The Secretary of the Interior - Washington - CO River Interim Guidelines for Lower Basin Shortages and the Coordinated Operations for Lake Powell and Lake Mead

• Year: 2007
• Title: The Secretary of the Interior - Washington - CO River Interim Guidelines for Lower Basin Shortages and the Coordinated Operations for Lake Powell and Lake Mead
• CWCB Section: Interstate & Federal
• Description: The Secretary of the Interior - Washington - CO River Interim Guidelines for Lower Basin Shortages and the Coordinated Operations for Lake Powell and Lake Mead
• Publications - Doc Type: Other

Interim Guidelines for the
Operation of Lake Powell
and Lake Mead
Section 7. Implementation of Guidelines
[Content of 2001 ISG Section 7, Modeling and Data Authority, is now found at Section
7.A., as modified herein.]
A. AOP Process
During the Interim Period, the Secretary shall utilize the AOP process to determine
operations under these Guidelines concerning the coordinated operations of Lake
Powell and Lake Mead pursuant to Section 6 of these Guidelines, and the allocation of
apportioned but unused water from Lake Mead and the determinations concerning
whether Normal, Surplus or Shortage conditions shall apply for the delivery of water
from Lake Mead, pursuant to Section 1 and Section 2 of these Guidelines.
B. Consultation
The Secretary shall consult on the implementation of these Guidelines in circumstances
including but not limited to the following:
1. The Secretary shall first consult with all the Basin States before making any
substantive modification to these Guidelines.
2. Upon a request for modification of these Guidelines, or upon a request to resolve
any claim or controversy arising under these Guidelines or under the operations
of Lake Powell and Lake Mead pursuant to these Guidelines or any other
applicable provision of federal law, regulation, criteria, policy, rule, or
guideline, or regarding application of the 1944 Treaty that has the potential to
affect domestic management of Colorado River water, the Secretary shall invite
the Governors of all the Basin States, or their designated representatives, and the
Department of State and USIB`UC as appropriate, to consult with the Secretary
in an attempt to resolve such claim or controversy by mutual agreement.
In the event projections included in any monthly 24-Month Study indicate Lake
Mead elevations may approach an elevation that would trigger shortages in
deliveries of water from Lake Mead in the United States, the Secretary shall
consult with the Department of State, the USIBWC and the Basin States on
whether and how the United States may reduce the quantity of water allotted to
Mexico consistent with the 1944 Treaty.s
s These Guidelines are not intended to constitute an interpretation or application of the 1944 Treaty or to
represent current United States policy or a determination of future United States policy regarding
deliveries to Mexico. The United States v~°ill conduct all necessary and appropriate discussions regarding
the proposed federal action and implementation of the 1944 Treaty ~~~ith Mexico through flee IBWC in
consultation with the Department of State.
December 2007 ROD -Colorado River Interim Guidelines for
54 Lower Basin Shortages and Coordinated
Operations for Lake Powell and Lake Mead