Definitions of terms for the construction, repair, reconstruction, destruction or abandonment of wells shall be as set forth in Chapter II and in Appendix I, of the Department of Water Resources Bulletin No. 74, “Water Well Standards: State of California,” as modified and with additions herein.

    “Advisory board” means the well standards advisory board, consisting of three qualified persons, which may be appointed by the board of supervisors for two-year terms, ending twelve noon on the first Monday after January 1st of each odd numbered year. The matter of qualification lies solely within the discretion of the board of supervisors. In the event a well standards advisory board is not created, the board of supervisors shall assume the duties of said advisory board.

    “Board” means the board of supervisors of the county.

    “Cathodic protection well” means any artificial excavation constructed by any method for the purpose of installing equipment or facilities for the protection electrically of metallic equipment in contact with the ground, commonly referred to as cathodic protection.

    “Construction, reconstruction” means to dig, drive, bore, drill, or deepen a well, or to reperforate, remove, replace, or extend a well casing.

    “County” means the county of Alameda.

    “Destruction” means the proper filling, sealing, or otherwise rendering unusable a well that is no longer useful or has become hazardous to public health or safety, so as to assure that the groundwater is protected and to eliminate a potential physical hazard.

    “Director of public works” means the director of public works of the county and the county flood control and water conservation district.

    “Exploratory hole” means any artificial excavation constructed of any method for the purpose of determining subsurface geological or hydrological conditions.

    “Person” means any person, firm, corporation, municipality, district or public agency.

    “Public nuisance” means any well which threatens to impair the quality of groundwater or otherwise jeopardize the health or safety of the public.

    “Repair” means the deepening or enlargement of a well or the perforation or replacement of a casing or sealing-off of aquifers, or other work to improve or maintain the integrity o{ the well and its water-producing capacity.

    “Well” means any artificial excavation constructed by any method for the purpose of extracting water from, or injecting water into, the underground. This definition shall not include: (1) oil and gas wells, or geothermal wells constructed under the jurisdiction of the department of conservation, except those wells converted to use as water wells; or (2) wells used for the purpose of (a) dewatering excavation during construction, or (b) stabilizing hillsides or earth embankments. (Prior gen. code § 3-160.1)