Water Resources of the Raft River Basin Idaho-Utah
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2448, Raft River Mountains Fault
2448, RAFT RIVER MOUNTAINS FAULT Structure number: 2448. Comments: Hecker's (1993) fault number 6-17. Structure name: Raft River Mountains fault. Comments: Synopsis: Poorly understood middle to late Pleistocene(?) fault in the Raft River Mountains. The fault is in both Utah and Idaho. Date of compilation: 10/99. Compiler and affiliation: Bill D. Black (Utah Geological Survey) and Suzanne Hecker (U.S. Geological Survey). State: Utah. County: Box Elder. 1° x 2° sheet: Brigham City. Province: Basin and Range. Reliability of location: Poor. Comments: Mapped by Compton (1972) and Doelling (1980). Mapping from Doelling (1980). Geologic setting: North-trending normal fault near the Utah-Idaho border along the northeast side of the Raft River Mountains. The Raft River Mountains have a core of Precambrian metamorphic rocks and trend east-west, similar to the Uinta Mountains. Northern slopes of the mountains drain into the Snake River and are considered part of the Snake River Plain, rather than the Great Basin. Sense of movement: N. Comments: Dip: No data. Comments: Dip direction: E. Geomorphic expression: Faulted alluvium. Age of faulted deposits: Middle to late Pleistocene(?). Paleoseismology studies: None. Timing of most recent paleoevent: (4) Middle and late Quaternary (<750 ka). Comments: Recurrence interval: No data. Comments: Slip rate: Unknown, probably <0.2 mm/yr. Comments: Length: End to end (km): 2 Cumulative trace (km): 2 Average strike (azimuth): N1°E REFERENCES Compton, R.R., 1972, Geologic map of the Yost quadrangle, Box Elder County, Utah and Cassia County, Idaho: U.S. Geological Survey Miscellaneous Investigations Series Map I-672, scale 1:31,680. -
Minidoka Powerplant Unit 7 Structure Maintenance and Rehabilitation Minidoka County, Idaho
Finding of No Significant Impact Final Environmental Assessment Minidoka Powerplant Unit 7 Structure Maintenance and Rehabilitation Minidoka County, Idaho U.S. Department of the Interior Bureau of Reclamation Pacific Northwest Region Snake River Area Office PN FONSI # 18-11 Introduction The Bureau of Reclamation (Reclamation) has prepared this Finding of No Significant Impact (FONSI) to comply with the Council of Environmental Quality (CEQ) regulations for implementing procedural provisions of the National Environmental Policy Act (NEPA). This document briefly describes the proposed action, other alternatives considered, the scoping process, Reclamation’s consultation and coordination activities, mitigation and Reclamation’s finding. The Final Environmental Assessment (EA) fully documents the analyses of the potential environmental effects of implementing the changes proposed. Location and Background The Minidoka Project, one of the earliest federal Reclamation projects in Idaho, comprises multiple facilities including Minidoka Dam, the reservoir it impounds (Lake Walcott), and Minidoka Powerplant. The Minidoka Project serves lands north and south of the Snake River. Minidoka Dam and Lake Walcott are located in south-central Idaho on the Snake River Plain, north of the junction of Interstate 84/86, east of the town of Rupert, Idaho. Minidoka Dam supplies irrigation water, provides irrigation water storage, and generates power via Minidoka Powerplant that is delivered to the Bonneville Power Administration for marketing (Hess et al. 2002). The original Minidoka Powerplant (Units 1 through 5), completed in 1910, had a total generation capacity of 7.5 megawatts. To meet increased power production needs of the Minidoka Project, as well as to keep pace with the growing market for power in nearby towns, Minidoka Powerplant’s Unit 6 was installed in 1927, and Unit 7 was installed in 1942. -
Draft Environmental Impact Statement, Minidoka Dam Spillway
Draft Environmental Impact Statement Minidoka Dam Spillway Replacement Minidoka Project, Idaho U.S. Department of the Interior Bureau of Reclamation Pacific Northwest Region Snake River Area Office Boise, Idaho December 2009 U.S. 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 Indian tribes and our commitments to island communities. MISSION OF THE BUREAU OF RECLAMATION The mission of the Bureau of Reclamation is to manage, develop, and protect water and related resources in an environmentally and economically sound manner in the interest of the American public. Draft Environmental Impact Statement Minidoka Dam Spillway Replacement Minidoka Project, Idaho U.S. Department of the Interior Bureau of Reclamation Pacific Northwest Region Snake River Area Office Boise, Idaho December 2009 Draft Environmental Impact Statement Minidoka Dam Spillway Replacement Minidoka County, Idaho Lead Agency: For further information contact: U.S. Department of the Interior Allyn Meuleman Bureau of Reclamation Snake River Area Office Pacific Northwest Region 230 Collins Road Boise, ID 83702-4520 (208) 383-2258 Cooperating Agency: U.S. Department of the Interior U.S. Fish and Wildlife Service Idaho Fish and Wildlife Office Abstract: This Draft Environmental Impact Statement (Draft EIS) examines alternatives to correcting structural problems at the Minidoka Dam Spillway and associated facilities on Lake Walcott, Idaho. Alternatives considered in the Draft EIS are the No Action, as required under the National Environmental Policy Act; total replacement of the spillway and headgate structures; and replacement of just the spillway. -
California National Historic Trail City of Rocks National Reserve
California National Historic Trail City of Rocks National Reserve A self-guided journey to discovering the California National Historic Trail at City of Rocks City of Rocks National Reserve is a partnership between the National Park Service and the Idaho Department of Parks and Recreation California National Historic Trail City of Rocks National Reserve A self-guided journey to discovering A self-guided journey to discovering the California National Historic Trail at City of Rocks Prepared by Idaho Department of Parks and Recreation and the National Park Service City of Rocks National Reserve PO Box 169 Almo, Idaho 83312 http://parksandrecreation.idaho.gov www.nps.gov/ciro 2015 Contents What’s in store before you explore? There are eight stops, six of which have interpretive signage, along the 10 mile auto route. Introduction 3 Map—Overview 4 Parting of the Ways to the Elba Basin 5 The Almo Valley 6 Twin Sisters in the Distance 7 The Salt Lake Alternate 8 Replica Wagons 9 Wagon Trains 10 Camp 11 Guide Books 12 Trails West Markers 12 Entrance to City of Rocks 13 Trail Ruts 14 First View of Circle Creek Basin 15 Tracy Homestead 16 Camp Rock 17 Treasure Rock 20 Map— Locations of the Waysides and Markers 21 Artists on the Trail 23 Register Rock 24 Pinnacle Pass 27 Ledyard and Margaret Ann Alsip Frink 29 Twin Sisters 30 Salt Lake Alternate-Boise Kelton Stage Route 32 Post Office 33 Granite Pass 34 The Mormon Battalion 35 Life on the Trail 36 Emigrant and Native American Interactions 38 Trouble on the Trail 39 Emigrant Names 40 For Further Study / Credits 41 Bibliography 42 2 Introduction City of Rocks National Reserve (Reserve) was established by Congress on November 18, 1988 in order to preserve and protect the significant historical and cultural resources; to manage recreational use; to protect and maintain scenic quality; and to interpret the nationally significant values of the Reserve. -
Twin Falls Visitor Center
SOUTH CENTRAL IDAHO A PERFECT LOCATION FOR THE ADVENTURINGADVENTURING SPIRIT | OFFICIAL IDAHO STATE TRAVEL GUIDE TRAVEL | OFFICIAL STATE IDAHO 54 Snake River Early settlers found the Snake River Plain a bit too dry for their taste, so they set about building a dam and irrigation canals along the Snake River. These structures so dramatically changed the landscape—turning arid, cracked soil into fertile agricultural fields—that the area became known as the “Magic Valley.” Everywhere you look, you’ll see evidence of the earth’s forces at work: deep canyons, high bluffs, unusual rock formations, and even lava flows. Sure, this area is a geologist’s dream, but its terrain also delivers big fun for the adventurer in you. The Snake River is at the heart of the valley’s recreation, inviting you to swim, raft, speedboat, and paddle its waters, and BASE jump and zip-line into its stunning canyon. The river’s reservoirs are pristine destinations for camping, hunting, and fishing—and are home to an abundance of big game and other wildlife. Throughout the region, see springs surge from within cliff walls and thundering waterfalls crash and churn into canyons. Wander through lava tubes, discover world-famous fossil beds, and eat homemade ice cream. Take a relaxing drive through Hagerman’s peaceful country- side and make your way to City of Rocks National Reserve, where granite columns and spires stand guard over a 500-acre windswept valley. Follow Visit Idaho on Facebook, Twitter, Instagram, YouTube and other social media channels. VISITIDAHO.ORG | 55 #VisitIdaho SOUTH CENTRAL IDAHO ‹ ADVENTURES AS DRAMATIC AS THE LANDSCAPE HAGERMAN VALLEY ducer of steelhead and rainbow trout. -
Bureau of :Reclama\.Ion
UNITED STATES DEPARTMENT . OF THE IBTERIOR . GEOLOGICAL SUR'V'EY WATER :RESOURCES DIVISION GROUND WA'l;'ER :BRANCH PBELIMI:B'ARY ImPORT O!l GBOUID WATER IN THE :SOliABZA LAD AliEAv. POWEll .A:RD !LAINE COUNTIES, IDAHO B7 Harold Meisler Open-file r~rt. SnbJect to revision. Preparecl for the 11. s. :Bureau of :Reclama\.ion Boise, I4abo August 1958 UNITED STATES DEPARTMENT OF THE INTERIOR GEOLOGICAL SURVEY WATER RESOURCES D!VI SION GROUND WATER BRANCH PRBILIMINARY :REPORT ON GROUID WATER IN THE :BONANZA L.AXE AREA 9 POWER ADD l3LAINE COUNTIES~ IDAHO ~ »y Harold Meisler OF 58-G7 9pen-file r~ort$ Snbject to revision. Prepared for the Uo S. !ureau of Bselamation Boise, Idaho August 1958 '· ·-. CONTENTS P~e Abstract . .. " . l Introduction . " .. • • 0 2 Purpose and scope of report . 2 Location and extent of area . 3 Methods of investigation . 3 Well-numbering s,ystem 5 ~ • 0 6 Geographic setting . o- "-• «> •~•• Geologie formations and their water-bearing Qba.racteristics g Ground water • . • • • • • 0 • . 13 Occurrence and sources • • 0 • • • . 13' 14 Direction of ground-water movement . ~ " Ground-water discharge • • " . • . • q • 14 Relation betw,een the regional water tabl·e and the Snake Riv .er • . • • • . • • • • • .. 10· • .. • • .. • • 16 Conclusions . Logs of wells and core holes . .. 21 References . • • • • • • .. • • . 28 ILLUSTRATION'S Plate 1 . Map of the :Bonanza Lake area showing well locations and water-table contour • • .. • • • • • • • • • ., Pocket Figure 1 • . Index map of southern I d.aho showillg area cover.ed , by this r .eport • • • • • . • . • • • • • • • • • 4 ILLUSTRATIONs--Continued Page Figure 4. Schematic diagram Showing possible relation of . ,_ ,· ground water to Snake River in area from American Falls Reservoir to Lake Walcott • • • 20 TABLES Table 1. -
American Falls Reservoir Is the Largest Reservoir of the Project
Finding of No Significant Impact Final Environmental Assessment Maintenance and Rehabilitation of Spillway and Dam Structures at American Falls Dam, Minidoka Project, Power County, Idaho U.S. Department of the Interior Bureau of Reclamation Pacific Northwest Region Snake River Area Office PN FONSI # 19-4 Introduction The Bureau of Reclamation (Reclamation) has prepared this Finding of No Significant Impact (FONSI) to comply with the Council of Environmental Quality (CEQ) regulations for implementing procedural provisions of the National Environmental Policy Act (NEPA). This document briefly describes the proposed action, other alternatives considered, the scoping process, Reclamation’s consultation and coordination activities, mitigation, and Reclamation’s finding. The Final Environmental Assessment (EA) fully documents the analyses of the potential environmental effects of implementing the changes proposed. Location and Background The Minidoka Project (Project) was authorized by the Secretary of the Interior in 1904 and was the first Reclamation project constructed in Idaho. It is located in the Snake River Basin in the southeastern part of the state. American Falls Dam, completed in 1927, is a 94-foot-high composite concrete and earth gravity-type dam on river mile 714.7 of the Snake River near American Falls, Idaho. With a storage capacity of 1,700,000 acre-feet, American Falls Reservoir is the largest reservoir of the Project. The dam itself is located in Power County, Idaho, but the reservoir stretches northeast into both Bingham and Bannock Counties. American Falls Dam and Reservoir comprise a multi-purpose facility from which principle benefits include irrigation, power generation (through a powerplant owned and operated by Idaho Power), flood control, fish and wildlife resources, and recreation. -
Cassia County, Qs Idaho 113O0010 O Qw 42 3505 86 Qw Ke Iver Ppsp Sna R O Pps 114 0350 Qa Burley O Qb Sublett Rge
Cassia County, Qs Idaho 113o0010 o Qw 42 3505 86 Qw ke iver PPsP Sna R o PPs 114 0350 Qa Burley o Qb Sublett Rge. 42 3055 Declo Qs 77 PPsP Qm PPsP Tov Zs Wm QTb Qa PPs QTb Tpf Idahome PPsP Qs Qs PPsP 27 Albion Tps Qs QTb Ps Qs 84 k Zs e Qw Qs e r Tpf 81 TsR Qw C Zs Sublett P Tpf Wm PPs e Malta Qs s Tov Cassia o Wm o Zs Wm Pzu G Tpf Mtns. or Mt. Harrison South Hills PPsP PPsP PPsP Qa Oakley PzZm Elba Ps Ps Qs Qs r e Pzu Tpf Zs Raft River Valley Ps PPsP Ps Blackpine Rge. v Zs i R Tps Tpf Qs Tpf Wm t PzZm f PPs Tpf Zs Tpf a Trapper Pk. Cache Pk. Tms R Qa Tpf Toi Toi PPsP Tpf Zs Tpf Toi Qs Qs Almo Tpf Ms PPsP Tpf Albion Mtns. Wm PPs Zs Zs Toi PPs PPs Almo Qs Qa PzZm Pluton Raft RiverTpf Narrows. Qa Tpf Zs City of Tms Qs Tps Tpf PPsP Qbo Qs Rocks Tpf Qs o o 42 0004 41 5932 o 114o1655 113 0005 Digital Atlas of Idaho, Nov. 2002 0 5 10 miles http://imnh.isu.edu/digitalatlas Compiled by Paul K. Link, 0 8 16 kilometers Idaho State University, Geosciences Dept. http://www.isu.edu/departments/geology/ Cassia County Cassia County, on the south side of the Snake River forms much of Idahos southern boundary with Utah and Nevada on the west. It contains a diverse assemblage of rocks, including the oldest rocks in Idaho, the metamorphic Green Creek gneiss in the Albion Mountains core complex. -
Ground-Water Possibilities South of the Snake River Between Twin Falls and Pocatello, Idaho
Ground-Water Possibilities South of the Snake River Between Twin Falls and Pocatello, Idaho By E. G. CROSTHWAITE CONTRIBUTIONS TO HYDROLOGY GEOLOGICAL SURVEY WATER-SUPPLY PAPER 1460-C Prepared for the United States Bureau of Reclamation with the cooperation of the Idaho Department of Reclamation UNITED STATES GOVERNMENT PRINTING OFFICE, WASHINGTON : 1957 UNITED STATES DEPARTMENT OF THE INTERIOR FRED A. SEATON, Secretary GEOLOGICAL SURVEY Thomas B. Nolan, Director For sale by the Superintendent of Documents, U. S. Government Printing Office Washington 25, D. C. CONTENTS Pag* Abstract _______________________ ...- _ . _____ - _ 99> Introduction-.... _________________________________________ _____ 100 Purpose and scope of report __ _________________________________ 100 Location of area_________________________________________ _ ____ 101 Previous investigations_____________________ ____________________ 102 Geography __ ___________________________________________________ 103' Surface features___-__-____-________--__-________-__--__-___- _ 108- Drainage. ___-___-__-__---_---_-__-_---______--_---_-____ __ _ 100 Climate.. ____________________ . ______________ 107 Precipitation _ ______________________________ _ _ __ ___ 107 Temperature _ ____________________________________ __ _ _ 109* Evaporation __ ___________________________________ _ ___ _ 110' Development ___ ____________________________________ _ _____ 111 Population __ _____________________________________ ___ __ 111 Agriculture. ___ __ _______________________________ _ _____ 113: Industry -
Lake Walcott Subbasin Assessment and Total Maximum Daily Loads Five-Year Review
Lake Walcott Subbasin Assessment and Total Maximum Daily Loads Five-Year Review (Includes Rueger Springs and Fall Creek TMDLs) State of Idaho Department of Environmental Quality May 2012 Printed on recycled paper, DEQ May 2012, PID TM29, CA code 82037. Costs associated with this publication are available from the State of Idaho Department of Environmental Quality in accordance with Section 60-202, Idaho Code. Lake Walcott Subbasin Assessment and Total Maximum Daily Loads Five-Year Review (Includes Rueger Springs and Fall Creek TMDLs) May 2012 Prepared by Idaho Department of Environmental Quality Twin Falls Regional Office 1363 Fillmore Street Twin Falls, Idaho 83301 Acknowledgments The five-year review of the Lake Walcott Subbasin Assessment, Total Maximum Daily Load, and Implementation Plan involved several individuals in the Idaho Department of Environmental Quality (DEQ) Twin Falls Regional Office and in the Technical Services Division at the state office. The following Twin Falls Regional Office staff helped with this evaluation: Dr. Balthasar B. Buhidar, Sue Switzer, Katie Shewmaker, Sean Woodhead, Mike Etcheverry, Robert “Chad” Chorney, Carolyn Rambough, and Alissa Bosscher. State Office Surface Water Program and Technical Services staff who assisted with GIS, TMDL program review, and technical editing include Sean Coyle, Marti Bridges, Dennis Meier, and Lisa Hansen. The Lake Walcott total maximum daily load (TMDL) was initiated by Dr. Balthasar B. Buhidar in 1997 as part of the Middle Snake Watershed Management Area framework. As a result of a TMDL lawsuit and settlement agreement, the watershed management area was subsequently divided in 1998 into the Lake Walcott subbasin and the Upper Snake Rock subbasin. -
Title 8 Cassia County Comprehensive Plan
TITLE 8 CASSIA COUNTY COMPREHENSIVE PLAN CASSIA COUNTY, IDAHO COUNTY ADMINISTRATION PLANNING & ZONING / BUILDING DEPARTMENT Courthouse Room #4, 1459 Overland Avenue, Burley, Idaho 83318 Phone (208) 878-7302 • Fax: (208) 878-3510 CASSIA COUNTY, IDAHO COUNTY COMPREHENSIVE PLAN, Revised 2006, Amd. Oct. 2009, Amd. Feb. 2010, Amd. Nov. 2012. TABLE OF CONTENTS Summary .................................................................................................. 2 Introduction ................................................................................................. 2 Purposes of the Plan ...................................................................................... 4 Guidelines .................................................................................................... 5 Components ................................................................................................. 6 Goals, Policies, and Implementation Activities ................................................... 9 A. Property Rights ............................................................................. 12 B. Population .................................................................................... 15 C. School Facilities and Transportation ................................................. 19 D. Economic Development .................................................................. 23 E. Land Use ..................................................................................... 27 F. Natural Resources ........................................................................ -
Quaternary Geology of the Albion Mountains, Southern Idaho
QUATERNARY GEOLOGY OF THE ALBION MOUNTAINS, SOUTHERN IDAHO Kevin Pogue Whitman College Robert Carson Whitman College Doug Clark Western Washington University INTRODUCTION associated with the nearby Yellowstone hot spot to be emplaced on the exposed granite Geologic History (Miller and Bedford, 1999). During the late The Albion Mountains stretch for 50 km Miocene, most of these rhyolitic rocks were between the Idaho/Utah border on the south translated to the east on low-angle normal and the Snake River Plain on the north. The faults as the core complex continued to rise range is part of the Albion–Raft River–Grouse (ref). Quaternary uplift of the range has Creek metamorphic core complex, which occurred along high-angle range-bounding exposes some of the most highly extended and normal faults. The present shape of the deeply-derived rocks of the Basin and Range mountains results primarily from the headward geologic province (Miller, 1980). Granite, erosion of streams that are tributaries of the granitic gneiss, schist and amphibolite Raft and Snake rivers on the north and east belonging to the 2.5 Ga Green Creek Complex and Birch and Goose creeks on the west. are the oldest rocks in the range. These Headward erosion by Raft River tributaries basement rocks are unconformably overlain by eventually breached resistant Proterozoic Proterozoic and Paleozoic sediments that were quartzites in the structural domes of the metamorphosed during crustal thickening in southern Albion Mountains. The Tertiary the hinterland of the Sevier orogenic belt granite cores of the domes where much more (Armstrong, 1968). The highland created by easily weathered, particularly in regions of the Sevier orogeny began to collapse and high joint density and hydrothermal alteration.