1. Short title This Act may be cited as the Klamath Infrastructure Improvement Act . 2. Klamath project (a) Addressing water management and power costs for irrigation The Klamath Basin Water Supply Enhancement Act of 2000 ( Public Law 106–114 ; Stat. 2221) is amended— (1) by redesignating sections 4 through 6 as sections 5 through 7, respectively; and (2) by inserting after section 3 the following: 4. Power and water management (a) Definitions In this section: (1) Covered power use The term covered power use means a use of power to develop or manage water from any source for irrigation, wildlife purposes, or drainage on land that is— (A) associated with the Klamath Project, including land within a unit of the National Wildlife Refuge System that receives water due to the operation of Klamath Project facilities