Agate Lake Resource Management Plan Environmental Assessment
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Agate Lake Resource Management Plan September 2000 United States Department of the Interior Bureau of Reclamation Pacific Northwest Region Lower Columbia Area Office In cooperation with Jackson County Roads and Parks Services Mission Statements Department of the Interior The mission of the Department of the Interior is to protect and provide access to our Nation’s natural and cultural heritage and honor our trust responsibilities to tribes. Bureau of Reclamation The mission of the Bureau of Reclamation is to manage, develop, and protect water and related resources in an environmentally sound manner in the interest of the American public. Jackson County Parks To protect Jackson County's recreational resources and provide a quality County Park system that meets recreation needs and provides recreation opportunities to the citizens and visitors of Jackson County. Agate Lake Resource Management Plan September 2000 United States Department of the Interior Bureau of Reclamation Pacific Northwest Region Lower Columbia Area Office In cooperation with Jackson County Roads and Parks Services Agate Lake Resource Management Plan Environmental Assessment Rogue River Basin Project Talent Division Medford, Oregon United States Department of the Interior Bureau of Reclamation Pacific Northwest Region Boise, Idaho Lower Columbia Area Office Portland, Oregon In cooperation with Jackson County Roads and Parks Services Medford, Oregon September 2000 Abbreviations and Acronyms BIA U.S. Bureau of Indian Affairs BLM Bureau of Land Management cfs cubic feet per second District Rogue River Valley Irrigation District EA environmental assessment ESA Endangered Species Act FONSI Finding of No Significant Impact HB House Bill ITAs Indian trust assets JCP Jackson County Roads and Parks Services JCS Jackson County Sheriff Lake Area Boundary Agate Dam and Lake and adjacent Reclamation lands LWCF Land and Water Conservation Fund mg/L milligrams per liter MID Medford Irrigation District NEPA National Environmental Policy Act NPS National Park Service NWI National Wetlands Inventory O&M operation and maintenance ODFW Oregon Department of Fish and Wildlife OHV off-highway vehicle ONHP Oregon Natural Heritage Program OPRD Oregon Parks and Recreation Department OSMB Oregon State Marine Board OSP Oregon State Police Project Rogue River Basin Project RC&D resources conservation and development Reclamation U.S. Bureau of Reclamation Register National Register of Historic Places RMP resource management plan SCORP Oregon State Comprehensive Outdoor Recreation Plan Service U.S. Fish and Wildlife Service SHPO Oregon State Historic Preservation Office Stat. Statute study area Agate Dam and Lake and adjacent Reclamation lands TCPs traditional cultural properties USFS U.S. Forest Service µg/L micrograms per liter µs/cm microsiemens per centimeter (units used to measure conductivity of an aqueous solution) F degrees Fahrenheit Contents Page Chapter 1 Introduction and Background.......................................................................... 1-1 Introduction...................................................................................................................... 1-1 Purpose............................................................................................................................. 1-3 Organization of Document............................................................................................... 1-4 Policy ............................................................................................................................... 1-4 Location ........................................................................................................................... 1-5 Environmental Assessment.............................................................................................. 1-5 Public Involvement .......................................................................................................... 1-6 Chapter 2 Existing Conditions ........................................................................................... 2-1 Introduction...................................................................................................................... 2-1 Climate............................................................................................................................. 2-1 Hydrology ........................................................................................................................ 2-1 Water Quality................................................................................................................... 2-3 Topography and Soils ...................................................................................................... 2-5 Land Use and Management ............................................................................................. 2-6 Land Use Agreements/Permits.................................................................................... 2-6 Involved Agencies ...................................................................................................... 2-6 Services ....................................................................................................................... 2-7 Adjacent Land Uses .................................................................................................... 2-7 Vegetation and Wildlife................................................................................................... 2-9 Vegetation ................................................................................................................... 2-9 Wetlands ..................................................................................................................... 2-9 Wildlife ....................................................................................................................... 2-10 Habitat Conditions ...................................................................................................... 2-21 Vernal Pools................................................................................................................ 2-22 Fish ................................................................................................................................ 2-23 Special Status Species...................................................................................................... 2-24 Recreation and Visual Resources..................................................................................... 2-26 Regional Setting.......................................................................................................... 2-26 Recreation Use ............................................................................................................ 2-27 Visual Resources......................................................................................................... 2-30 Socio-Economics ............................................................................................................. 2-30 Cultural Resources and Traditional Cultural Properties .................................................. 2-31 ii Agate Lake Resource Management Plan Contents Page Chapter 3 Planning Issues, Constraints, and Opportunities ........................................... 3-1 Introduction...................................................................................................................... 3-1 Planning Issue Identification............................................................................................ 3-1 Constraints ....................................................................................................................... 3-2 Legislative Constraints................................................................................................ 3-2 Environmental Constraints.......................................................................................... 3-3 Opportunities ................................................................................................................... 3-3 Chapter 4 Resource Management Plan............................................................................. 4-1 Introduction...................................................................................................................... 4-1 Plan Development............................................................................................................ 4-1 Goals and Objectives and Management Actions ............................................................. 4-3 A. General .................................................................................................................. 4-3 B. Health and Safety .................................................................................................. 4-4 C. Recreation.............................................................................................................. 4-7 D. Natural Resources ................................................................................................. 4-12 E. Cultural Resources and Indian Sacred Sites .......................................................... 4-16 F. Water Quality......................................................................................................... 4-18 Plan Implementation ........................................................................................................ 4-19 Amendments and Modifications to the RMP..................................................................