(a) This part satisfies the requirement of Section 205(a)(5) of the Truckee-Carson-Pyramid Lake Water Rights Settlement Act (Settlement Act) that the negotiated agreement for operation of Truckee River Reservoirs be promulgated as a Federal regulation. The Truckee River Operating Agreement (TROA), published in September 2008 by the Bureau of Reclamation, is the agreement negotiated pursuant to Section 205(a) of the Settlement Act and is incorporated by reference into this section with the approval of the Director of the Federal Register under 5 U.S.C. 522 (a) and 1 CFR part 51. All approved material is available for inspection at the National Archives and Records Administration (NARA). For information on the availability of this material at NARA, call 202-741-6030 or go to http://www.archives.gov/federal_register/code_of_federal_regulations/ibr_locations.html. Also, a copy of TROA may be obtained from or inspected at the Bureau of Reclamation, 705 N. Plaza St., Carson City, NV 89701, 775-884-8356, where copies are on file, or at the following Web site: http://www.usbr.gov/mp/troa/.

(b) This part implements the Settlement Act by providing for operation of the Truckee River Reservoirs and other reservoirs in a manner that:

(1) Implements California's allocation of Truckee River basin water and the Nevada and California allocations of Lake Tahoe basin water;

(2) Enhances fish, wildlife, and recreational beneficial uses of water in the Truckee River basin;

(3) Carries out the terms, conditions, and contingencies of the Preliminary Settlement Agreement;

(4) Ensures that water is stored in, released from, and passed through Truckee River Reservoirs to satisfy the exercise of water rights in conformance with the Orr Ditch Decree and Truckee River General Electric Decree, except for rights voluntarily relinquished by any persons or transferred under State law;

(5) Provides for the enhancement of spawning flows available in the Lower Truckee River for Pyramid Lake Fishes in a manner consistent with the Secretary of the Interior's responsibilities under the Endangered Species Act, as amended;

(6) Satisfies all applicable dam safety and flood control requirements; and

(7) Minimizes the Secretary of the Interior's costs associated with operation and maintenance of Stampede Reservoir.

Act means the Truckee-Carson-Pyramid Lake Water Rights Settlement Act of 1990, title II, Public Law 101-618 (104 Stat. 3289, 3294).

Administrator means the individual appointed in accordance with Sections 2.A.2 through 2.A.3 of the Truckee River Operating Agreement (incorporated by reference at § 419.1).

Preliminary Settlement Agreement means that Agreement between the Pyramid Lake Paiute Tribe and Sierra Pacific Power Company of May 23, 1989, as subsequently modified and ratified by the United States.

TROA means the Truckee River Operating Agreement.

Truckee River basin means the area which naturally drains into the Truckee River and its tributaries and into Pyramid Lake, including Pyramid Lake, but excluding the Lake Tahoe basin.

Truckee River Reservoirs means Boca Reservoir, Prosser Creek Reservoir, Martis Creek Reservoir, Stampede Reservoir, and the storage provided by the dam at the outlet of Lake Tahoe.

The following are general operational principles which provide a framework for the Administrator in implementing the TROA (incorporated by reference at § 419.1). These general principles are intended to be consistent with the specific provisions of TROA, but if they conflict with those specific provisions, the specific TROA provisions control. Operations should meet all of the following criteria:

(a) Be conducted, consistent with the TROA and applicable legal requirements, so that the available water supply in the Truckee River basin satisfies, to the maximum extent possible, multiple beneficial purposes, including municipal and industrial, irrigation, fish, wildlife, water quality, and recreation purposes.

(b) Satisfy vested and perfected rights to use the water of the Truckee River and its tributaries, to the extent that water rights are scheduled to be exercised, and to the extent that water is lawfully available. This includes, but is not limited to, the exercise of water rights under the provisions of the Orr Ditch Decree, except as expressly provided in the Settlement Act and the TROA.

(c) Maintain minimum releases and, to the extent practicable consistent with existing water rights and the TROA, maintain enhanced minimum releases, preferred stream flows, and reservoir recreation levels as described in Article Nine of the TROA.

(d) Comply with applicable flood control requirements for Prosser Creek, Stampede, Boca, and Martis Creek Reservoirs.

(e) Comply with all applicable dam safety requirements.

(f) Use the integrated schedules developed by the Administrator through coordination with the scheduling parties.

(g) Respond to declared Federal, State, or local water-related emergencies presenting a clear and immediate danger to public health, life, property, or essential public services involving an upset or other unexpected occurrence to facilities and resources addressed in the TROA.

The specific provisions governing operations of the Truckee River Reservoirs and other reservoirs are contained in the TROA (incorporated by reference at § 419.1). The following table shows the location of the provisions in the TROA.