| Yosemite National Park | |||||||
| Completed and Approved Environmental Compliance Documents | |||||||
| All Documents | |||||||
| File Number | Document Type | Project Name | Project Location | Proponent | Document Release Date | Decision | Decision Date |
| EA | Lower Yosemite Fall Project | Yosemite Valley | NPS | FONSI | 16-May-02 | ||
| EA | Happy Isles Bridge Removal | Yosemite Valley | NPS | FONSI | 31-Oct-01 | ||
| 2001-1042 | EIS | Yosemite Valley Plan | Yosemite Valley | NPS | 01-Nov-00 | ROD | 01-Dec-00 |
| 2000-1004 | EIS | Merced Comprehensive Wild and Scenic River Plan | Parkwide | NPS | 01-Jul-00 | ROD | 01-Aug-00 |
| 1999-1002 | EA | Correction of Wastewater Treatment Design Deficiencies | Glacier Point | YCS | 01-Aug-99 | Archived - No Information on File | |
| 1998-1009 | EA | Yosemite Lodge Sewer Line Repair and Replacement | Yosemite Valley | NPS | 01-Dec-98 | Archived - No Information on File | |
| 1998-1007 | EA | Road Reconstruction | Hetch Hetchy Area | NPS | 01-Oct-98 | FONSI | 01-Oct-98 |
| 1998-1005 | EA | Mirror Lake Loop Trail Reconstruction | Yosemite Valley | NPS | 01-Aug-98 | FONSI | 01-Sep-98 |
| 1998-1003 | EA | Cook's Meadow Restoration | Yosemite Valley | NPS | 01-Jul-98 | FONSI | 01-Oct-98 |
| 1998-1002 | CE/EA | YARTS Temporary Shuttle Program | Parkwide | NPS | 01-Jun-98 | ||
| 1997-1004 | EA | Road Improvements | El Portal | NPS | 01-Aug-97 | FONSI | |
| 1997-1003 | EA | Yosemite Lodge Comprehensive Design | Yosemite Valley | NPS | 01-Jul-97 | FONSI | 01-Jul-97 |
| 1997-1002 | EA | Water and Wastewater Improvements | Tuolumne Meadows | NPS | 01-Jul-97 | FONSI | 01-Dec-97 |
| 1996-1006 | EA | Wawona Point Telecommunications System Upgrade | Mariposa Grove | NPS | 01-Sep-96 | FONSI | 01-Oct-96 |
| 1996-1003 | EA | Mirror Lake Project | Yosemite Valley | NPS | 01-May-96 | FONSI | 01-Aug-96 |
| 1996-1002 | EA | South Fork of the Merced Bridge Replacement | Wawona | NPS | 01-Mar-96 | FONSI | 01-Jul-96 |
| 1995-1007 | EA | Phase 9 Electrical System Rehabilitation | Yosemite Valley | NPS | 01-Aug-95 | FONSI | 01-Jan-97 |
| 1995-1004 | EA | School Expansion and Rehabilitation | El Portal | 01-Mar-95 | FONSI | 01-May-95 | |
| 1995-1002 | EA | Glacier Point Rehabilitation and Restoration | Glacier Point | 01-Mar-95 | FONSI | 01-Feb-96 | |
| 1994-1003 | EA | Relocation and Upgrade of Ranger Station | Little Yosemite Valley | NPS | 01-Nov-94 | FONSI | 01-May-95 |
| 1994-1002 | EA | Sewer Collection System Upgrade | Tuolumne Meadows | NPS | 01-Aug-94 | FONSI | 01-Aug-94 |
| 1994-1001 | EA | Construction of Employee Housing, Phase IV | El Portal | NPS | 01-Apr-94 | Archived - No Information on File | |
| 1994-049 | EA | Modification of Potable Water Supply System | May Lake High Sierra Camp | NPS | 01-Mar-94 | FONSI | 01-Aug-94 |
| 1993-1005 | EA | Chilnualna Creek Bridge Replacement | Wawona | NPS | 01-May-93 | FONSI | 01-May-93 |
| 1993-1004 | EA | Construction of Employee Housing, Phase III | El Portal | NPS | 01-May-93 | FONSI | 01-Jul-93 |
| 1993-1003 | EA | Improvement of Visitor Center Parking and Restroom | Tuolumne Meadows | NPS | 01-Mar-93 | FONSI | 01-May-94 |
| 1993-1002 | EA | Elementary School | Wawona | NPS | 01-Feb-93 | FONSI | 01-Mar-93 |
| 1993-1001 | EA | Road Reconstruction | Tioga Road | NPS | 01-Jan-93 | FONSI | 01-Mar-93 |
| 1992-1005 | EA | Land Exchange | Foresta | NPS | 01-Dec-92 | FONSI | 01-Nov-92 |
| 1992-1003 | EA | Radio Hub System | Heness Ridge | NPS | 01-Sep-92 | FONSI | 01-Oct-92 |
| 1992-1002 | EIS | Concessions Services Plan | Parkwide | NPS | 01-Aug-92 | ROD | |
| 1992-1001 | EA | Frog Creek Dam Removal | Lake Eleanor | Tuolumne County | 01-Aug-92 | Archived - No Information on File | |
| 1991-1005 | EA | Sunnyside Jamcrack Climbing Access Path | Yosemite Valley | NPS | 01-Aug-91 | FONSI | 01-Sep-92 |
| 1991-1004 | EA | Backcountry Composting Toilets Programmatic Assessment | Parkwide | NPS | 01-Jul-91 | FONSI | 01-Jul-91 |
| 1991-1003 | EA | Extension of Wawona Central Sewer | Wawona | NPS | 01-Jun-91 | FONSI | 01-Jun-91 |
| 1991-1002 | EA | Employee Housing Construction | Hodgdon Meadows | NPS | 01-May-91 | FONSI | 01-May-91 |
| 1991-1001 | EA | Rehabilitation of Glacier Point Road | Glacier Point Road | 01-Apr-91 | FONSI | 01-Aug-91 | |
| 1990-1003 | EA | Construction of New Maintenance/Warehouse Facility | El Portal | NPS | 01-Dec-90 | FONSI | 01-Oct-91 |
| 1990-1002 | EA | Pacific Bell Telecommunications Upgrade | Parkwide | Pacific Bell | 01-Aug-90 | FONSI | 01-Aug-90 |
| 1990-1001 | EA | Fire Management Plan | Parkwide | NPS | 01-May-90 | ROD | 01-May-90 |
| 1989-1004 | EA | Construction of a Chiller Building at the Ahwahnee Hotel | Yosemite Valley | Yosemite Park and Curry Company | 01-Dec-89 | FONSI | 01-Jan-90 |
| 1989-1003 | EA | Installation of Composting Toilets | Glen Aulin High Sierra Camp | NPS | 01-Jul-89 | Archived - No Information on File | |
| 1989-1002 | EA | Replacement of Sentinel Bridge | Yosemite Valley | NPS | 01-Jul-89 | Archived - No Information on File | |
| 1989-1001 | EA | Upgrade of the Badger Pass Water System | Badger Pass | NPS | 01-Jul-89 | Archived - No Information on File | |
| 1988-1004 | EA | Proposed Development Concept Plan | Tuolumne Meadows | NPS | 01-Oct-88 | Archived - No Information on File | |
| 1988-064 | EA | Removal and Replacement of Aerial Telephone Cable | Yosemite Valley | Pacific Bell | 01-Oct-88 | FONSI | 01-Nov-88 |
| 1988-042 | EA | Automation of Snow Data Collection | Parkwide | California Cooperative Snow Survey | 01-Sep-88 | FONSI | 01-Sep-88 |
| 1988-059 | EA | Construction of Employee Housing, Phase II | El Portal | NPS | 01-Aug-88 | FONSI | 01-Jan-89 |
| 1988-033 | EA | Renovation of Ansel Adams Darkroom Building | Yosemite Valley | Ansel Adams Gallery | 01-Jun-88 | FONSI | 01-Aug-88 |
| 1988-051 | EA | Reconstruction of Road, Phase II | Big Oak Flat | NPS | 01-May-88 | FONSI | 01-Jul-88 |
| 32234 | EA | Development of Entrance Station and Visitor Center | Hetch Hetchy Area | NPS | 01-May-88 | FONSI | 01-Oct-88 |
| 1988-1002 | EA | Construction of New Sewer Line | Big Oak Flat | NPS | 01-Mar-88 | FONSI | 01-Jun-88 |
| 1988-1001 | EA | Water and Power Improvement | White Wolf | NPS | 01-Mar-88 | FONSI | 01-Jun-88 |
| 1988-046 | EA | Trail Rehabilitation and Bridge Construction | Mariposa Grove | NPS | 01-Mar-88 | FONSI | 01-Jul-88 |
| 1988-021 | EA | Water System Reconstruction | Sunrise High Sierra Camp | NPS | 01-Mar-88 | FONSI | 01-Jun-88 |
| 1987-037 | EA | Electrical Distribution System Replacement and Cascade Dam Removal | Yosemite Valley | NPS | 01-Jan-88 | FONSI | 01-Feb-88 |
| 32478 | EA | Placement of Telephone Par Gain from Yosemite Valley to Tuolumne Meadows | Tuolumne Meadows | 01-Jan-88 | FONSI | 01-Jun-88 | |
| 32203 | EA | Right-of-Way Grant for a Private Water System Connection | Wawona | Jim Freund | 01-Jan-88 | FONSI | 01-Jan-88 |
| 1987-078 | EA | Removal of Abandoned Sewage Treatment Plant | Yosemite Valley | NPS | 01-Sep-87 | FONSI | 01-Oct-87 |
| 32174 | EA | Construction of a Roads Shop/Office | Wawona | NPS | 01-Sep-87 | Archived - No Information on File | |
| 1987-1003 | EA | Expand Parking Area | Badger Pass | Yosemite Park and Curry Company | 01-Aug-87 | FONSI | 01-Oct-87 |
| 1987-062 | EA | Construction of an Interim Maintenance Shop | El Portal | NPS | 01-Jul-87 | FONSI | 01-Feb-88 |
| 1987-1002 | EA | Road Reconstruction, Phase I | Big Oak Flat | NPS | 01-Jun-87 | FONSI | 01-Aug-87 |
| 32112 | EA | Installation of Fog/Cloud Monitoring Equipment | Turtleback Dome | 01-Jun-87 | FONSI | 01-Jul-87 | |
| 1987-1001 | EA | Addition of Office Space to the Atrium of the Yosemite Park and Curry Company General Office Building | Yosemite Valley | Yosemite Park and Curry Company | 01-May-87 | FONSI | 01-Sep-87 |
| 1987-018 | EA | Construction of Service Corral Facilities | Hetch Hetchy Area | NPS | 01-May-87 | FONSI | 01-May-87 |
| 1986-030 | EA | Development of a Campground | Hetch Hetchy Area | NPS | 01-May-87 | FONSI | 01-Jun-87 |
| 1987-034 | EA | Replacement of Sewage Sprayfield | White Wolf | NPS | 01-Apr-87 | FONSI | 01-Aug-87 |
| 31778 | EA | Replacement of Sewage System | Vogelsang High Sierra Camp | NPS | 01-Apr-87 | FONSI | 01-Jun-87 |
| 1987-025 | EA | Installation of Ticketron Reservation Center Trailer | Big Oak Flat | 01-Mar-87 | FONSI | 01-Mar-87 | |
| 1987-020 | EA | Placement of Telephone Cables from El Portal to Hodgdon Meadows | El Portal | NPS | 01-Mar-87 | FONSI | 01-Jun-87 |
| 1987-016 | EA | Construction of an Ambulance Shed and Restroom Addition on Building #4020 | Wawona | NPS | 01-Mar-87 | FONSI | 01-Mar-87 |
| 1986-1002 | EA | Construction of Whole Access Trail and Rehabilitation of Mirror Lake Area | Yosemite Valley | NPS | 01-Nov-86 | Archived - No Information on File | |
| 1986-024 | EA | Construction of Four Segments of New Trail | Mariposa Grove | 01-Jun-86 | FONSI | 01-Aug-86 | |
| 1986-1001 | EA | Repair or Replace Eagle Chairlift and Move Turtle Rope Tow | Badger Pass | Yosemite Park and Curry Company | 01-Apr-86 | FONSI | 01-Jul-86 |
| 31717 | EA | Construction of a Facility for Temporary Storage of Hazardous Wastes | El Portal | NPS | 01-Apr-86 | FONSI | 01-Jun-86 |
| 31656 | EA | Construction of US Magistrate Court Facility | Yosemite Valley | Mariposa County | 01-Dec-85 | FONSI | 01-Jan-86 |
| 31168 | EA | Sewer System Replacement | May Lake High Sierra Camp | NPS | 01-Jul-85 | FONSI | 01-Jul-85 |
| 31352 | EA | Construction of a New Market | El Portal | NPS | 01-May-85 | FONSI | 01-Dec-85 |
| 1985-028 | EA | Sampling of Nine Lakes in Yosemite National Park | Parkwide | EPA | 01-Apr-85 | FONSI | 01-Jun-85 |
| 1985-027 | EA | Reconstruction of Wawona Water System | Wawona | NPS | 01-Apr-85 | FONSI | 01-Jul-85 |
| 1985-1001 | EA | Reintroduction of Bighorn Sheep | Lee Vining Canyon | USFS | 01-Jan-85 | Archived - No Information on File | |
| 31079 | EA | Construction of Seasonal Employee Housing | El Portal | NPS | 01-Dec-84 | FONSI | 01-Jan-85 |
| 31107 | EA | Replacement of Sewer System and Relocation of Public Campground | Merced Lake High Sierra Camp | NPS | 01-Oct-84 | FONSI | 01-May-85 |
| 1984-073 | EA | Replacement of Wildcat Creek and Cascade Creek Bridges | Yosemite Valley | NPS | 01-Aug-84 | FONSI | 01-Sep-84 |
| 1984-030 | EA | Replacement of Sewage System at Glen Aulin High Sierra Camp | Glen Aulin High Sierra Camp | NPS | 01-Jun-84 | FONSI | 01-Jun-84 |
| 1984-015 | EA | Establishment of Phase III Bikeway | Yosemite Valley | NPS | 01-Apr-84 | FONSI | 01-Jun-84 |
| 1984-025 | EA | Construction of Employee Bath House, Kitchen and Laundry at the Yosemite Valley Stables | Yosemite Valley | Yosemite Park and Curry Company | 01-Mar-84 | Archived - No Information on File | |
| 1984-013 | EA | Expansion of Sunnyside Campground Parking Area | Yosemite Valley | NPS | 01-Dec-83 | FONSI | 01-Mar-84 |
| 30987 | EA | Rehabilitate Water System | Yosemite Valley | NPS | 01-Dec-83 | Archived - No Information on File | 01-May-85 |
| 30926 | EA | Hang Gliding Use Plan | Parkwide | NPS | 01-Nov-83 | FONSI | 01-Dec-83 |
| 30834 | EA | Construction of an Amphitheater in Lower River Campground | Yosemite Valley | NPS | 01-Nov-83 | FONSI | 01-Dec-83 |
| 1983-042 | EA | Establishment of Phase II Bikeway Between Ranger Club and Yosemite Lodge | Yosemite Valley | NPS | 01-May-83 | FONSI | 01-Jul-83 |
| 1983-034 | EA | Removal and Replacement of Bathhouse and Construction of a Multipurpose Teaching Room | Crane Flat | NPS | 01-Apr-83 | Archived - No Information on File | |
| 1983-033 | EA | Construction of a Flood Protection Dike near the Trailer Village | El Portal | NPS | 01-Apr-83 | FONSI | 01-May-83 |
| 1983-029 | EA | Repair and Modification of Riverbank along Lower Pines Campground | Yosemite Valley | NPS | 01-Mar-83 | Not approved | |
| 1983-019 | EA | Creation of a Residential Subdivision in El Portal East | El Portal | NPS | 01-Feb-83 | FONSI | 01-Apr-83 |
| 30317 | EA | Removal of Rocks from the Merced River Channel | Yosemite Valley | Mariposa County | 01-Oct-82 | FONSI | 01-Dec-82 |
| 1982-048 | EA | Life-safety Improvements for the Wawona Hotel Complex | Wawona | NPS | 01-Sep-82 | FONSI | 01-Oct-82 |
| 1982-1004 | EA | Relocation of the Railroad Museum | El Portal | NPS | 01-Aug-82 | FONSI | 01-Aug-82 |
| 1982-046 | EA | Establishment of Phase I Bikeway Between Curry Village and Yosemite Village | Yosemite Valley | NPS | 01-Jul-82 | FONSI | |
| 1982-1003 | EA | Replace Overhead Primary Electric Lines to Union Point with Underground Cable | Glacier Point | 01-Jun-82 | FONSI | 01-Aug-82 | |
| 1982-1002 | EA | Horse Corral Construction | Badger Pass | 01-Jun-82 | Not approved | 01-Jun-82 | |
| 1982-038 | EA | Drilling of Water Wells for Ranger Stations at Crane Flat, Tuolumne Meadows, Hodgdon Meadows | Parkwide | NPS | 01-Jun-82 | FONSI | 01-Aug-82 |
| 1982-1001 | EA | Replacement of Telephone Line | Bridalveil Campground | 01-May-82 | FONSI | 01-Jul-82 | |
| 1982-049 | EA | Hydroelectric Power System | Yosemite Valley | NPS | 01-May-82 | Archived - No Information on File | |
| 1982-033 | EA | Construction of Picnic Area at Entrance Station | Big Oak Flat | 01-May-82 | FONSI | 01-Jun-82 | |
| 1982-024 | EA | Development of an Oversnow Vehicle Shed | Crane Flat | 01-Apr-82 | FONSI | 01-May-82 | |
| 1982-050 | EA | Wastewater Treatment Facility | Wawona | NPS | 01-Oct-81 | FONSI | 01-Feb-82 |
| 1981-1010 | EA | Snowmobile Use Plan | Parkwide | NPS | 01-Sep-81 | Archived - No Information on File | |
| 1981-1009 | EA | Drilling of Water Wells at Hodgdon Meadows, White Wolf, Tenaya Lake, Tioga Pass, Arch Rock, Cascades and Chinquapin | Parkwide | NPS | 01-May-81 | FONSI | 01-Jul-81 |
| 1981-1008 | EA | Replacement of Bruin T-bar with Chairlift | Badger Pass | 01-May-81 | FONSI | 01-Jul-81 | |
| 1981-1007 | EA | Penstock Repair | Yosemite Valley | NPS | 01-May-81 | FONSI | 01-Jun-81 |
| 1981-1006 | EA | Reconstruction of Yosemite Falls Trail | Yosemite Valley | NPS | 01-Mar-81 | FONSI | 01-Mar-81 |
| 1981-1005 | EA | Soils Testing at Proposed Spray Field | White Wolf | NPS | 01-Mar-81 | FONSI | 01-May-81 |
| 1981-1004 | EA | Removal of Hazard Rocks, Grizzly Peak | Yosemite Valley | Mariposa County | 01-Feb-81 | FONSI | 01-Mar-81 |
| 1981-1003 | EA | Replacement of Existing Telephone Cable from Stoneman Bridge to Curry Stables | Yosemite Valley | NPS | 01-Feb-81 | FONSI | 01-Apr-81 |
| 1981-1002 | EA | Effluent Disposal Study | El Portal | NPS | 01-Feb-81 | Archived - No Information on File | |
| 1981-1001 | EA | Installation of conduit to Carry Wiring from Gas Pump Island to Data Entry Terminal | Yosemite Valley | NPS | 01-Jan-81 | Statement of ' no measurable impact to the environment' | 01-Jan-81 |
| 29618 | EA | Biological Control of Klamath Weed | Parkwide | NPS | 01-Jan-81 | FONSI | 01-Feb-81 |
| 1980-1002 | EA | Repair and Reconstruct Mist Falls Foot Trail | Vernal/Nevada Falls Corridor | NPS | 01-Dec-80 | Archived - No Information on File | |
| 1980-1001 | EIS | General Management Plan | Parkwide | NPS | 01-Oct-80 | ROD | |
| 1977-1001 | EA | Group Campground Relocation | Wawona | NPS | 01-Apr-77 | Archived - No Information on File | |
| 1976-1001 | EA | Buried Telephone Cable to Sentinel Dome | Glacier Point | 01-Jul-76 | Archived - No Information on File | ||
| 1972-1001 | EIS | Installation of Two Chair Lifts | Badger Pass | Yosemite Park and Curry Company | 01-Jul-72 | Letter from Superintendent predicting 'minimal impact' | 01-May-72 |