Oregon Administrative Rules
Chapter 690 - WATER RESOURCES DEPARTMENT
Division 25 - REGULATION OF GROUNDWATER IN THE OFF-PROJECT AREA DURING THE IRRIGATION SEASON FOR SENIOR SURFACE RIGHTS IN THE KLAMATH BASIN
Section 690-025-0020 - Definitions

(1) "Determined claim" means a claim for surface water as provided in the Amended and Corrected Findings of Fact and Order of Determination issued on February 28, 2014, and subject to regulation pursuant to ORS 539.170.

(2) "Existing rights of record" means authorized groundwater uses, determined claims, groundwater registrations, and surface water rights.

(3) "Groundwater registration" means an un adjudicated claim to use groundwater as provided in ORS 537.605 that is registered with the Oregon Water Resources Department.

(4) "Groundwater reservoir" or "aquifer" means a body of groundwater having boundaries which may be ascertained or reasonably inferred that yields quantities of water to wells or surface water sufficient for appropriation under an existing right of record.

(5) "Groundwater use authorization" means use of water authorized by a permit, certificate or groundwater registration.

(6) "Hydraulically connected" means water can move between or among groundwater reservoirs and surface water.

(7) "Upper Klamath Basin" means the area above and around Upper Klamath Lake that encompasses all water sources that are tributary to Upper Klamath Lake, including groundwater, the Wood River, Williamson River and Sprague River and their tributaries and the Klamath Marsh and its tributaries.

(8) "Surface water right" means certificated and permitted water rights, and determined claims, the source of which is surface water, including springs, streams, and rivers.

(9) "Well" or "wells" means a well as defined in ORS 537.515(9) that is located in the Upper Klamath Basin and is used to beneficially withdraw water for authorized groundwater uses including domestic, stock, irrigation, industrial, municipal, and aquifer storage and recovery uses.