(c) Notwithstanding Section 3207, any bond issued in compliance with this section may be terminated and canceled and the surety relieved of all obligations thereunder when the well is properly abandoned or another valid bond has been substituted therefor.

(d) A class II commercial wastewater disposal well is a well that is used to dispose of oilfield wastewater for a fee and that is regulated by the division pursuant to this chapter and Subpart F (commencing with Section 147.250) of Part 147 of Title 40 of the Code of Federal Regulations.