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Environment
Categorical exclusions are posted here to promote transparency and openness. Some actions may have environmental impacts that require an environmental assessment and a detailed analysis to determine the extent and severity of the impacts. For actions that have significant impacts or consequences to the environment or human health, RM prepares environmental impact statements.
Projects
Categorical Exclusions
- 2013
- Urban Transmission Line Danger Tree Management Boulder, Larimer, Washington, and Weld Counties Colorado and Laramie County, Wyoming (1-15-13)
- Copper Mountain to Boysen 34.5-kV Transmission Line Structure Replacement Fremont County, Wyoming (1-11-13)
- Lusk Rural Substation Control Building Construction Niobrara County, WY (1-16-13)
- Western's Power Marketing Operations Center New Fiber Optic Installation, Larimer County, CO (1-16-13)
- Kersey West Switching Station Interconnection Kiowa Creek-Weld 115-kV Transmission Line, Weld County, CO (1-23-13)
- Deering Lake-Wray Tap 115-kV Transmission Line Construction, Yuma County, CO (2-15-13)
- Poncha Springs Substation 230-kV Bay Addition (Amended), Chaffee County, CO (2-15-13)
- Plata, Montezuma, Dolores, San Miguel, and Montrose Counties, CO (2-15-13)
- Cheyenne Substation KV2A Transformer Installation, Laramie County, Wyoming (3-21-13)
- North Fork-Rifle 230-kV Transmission Line - Leveling Soil Pile Under The Line (3-26-13)
- Urban Transmission Line Danger Tree Management, Boulder, Larimer, Washington, and Weld Counties, Colorado and Laramie County, Wyoming (3-26-13)
- Flaming Gorge Microwave Site Communications Building Access Road Repairs, Daggett County, Utah (4-1-13)
- Curecanti-Morrow Point 115-kV Transmission Line Access Road Maintenance, Montrose County, CO (4-12-13)
- Curecanti-Crystal 115-kV Transmission Line Danger Tree and Vegetation Management, Montrose County, CO (4-25-13)
- Curecanti-Poncha 230-kV Transmission Line Cross Bar Ranch Project (4-25-13)
- Hesperus-Montrose (Project No. 3) 345-kV and Curecanti-Lost Canyon 230-kV Transmission Line Routine Maintenance ROW Roads (4-26-13)
- Animas River Substation Site Drainage, La Plata County, CO (4-26-13)
- Curecanti-Morrow Point 230- and 12.47-kV Transmission Line Structure Replacement, Montrose County, CO (5-8-13)
- Vernal Substaton 138-kV Breaker Replacement, Uintah, UT (5-8-13)
- Communication System Maintenance in CO, WY, NE, MT, UT, NM and AZ (5-17-13)
- Substation Maintenance and Renovation Activities in CO, WY, NE, MT, UT and NM (5-17-13)
- Above-Ground Routine Transmission Line Maintenance in CO, WY, NE, MT, UT, NM and AZ (5-17-13)
- 2012
- Airport to Boyd 115-kV Transmission Line Structure Replacement, Larimer County, CO (6-20-12)
- Alcova-Casper North 115-kV Transmission Line Pole Replacements, Natrona County, WY (4-9-12)
- Archer 230-kV Bay Addition for New Point of Delivery - Stage 07 (3-8-12)
- Archer Communications Building, Laramie County, WY (3-7-12)
- Archer KV1A Replacement, Laramie County, WY (5-24-12)
- Archer to Ault 230-kV Transmission Line Structure Replacement, Weld County, CO (5-9-12)
- Artesia-Rangely Tap of the Hayden-Vernal 138-kV Transmission Line Bank Stabilization on Structure 20/2, Rio Blanco County, CO (10-29-12)
- Ault Substation Drainage Swale Construction, Weld County, CO (12-13-12)
- Beaver Creek - Big Sandy 115-kV Transmission Line Structure Replacements - Last Chance Fire, Washington County, CO (8-31-12)
- Big Thompson to Flatiron 13.8kV Transmission Line Structure Replacement, Larimer County, CO (5-9-12)
- Blue Ridge Microwave Site Upgrade Project, Grand and Summit Counties, CO (7-3-12)
- Boysen-Thermopolis 115-kV Transmission Line Structure 15-6 Pole Replacement Project, Fremont County, WY (7-2-12)
- Bridgeport-Sidney 115KV Line Rejected Pole Replacement (3-6-12)
- Bucknum Substation Construction, Natrona County, WY (9-28-12)
- Casper Service Center Drainage Swale, Natrona County, WY (2-9-12)
- Casper Service Center Garage Door Insulation, Natrona County, WY (9-20-12)
- Cheyenne Substation West Control Building Roof Replacement, Laramie County, WY (4-2-12)
- Combined Crew Vegetation Management on the Curecanti-Poncha 230-kV Transmission Line, Gunnison County, CO (6-5-12)
- Curecanti-Crystal 115-kV Transmission Line Access Road Routine Maintenance, Montrose County, CO (8-7-12)
- Curecanti-Lost Canyon 230-kV Access Roads and Western Area Power Administration Right-of-Way Routine Maintenance in Montrose, Ouray, San Miguel, Dolores, and Montezuma Counties, CO (5-22-12)
- Curecanti-Lost Canyon 230-kV Transmission Line Private Lands Herbicide Treatment for Vegetation Management, San Miguel, Dolores, and Montezuma Counties, CO (9-13-12)
- Curecanti-Poncha 230-kV Transmission Line Black Sage Pass 2012 Power Line Fuels Treatment Project, Gunnison County, CO (3-2-12)
- Curecanti-Poncha-Canon City West-Midway 230-kV Transmission Line Road Maintenance, Gunnison, Chaffee, Fremont, Pueblo,and El Paso Counties, CO (7-3-12)
- Curecanti-Rifle 230-kV Transmission Line Sullivan Ranch Irrigation Water Pipeline Project Between Structures 25/5 to 26/1, Montrose County, CO (9-28-12)
- Danger Tree Management on Bears Ears-Bonanza 345-kV Transmission Line, Uintah County, Utah; Rio Blanco and Moffat Counties, CO (4-13-12)
- Danger Tree Management on Blue River-Gore Pass 230-kV Transmission Line, Summit and Grand Counties, CO (4-13-12)
- Danger Tree Management on Blue Mesa to Skito 115-kV Transmission Line, Gunnison County, CO (7-2-12)
- Danger Tree Management on Bridgeport to Sydney 115-kV Transmission Line, Cheyenne County, NE (3-8-12)
- Danger Tree Management on Craig-Rifle 230-kV Transmission Line, Moffat, Rio Blanco, and Garfield Counties, CO (4-13-12)
- Danger Tree Management on Curecanti to Blue Mesa 115-kV Transmission Line, Gunnison County, CO (7-2-12)
- Danger Tree Management on Curecanti-Midway 230-kV Transmission Line, Montrose, Gunnison, Chaffee, Fremont, Pueblo, and El Paso Counties, CO (4-13-12)
- Danger Tree Management on Curecanti to North Fork 230-kV Transmission Line, Montrose and Delta Counties, CO (9-13-12)
- Danger Tree Management on Estes-Pole Hill and Pole Hill-Flatiron 115-kV Transmission Lines (3-9-12)
- Danger Tree Management on Glen Canyon-Shiprock 230-kV Transmission Line, Coconino, Navajo, and Apache Counties, AZ, and San Juan County, NM (5-1-12)
- Danger Tree Management on Green Mountain to Kremmling 69-kV Transmission Line Summit and Grand Counties Colorado (8-15-12)
- Danger Tree Management on Hayden-Gore Pass 230-kV Transmission Line, Routt and Grand Counties, CO (4-13-12)
- Danger Tree Management on Hayden-Vernal 138-kV Transmission Line, Routt and Moffat Counties, CO and Uintah County, CO (4-13-12)
- Danger Tree Management on Hesperus-Waterflow 345-kV Transmission Line, San Juan County, NM, and La Plata County, CO (5-1-12)
- Danger Tree Management on Lost Canyon-Shiprock 230-kV Transmission Line, Montezuma County, CO, and San Juan County, NM (5-1-12)
- Danger Tree Management on North Fork to Rifle 230-kV Transmission Line, Delta, Mesa, and Garfield Counties, CO (9-13-12)
- Danger Tree Management on North Gunnison-Salida 115-kV Transmission Line, Gunnison, Saguache, and Chaffee Counties, CO (4-13-12)
- Danger Tree Management on North Gunnison-Skito 115-kV Transmission Line, Gunnison County, CO (7-2-12)
- Danger Tree Management on Shiprock-Four Corners 345-kV Transmission Line, San Juan County, NM (4-13-12)
- Erosion Control Measure Structure No. 11-4, Gering to Wildcat 34.5kV Transmission Line, Scotts Bluff County, NE (3-29-12)
- Erosion Control Measure Structure No. 20-1 East Morrill Tap to Lyman 34.5kV Transmission Line, Scotts Bluff County, NE (3-29-12)
- Erosion Control Measure Structure No. 110-3 Dave Johnston to Stegall 230-kV Transmission Line, Goshen County, WY (3-29-12)
- Estes Park to Mary's Lake West 115-kV Transmission Line Structure Replacement, Larimer County, CO (5-2-12)
- Fiber Optic Installation at the Stegall 230-kV Substation, Scotts Bluff County, NE (6-20-12)
- Flaming Gorge to Vernal No. 1 138-kV Transmission Line Structure Replacements, Uintah County, UT (7-9-12)
- Flaming Gorge to Vernal No. 3 138-kV Transmission Line Private Lands Herbicide Treatment for Vegetation Management, Uintah, UT (9-21-12)
- Gering-Gering Valley 34.5 kV Transmission Line Underground Installation, Scotts Bluff, NE (10-2-12)
- Giant Track Communications Tower Removal, Larimer County, CO (5-9-12)
- Grandy (Farr) Pumping Plant Nest Removal Project, Grand County, CO (10-5-12)
- Granby Pumping Plant Switchyard - Transformer Protective Barrier Walls, Grand County, CO (5-4-12)
- Hayden-Vernal 138-kV Transmission Line Road Maintenance and Structure Replacements, Uintah County, UT, and Moffat and Routt Counties, CO (12-13-12)
- Hesperus-Montrose 345-kV Transmission Line Access Roads Routine Maintenance, San Miguel, Ouray, Montrose, Montezuma, La Plata, and Dolores Counties, CO (6-5-12)
- Hesperus-Montrose 345-kV Transmission Line Private Lands Herbicide Treatment for Vegetation Management, San Miguel and Dolores Counties, CO (9-13-12)
- Holyoke Substation Transformer Replacement, Phillips County, CO (12-11-12)
- License Outgrant to Owl Creek Water District, Town of Thermopolis, Hot Springs County, WY (7-23-12)
- Line Switch Replacements at Chappell and Julesburg Taps in Dueul County, NE, and Kersey Tap in Weld, CO (7-25-12)
- Line Switch Replacements at Guernsey Rural, Worland, Refinery, Box Butte, and Morrill Taps Located in WY and NE (7-30-12)
- Loveland Area Projects 2025 Power Marketing Initiative Proposal (2-17-12)
- Lovell, Basin, and Buffalo Bill Substations, Control Building Rehabilitation Projects, Big Horn and Park Counties, WY (7-2-12)
- Midway Substation 230-kV Upgrades, El Paso County, CO (7-25-12)
- Montrose Operations Center Asphalt Overlay Project, Montrose County, CO (7-30-12)
- Multiple Structure Replacement Flaming Gorge to Vernal No. 1 138-kV Transmission Line, Uintah County, UT (3-29-12)
- Pole Replacement on the Big Springs-Sidney 115kV Transmission Line, Deuel County, NE (1-5-12)
- Poncha Substation 230-kV Bay Addition, Chaffee County, CO (3-7-12)
- Removal of Asbestos-Containing Materials From the Garage at Limon Substation, Lincoln County, CO (3-2-12)
- Rifle and Craig Substation Modifications and Approach Spans Re-Conductoring, Garfield County, Rifle, CO and Moffat County, Craig, CO (5-22-12)
- Road Maintenance and Structure Replacement on the Artesia-Rangeley 138-kV Transmission Line Tap, Uintah County, UT, and Rio Blanco County, CO (5-4-12)
- Structure Replacement and Vegetation Management Gore Pass to Hayden 138-kV Transmission Line, Grand and Routt Counties, CO (4-2-12)
- Structure Replacement Flaming Gorge-Vernal No. 3 138-kV Transmission Line (Structure No. 25-6), Spring 2012 (3-6-12)
- Terry Ranch Road Substation, Laramie County, WY (3-29-12)
- Torrington-Wildcat 69-kV Transmission Line Rebuild Project, Goshen County, WY (4-2-12)
- Uncompaghre/Com Task Letter #3 (02-RMR-1309) Black Sage Pass 2012 Power Line Fuels Treatment Project, Curecanti-Poncha 230-kV Transmission Line (3-2-12)
- WAPA and Tri-State Facility Exchange Project, CO, NE and WY (3-28-12)
- Weld Substation Control Building HVAC Replacement, Weld County, CO (2-3-12)
- Weld Substation Roof Replacement, Weld County, CO (2-16-12)
- Western and Tri-State Fiber Optic Installation Project From Beaver Creek to Big Sandy Substations, Morgan, Washington, and Lincoln Counties, CO (5-9-12)
- Willow Creek - Granby Tap 2.4-kV Distribution Line Structure 0/3A Pole Replacement Project, Grand County, CO (9-20-12)
- Yellow-Tail Dam Tie Lines, Bighorn County, MT (1-25-12)
- 2011
- Alliance Substation Communication Building Installation, Box Butte County, NE (8-28-11)
- Archer-Ault 230-kV and Cheyenne to Owl Creek 115-kV Transmission Line Structure Replacements, Laramie County, WY and Weld County, CO (6-2-11)
- Badwater Substation Equipment and Containment Pond Upgrade, Fremont County, WY (9-27-11)
- Boyd-Valley Transmission Line OPGW Fiber Optic Installation, Larimer County, Colorado (5-18-11)
- Bucknam Temporary Tap, Natrona County, WY (12-15-11)
- Casper-Arminto Vegetation Management Maintenance, Natrona County, WY (3-29-11)
- Casper Service Center Floor Drain, Casper, WY (2/28/11)
- CCI-MP Transmission Line Access road Maintenance, Montrose County, CO (7-6-11)
- CCW-Mid Transmission Line Access Road Maintenance, Fremont County (3-24-11)
- Craig - Bears Ears - Hayden Substation Fiber Optic and Pole Installation, Moffat and Routt Counties, CO (5-17-11)
- Curecanti-Blue Mesa 115kV Transmission Line Road Maintenance and Structure Replacement, Gunnison County, CO (7-28-11)
- Curecanti Substation Containment Wall, Montrose County, CO (5-19-11)
- Erie to Terry Street and Lyons to Longmont Northwest 11tkV Transmission Lines Structure Replacements, Boulder and Broomfield Counties, Colorado (5-16-11)
- Gore Pass Substation Pole Replacement, Grand County, CO (7-1-11)
- Gore Pass to Muddy Pass: Single Pole and Multiple Cross Arm Replacements, Grand County, WY (9-16-11)
- Kayenta-Shiprock 230-kV Transmission Line, Nest Removal Project, San Juan County, New Mexico and Apache and Navajo Counties, AZ (10-25-11)
- LAP and Western Area Colorado to Missouri Balancing Authority - Formula Rate Adjustment for Transmission and Ancillary Services for the Rocky Mountain Region service area (CO, KS, NE, and WY) (5-19-11)
- Lovell-Thermopolis Access Road Repairs, Structure 57-6 to 84-2 and replacement of Structure 61-7, Big Horn County, WY
- Lusk Substation Transformer Replacement, Lusk, Niobrara County, WY (1-24-11)
- Modifications to Hayden Substation, Routt County, CO (6-14-11)
- North Gunnison-Salida 115-kV Transmission Line Jumper Cable Replacements, Gunnison County, CO (6-14-11)
- Power Marketing and Operations Center - System Upgrades, Larimer County, CO (8-18-11)
- Rock River Microwave Fiber Optic Installation, Albany County, WY (6-17-11)
- Sagebrush Clearing at Transmission Line Structures Moffat and Rio Blanco Counties, CO (9-20-11)
- Stegall-Gering South Fiber Optic Installation, Scott's Bluff County, NE (7-14-11)
- Stegall-Wayside 230-KV Access Road Extension, Dawes County (5-5-11)
- Transformer Replacement and Foundation Work at Flaming Gorge Substation, Daggett County, UT (10-5-11)
- Tree Cutting Cheyenne Field Office Maintenance Area, Spring 2011 (4-07-11)
- Upper Molina-Lower Molina 115-kV Road Maintenance and Structure Replacement, Mesa County, CO (7-19-11)
- 2010
- Boysen-Copper Mountain Structure 98/1 Replacement Project, Fremont County, Wyoming (11/10/2010)
- Danger Tree Cutting Miracle Mile-Seminoe 115-kV and Miracle Mile-Platte 115-kV Transmission Lines, Carbon County, Wyoming, Summer 2010 (06/17/2010)
- Flaming Gorge-Vernal No. 3 Transmission Line Vegetation Management, Uintah County, Utah (01/22/2010)
- Fleming Substation Transformer Replacement, Fleming, Logan County, CO (12/20/10)
- Green Mountain Switchyard Stage 06 Spring 2010, Summit County, Colorado (05/25/2010)
- Hayden Substation Transformer Replacement (08/23/2010)
- Hot Line Order Work: Structure Hardware and Arm Replacement Sidney to Sterling Transmission Line, Logan County, Colorado, Cheyenne County, Nebraska (04/08/2010)
- Hygiene Substation Access Road Repairs (08/30/2010)
- Sectionalized SPENCE-DAVE JOHNSTON 230-kV line near Casper (05/31/2010)
- Sidney to Sterling Transmission Line Structure Replacement, Logan County, CO (12-22-10)
- Structure 57/2 Relocation on the Thermopolis 115-kV Transmission Line(08/23/2010)
- Structure Replacement Hayden-Gore Pass 138-kV Transmission Line (Structure 25/5) Spring 2010 (04/15/2010)
- Structure Replacements and Reconductor Black Hollow to Ault Transmission Line, Weld County, CO (06/01/2010)
- Tree Cutting Cheyenne Field Office Maintenance Area, Fall 2010 (10/21/2010)
- Tree Cutting Cheyenne Field Office Maintenance Area, Summer 2010 (06/15/2010)
- 2009
- Environmental Assessment (EA)
- Environmental Impact Statement (EIS)
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