9580

• UCREFRP Catalog Number: 9580
• Author: U.S. Bureau of Reclamation.
• Title: Final Environmental Impact Statement - Navajo Reservoir Operations Volume 1.
• USFW Year: 2006.
• USFW - Doc Type: Grand Junction - Durango, CO.
• Copyright Material: NO

Contents
ii
FEIS - Navajo Reservoir Operations
Page
Chapter II - Proposed Action and Alternatives (continued)
250/6000 and 500/6000 Alternatives .............................. II-10
Decommission and Breach Navajo Dam ........................... II-10
Characteristics Common to Action Alternatives ........................ II-10
Interim Operation .............................................. II-10
Participation in SJRBRIP ......................................... II-10
Changes to Flow Recommendations .............................. II-11
Extreme Hydrological Conditions ................................ II-12
Endangered Fish Releases ....................................... II-13
Variables Inherent in the Operation of Navajo Dam ................. II-13
V. Alternatives Evaluation ................................................ II-14
Introduction ....................................................... II-14
Hydrology Considerations .......................................... II-15
Hydrology Model - No Action Alternative ........................ II-17
Hydrology Model - 250/5000 and 500/5000 Alternatives ............ II-24
Alternatives Retained for Further Consideration ....................... 11-24
No Action Alternative .......................................... II-24
250/5000 Alternative ........................................... II-24
500/5000 Alternative ........................................... 11-26
VI. Alternatives Considered but Eliminated ................................. II-27
250 Variable/5000 Alternative ....................................... II-27
250/6000 Alternative ............................................... II-28
500/6000 Alternative ............................................... II-28
Decommission and Breach Navajo Dam ............................... II-28
VII. Preferred Alternative. .............................................. II-29
Future Water Development .......................................... II-29
Chapter III - Affected Environment/Environmental Consequences
I. Introduction .......... ............................................... III-1
II. Setting ................................................................ III-2
III. Affected Resources .................................................... III-3
Water Uses and Water Resources ............................................ III-3
Affected Environment ............................................... III-5
Navajo Reservoir ................................................ III-5
San Juan River .................................................. III-5
Water Rights Background ........................................ III-6
American Indian (Indian) Trust Water Rights ................... III-6
Non-Indian Water Rights .................................... III-7
New Mexico ................................................ III-8
New Mexico Water Law ............................. . III-8