DOI-BLM-NV-C010-2010-0010-EA

Jump to: navigation, search


NEPA Document Collection for: DOI-BLM-NV-C010-2010-0010-EA
EA at Dixie Valley Geothermal Area for Geothermal/Exploration

EA at Coyote Canyon and Dixie Meadows for Geothermal/Exploration Drilling and Well Testing

General NEPA Document Info
Energy Sector Geothermal energy

Environmental
Analysis Type

EA

Applicant

Terra-Gen Power LLC
Consultant CH2M Hill Ltd

Geothermal Area

Dixie Valley Geothermal Area

Project Location

Nevada

Project Phase

Geothermal/Exploration

Techniques

Downhole Techniques, Well Testing Techniques, Drilling Techniques, Exploration Drilling
Time Frame (days)
Application Time 265
Participating Agencies

Lead Agency

BLM

Funding Agency

none provided

Managing District Office

Carson City

Managing Field Office

Stillwater

Funding Agencies

none provided

Surface Manager

BLM,

Mineral Manager

BLM
Selected Dates
Application Date 2009/09/15
Application
Document Type
POO
Revised Application Date 2009/10/15
Final EA-EIS Date
/Public Comment Period
2010/05/31
Decision Document Date 2010/06/07
Relevant Numbers
Lead Agency
Doc Number
DOI-BLM-NV-C010-2010-0010-EA
Lease Numbers

Proposed Action

This Environmental Assessment (EA) analyzes the potential impacts associated with the proposed construction and testing of geothermal exploration wells, access roads, and ancillary facilities in Dixie Valley, Churchill County, Nevada (see links in column to the right).

TGP Dixie Development Company (TGP) proposes to explore the geothermal resource potential of the Coyote Canyon (CC) and Dixie Meadows (DM) lease areas in Dixie Valley, which are located primarily on federal lands managed by the U.S. Bureau of Land Management (BLM). The BLM is the lead agency for this EA in accordance with the National Environmental Policy Act (NEPA) (40 Code of Federal Regulations [CFR] Parts 1500-1508). The purpose of the geothermal exploration is to confirm that sufficient reservoir capacity is available to allow long-term production. This EA analyzes potential impacts from the proposed exploration and testing activities at the CC and DM sites. Because both geothermal drilling projects have similar timing, geography, and types of actions, BLM has determined that the two proposals would be analyzed in one EA. The exploration activities are referred to as the Proposed Actions. The geothermal leases held by TGP for the CC exploration project contain 7,681 acres (CC lease area). The geothermal leases held by TGP for the DM exploration project contain 3,960 acres. The Proposed Action for DM also includes an area known as the Lamb Mineral Interests (760 acres). TGP owns the mineral rights for this land, along with the right to surface use in exercise of mineral rights. The U.S. Navy owns the land surface. Although the BLM does not have any jurisdiction to permit any surface activities, and no BLM action is required for exercise of these mineral rights, information on project activities there is included in this EA because they are part of the overall project described for Dixie Meadows.

TGP proposes to conduct geothermal exploration in a portion of each lease area called the project area. Figures 2 and 3 show the lease areas and project areas for each site. An Operations Plan to drill and test up to 15 explorations wells at the CC project area and to drill and test up to 15 exploration wells at the DM project area was submitted to the Bureau of Land Management (BLM), Stillwater Field Office (SFO) in September 2009. A revised Operations Plan was submitted in October 2009. In addition to the exploration drilling program, mineral material sales contracts would be required for aggregate material obtained from BLM-managed gravel pits. These contracts (one for CC and one for DM) would be for less than 50,000 cubic yards of aggregate and less than 5 acres of subsurface disturbance each.

Individual Geothermal Drilling Permits (GDPs) would be issued separately from this document.


Data Completion Notes

Data entry complete. This EA does not distinguish mitigation from applicant-proposed measures. I used my judgment to parse them out as seemed to make sense.

8/15 added NEPA doc name

Documents

 
 
 

 
 
 
 
 
FONSI: 
 
 
 
 

Resource Analysis

Resource Not
Present
Present,
Not
Affected
Present,
Potentially
Affected
Not
Indicated
Comment Applicant
Proposed
Mitigation
Agency
Imposed
Mitigation
Air Quality
"NEPA_Resource_Analysis" is not in the list of possible values (Not Present, Present, Not Affected, Present, Potentially Affected, Not Indicated) for this property.

 

  imposed
Areas of Critical Environmental Concern
"NEPA_Resource_Analysis" is not in the list of possible values (Not Present, Present, Not Affected, Present, Potentially Affected, Not Indicated) for this property.

 

   
Cultural Resources
"NEPA_Resource_Analysis" is not in the list of possible values (Not Present, Present, Not Affected, Present, Potentially Affected, Not Indicated) for this property.

 

  imposed
Environmental Justice
"NEPA_Resource_Analysis" is not in the list of possible values (Not Present, Present, Not Affected, Present, Potentially Affected, Not Indicated) for this property.

 

   
Prime or Unique Farmlands
"NEPA_Resource_Analysis" is not in the list of possible values (Not Present, Present, Not Affected, Present, Potentially Affected, Not Indicated) for this property.

 

   
Floodplains
"NEPA_Resource_Analysis" is not in the list of possible values (Not Present, Present, Not Affected, Present, Potentially Affected, Not Indicated) for this property.

 

   
Invasive, Nonnative Species
"NEPA_Resource_Analysis" is not in the list of possible values (Not Present, Present, Not Affected, Present, Potentially Affected, Not Indicated) for this property.

 

proposed imposed
Migratory Birds
"NEPA_Resource_Analysis" is not in the list of possible values (Not Present, Present, Not Affected, Present, Potentially Affected, Not Indicated) for this property.

 

  imposed
Native American Concerns
"NEPA_Resource_Analysis" is not in the list of possible values (Not Present, Present, Not Affected, Present, Potentially Affected, Not Indicated) for this property.

 

   
Threatened and Endangered Species
"NEPA_Resource_Analysis" is not in the list of possible values (Not Present, Present, Not Affected, Present, Potentially Affected, Not Indicated) for this property.

 

   
Wastes Hazardous or Solid
"NEPA_Resource_Analysis" is not in the list of possible values (Not Present, Present, Not Affected, Present, Potentially Affected, Not Indicated) for this property.

 

proposed  
Wetlands and Riparian Zones
"NEPA_Resource_Analysis" is not in the list of possible values (Not Present, Present, Not Affected, Present, Potentially Affected, Not Indicated) for this property.

 

  imposed
Wild and Scenic Rivers
"NEPA_Resource_Analysis" is not in the list of possible values (Not Present, Present, Not Affected, Present, Potentially Affected, Not Indicated) for this property.

 

   
Wilderness
"NEPA_Resource_Analysis" is not in the list of possible values (Not Present, Present, Not Affected, Present, Potentially Affected, Not Indicated) for this property.

 

   
Visual Resources
"NEPA_Resource_Analysis" is not in the list of possible values (Not Present, Present, Not Affected, Present, Potentially Affected, Not Indicated) for this property.

 

  imposed
Paleontological Resources
"NEPA_Resource_Analysis" is not in the list of possible values (Not Present, Present, Not Affected, Present, Potentially Affected, Not Indicated) for this property.

 

  imposed