Contents
Executive Summary
Abbreviations and Acronyms
Chapter I - Purpose and Need
Introduction
Setting
Purpose of and Need for Action
Scoping and Issues
Chapter II - Proposed Action and Alternatives
Introduction
Elements Common to All Alternatives
Adaptive Management Process and Selenium Concentrations
Selenium Levels
Further Study
Conversion of Contracts
Proposed Conservation Measures for the Protection of the Interior Least Tern
Alternatives
No Action Alternative (Full Irrigation)
Irrigation Alternative
Fish, Wildlife, and Recreation Alternative (FWR Alternative)
Negotiated Alternative (Preferred Alternative)
Alternative Considered and Eliminated from Detailed Analysis
No Contract Renewal Alternative
Chapter III - Affected Environment and Environmental Consequences (Resources of Concern)
Introduction
Setting
Affected Resources
Water Resources
Affected Environment
Inflows
Reservoirs
Irrigation Water Supply to Districts
Methodology/Analysis
Streamflow Adjustments to Present Levels
Key Model Assumptions for Alternatives
Impacts Analysis
Net Impacts
Shortages to Irrigation Districts
Socioeconomics
Introduction
Population
Income
Recreation
Agriculture
Recreation
Affected Environment
Reservoirs
Webster Reservoir (Webster State Park and Wildlife Area)
Woodston Diversion Dam (Woodston State Wildlife Management Area
Kirwin Reservoir (Kirwin National Wildlife Refuge)
Waconda Lake (Glen Elder State Park)
Methodology/Analysis
Impacts Analysis
Kirwin Reservoir and National Wildlife Refuge
Webster State Park and Wildlife Refuge
Mitigation/Other Environmental Measures
Net Impacts
Agriculture
Affected Environment
Kirwin Irrigation District
Webster Irrigation District
Methodology/Analysis
Impacts Analysis
Income and Employment
Affected Environment
Methodology/Analysis
Recreation Impacts and Methodology/Analysis
Agricultural Impacts and Methodology/Analysis
Analysis of Income and Employment Impacts (Recreation)
Net Income and Employment Impacts (Recreation)
Analysis of Income and Employment Impacts (Agriculture)
Net Income and Employment Impacts (Agriculture)
Resources Minimally Affected or Not Affected
Water Quality
Affected Environment
North Fork of the Solomon River
South Fork of the Solomon River
Methodology/Analysis
North Fork of Solomon River, 1998 Monitoring
South Fork of Solomon River, 1998 Monitoring
Impacts Analysis
North Fork
South Fork
Solomon River Basin Biota Sampling
Mitigation/Other Environmental Measures
Net Impacts
Wildlife Management
River and Reservoir Fisheries and Riverine Wetlands
River and Reservoir Fisheries
Affected Environment
Webster Reservoir Fishery
Kirwin Reservoir Fishery
Waconda Lake Fishery
River Fisheries
Methodology/Analysis
Impacts Analysis
Riverine Wetlands
Affected Environment
Methodology/Analysis
Impacts Analysis
Mitigation/Other Environmental Measures for Wildlife Management
Net Impacts - Wildlife Management
Migratory Birds
Affected Environment
Migratory Waterbirds
Neotropical Migratory Birds
Other Migratory Birds
Reservoir Habitat
Methodology/Analysis
Impacts Analysis
No Action Alternative
Irrigation Alternative
FWR Alternative
Negotiated Alternative
Mitigation/Other Environmental Measures
Net Impacts
Endangered Species
Affected Environment
Potentially Affected Species
Methodology/Analysis
Impacts Analysis
Mitigation/Other Environmental Measures
Net Impacts
Reservoir Wetlands and Riparian Vegetation
Affected Environment
Methodology/Analysis
Impacts Analysis
No Action Alternative
Irrigation Alternative
FWR Alternative
Negotiated Alternative
Mitigation/Other Environmental Measures
Net Impacts
Cultural Resources
Introduction
Affected Environment
Methodology
Analysis of Impacts
Net Impacts
Native American Resources
Introduction
Analysis of Impacts/Net Impacts
Indian Trust Assets
Introduction
Analysis of Impacts/Net Impacts
Environmental Justice
Biodiversity/Sustainability
Short- and Long-Term Effects and Unavoidable Adverse Effects
Introduction
Reservoir Wetlands and Riparian Vegetation
Migratory Birds
Endangered Species
Cumulative Effects
Environmental Commitments
Chapter IV - Consultation and Coordination
Public Involvement
Background
Scoping Summary
Solomon Contract Renewal Temporarily Suspended
Shifting Directions
Public Issues and Concerns
Coordination
Involved Agencies
Consultation
Environmental Assessment Public Inspection and Review Locations
Offices
Libraries
City Office
Web site
References
Glossary
Tables
Figures
Attachment List