California Code of Regulations
Title 23 - Waters
Division 3 - State Water Resources Control Board and Regional Water Quality Control Boards
Chapter 4.6 - Watershed Protection and Information
Article 1 - Clear Lake Watershed
Section 1050 - Definitions

(a) "Clear Lake Watershed" refers to the collective area within the following watersheds as defined by the National Watershed Boundary Dataset 12-digit Hydrologic Unit Codes: Thurston Lake (180201160301), Cole Creek (180201160302), Kelsey Creek (1802011603), McGaugh Slough-Frontal Clear Lake (180201160305), Adobe Creek (180201160304), Manning Creek-Frontal Clear Lake (180201160306), Rodman Slough-Frontal Clear Lake (180201160307), Lower Scott's Creek (180201160104), Middle Scott's Creek (180201160103), Upper Scott's Creek (180201160102), South Fork Scott's Creek (180201160101), Salt Flat Creek -- Middle Creek (180201160204), West Fork Middle Creek (180201160202), East Fork Middle Creek (180201160201), Clover Creek (180201160203), Burns Valley -- Frontal Clear Lake (180201160309), Schindler Creek -- Frontal Clear Lake (180201160308), Copsey Creek (180201160601), Seigler Canyon Creek -- Cache Creek (180201160602), and Clear Lake (180201160310).

(b) "Deputy Director" means the Deputy Director of the State Water Resources Control Board's Division of Water Rights.

(c) "Diversion" means taking water by gravity or pumping from a surface stream or subterranean stream flowing through a known and definite channel, or other body of surface water, into a canal, pipeline, or other conduit, and includes impoundment of water in a reservoir, as defined in Water Code section 5100(c).

(d) "Extraction" means taking groundwater.

(e) "Groundwater" means water beneath the surface of the earth within the zone below the water table in which the soil is completely saturated with water, but does not include water that flows in known and definite channels unless included pursuant to Section 10722.5, as defined in Water Code section 10721, subd. (g).