California Code of Regulations › Title 23 - Waters › Division 2 - Department of Water Resources › Chapter 1.5 - Groundwater Management › Subchapter 1 - Groundwater Basin Boundaries › Article 2 - Definitions › Section 341 - Definitions

Current through Register 2024 Notice Reg. No. 28, July 12, 2024
In addition to terms defined in the Sustainable
						Groundwater Management Act and in Bulletin 118, which definitions apply to
						these regulations, the following terms used in this Chapter have the following
						meanings:
(a) "Act" means the
					 Sustainable Groundwater Management Act (Part 2.74 of Division 6 of the Water
					 Code, beginning with Section
					 10720).
(b) "Administrative adjustment" means a basin
					 or subbasin boundary adjustment by the Department that either (1) amends
					 existing basin or subbasin boundary data files to accurately reflect an
					 unambiguous written basin or subbasin boundary description as defined in
					 Bulletin 118 or amended pursuant to this Part, or (2) restates the description
					 of a basin or subbasin boundary to more precisely reflect a mapped basin or
					 subbasin boundary consistent with the original description.
(c) "Affected agency" means a local agency,
					 as defined in Water Code Section
					 10721(m),
					 whose jurisdictional area would, as a result of a boundary modification,
					 include more, fewer, or different basins or subbasins than without the
					 modification.
(d) "Affected basin"
					 means a basin or subbasin that is the subject of a boundary modification
					 request and any basin or subbasin where the ability to achieve sustainable
					 groundwater management could be significantly affected by groundwater use or
					 management practices in another existing or proposed basin or subbasin. An
					 adjacent basin or subbasin is presumed to be an affected basin for purposes of
					 this Subchapter. The Department may determine a non-adjacent basin or subbasin
					 is an affected basin if convincing evidence shows that the hydraulic connection
					 to another basin or subbasin is likely to affect the ability of the
					 non-adjacent basin or subbasin to achieve sustainable groundwater management
					 over the planning and implementation horizon.
(e) "Affected system" means a public water
					 system, as defined in Water Code Section
					 10721(r),
					 whose service area would, as a result of a boundary modification, include more,
					 fewer, or different basins or subbasins than without the
					 modification.
(f) "Aquifer" refers
					 to a three-dimensional body of porous and permeable sediment or sedimentary
					 rock that contains sufficient saturated material to yield significant
					 quantities of groundwater to wells and springs, as further defined or
					 characterized in Bulletin 118.
(g)
					 "Basin" is defined in the Sustainable Groundwater Management Act as a
					 groundwater basin or subbasin identified and defined in Bulletin 118. For
					 purposes of this Chapter, unless the context indicates otherwise, those terms
					 are further defined as follows:
(1) The term
					 "basin" shall refer to an area specifically defined as a basin or "groundwater
					 basin" in Bulletin 118, and shall refer generally to an aquifer or stacked
					 series of aquifers with reasonably well-defined boundaries in a lateral
					 direction, based on features that significantly impede groundwater flow, and a
					 definable bottom, as further defined or characterized in Bulletin
					 118.
(2) The term "subbasin" shall
					 refer to an area specifically defined as a subbasin or "groundwater subbasin"
					 in Bulletin 118, and shall refer generally to any subdivision of a basin based
					 on geologic and hydrologic barriers or institutional boundaries, as further
					 described or defined in Bulletin 118.