DSL-252 CHECKLIST ENVIRONMENTAL ASSESSMENT Project Name: Installation of an overhead power Proposed Implementation Date: Summer 2021 transmission line. Proponent: Big Flat Electric Cooperative, PO Box 229, Malta, MT 59538 Type and Purpose of Action: The applicant proposes to install an overhead power line with a capacity of 115kV within a right-of-way 80’ wide (40’ on either side of a centerline) across School Trust land in Phillips County. This line will be used to transmit power to TransCanada’s Keystone XL Pumpstation. The line will allow for improved electric power distribution in this rural area and the surrounding communities. Location: W2W2 Section 16, Township 30N, Range County: Phillips 33E I. PROJECT DEVELOPMENT 1. PUBLIC INVOLVEMENT, AGENCIES, Big Flat Electric contacted the Glasgow GROUPS OR INDIVIDUALS CONTACTED: Unit regarding the project and Provide a brief chronology of the submitted the right-of-way application. scoping and ongoing involvement for this project. 2. OTHER GOVERNMENTAL AGENCIES WITH No other governmental agencies have JURISDICTION, LIST OF PERMITS jurisdiction over this project as it NEEDED: pertains to School Trust lands. Montana DNRC, Real Estate Management Bureau has jurisdiction over the project. 3. ALTERNATIVES CONSIDERED: Action Alternative: Grant permission to the proponent to install the overhead power line on School Trust land. No Action Alternative: Deny permission to the proponent to install the overhead power line on School Trust land. II. IMPACTS ON THE PHYSICAL ENVIRONMENT RESOURCE POTENTIAL IMPACTS II. IMPACTS ON THE PHYSICAL ENVIRONMENT 4. GEOLOGY AND SOIL QUALITY, The area of impact consists of Scobey- STABILITY AND MOISTURE: Are Kevin clay loams and gravelly loams fragile, compatible or unstable with 2 to 8% slopes. This soil is not soils present? Are there unusual fragile or unstable, and no unusual geologic features? Are there geologic features are present. special reclamation considerations? Action Alternative: There will be some soil disturbance due to the installation of the poles. Any disturbance will be temporary and recover quickly with typical vegetation regrowth. No Action Alternative: Under this alternative there will be no changes to soils on the School Trust land. 5. WATER QUALITY, QUANTITY AND There are no important water resources DISTRIBUTION: Are important present within the area of impact. surface or groundwater resources There is no potential for impact on present? Is there potential for drinking water in the area. violation of ambient water quality standards, drinking water maximum Action Alternative: The proposed contaminant levels, or degradation transmission line installation would of water quality? not negatively impact the quality, quantity and distribution of water. No Action Alternative: Under this alternative, there will be no impacts to water quality, quantity and distribution. 6. AIR QUALITY: Will pollutants or This project is not influenced by any particulate be produced? Is the air quality regulations or zones. A project influenced by air quality short-term increase in vehicle traffic regulations or zones (Class I will result in a slight increase in airshed)? dust. No pollutants will be produced. Action Alternative: This type of project on the School Trust land will have minimal impact to the air quality. Some dust may occur due to vehicle use. II. IMPACTS ON THE PHYSICAL ENVIRONMENT No Action Alternative: Under this alternative there will be no impacts to air quality. 7. VEGETATION COVER, QUANTITY AND The area of impact is native rangeland QUALITY: Will vegetative that sees seasonal livestock grazing. communities be permanently altered? No rare plants or cover types are Are any rare plants or cover types present. present? Action Alternative: The installation of this overhead line will have minimal impact to the surface vegetation. There is increased potential for spread of invasive plant species with soil disturbance. No Action Alternative: Under this alternative there will be no impacts to the plant communities on the School Trust land. 8. TERRESTRIAL, AVIAN AND AQUATIC The area of impact may see occasional LIFE AND HABITATS: Is there use by antelope, deer and substantial use of the area by upland/grassland birds. important wildlife, birds or fish? Action Alternative: There are no impacts to wildlife habitat expected due to installation of the transmission line. No Action Alternative: Under this alternative there will be no impacts to the possible use of the School Trust land as wildlife habitat. 9. UNIQUE, ENDANGERED, FRAGILE OR The area of impact is native rangeland LIMITED ENVIRONMENTAL RESOURCES: that provides quality habitat for Are any federally listed threatened wildlife species. No wetlands are or endangered species or identified within the area of impact. This habitat present? Any wetlands? project is within General Greater Sensitive Species or Species of Sage-Grouse habitat as outlined by the special concern? Montana Sage Grouse Oversight Team (MSGOT). The proponent submitted the project to MSGOT for review prior to submitting the application, and received approval, along with guidelines to follow, back from MSGOT. The following species of concern are II. IMPACTS ON THE PHYSICAL ENVIRONMENT listed as being at least seasonally present within the area of impact: Greater Sage-Grouse, Baird’s Sparrrow and Long-Billed Curlew. Action Alternative: By following the recommendations made by MSGOT, impacts to sage-grouse will be mitigated during and after the installation process. No Action Alternative: Under this alternative there will be no impacts to the environmental resources. 10. HISTORICAL AND ARCHAEOLOGICAL The area of impact contains no SITES: Are any historical, historical, archaeological or archaeological or paleontological paleontological resources. A Class- resources present? III cultural resource inventory was performed along the proposed route by Act, Garcia and Associates. Based on this inventory, all ground disturbance activities associated with installation of the line will avoid resources by at least 50 feet. Action Alternative: The proposed line will have no impact on historical, archaeological or paleontological resources. No Action Alternative: There will be no impact to historical or archaeological sites under this alternative. 11. AESTHETICS: Is the project on a The area of impact is near a county prominent topographic feature? road and visible to the public. Will it be visible from populated or scenic areas? Will there be Action Alternative: The line will be excessive noise or light? readily visible from the nearby county road. No excessive noise or light would be produced. No Action Alternative: Under this alternative there will be no impacts to aesthetics associated with the II. IMPACTS ON THE PHYSICAL ENVIRONMENT School Trust land. 12. DEMANDS ON ENVIRONMENTAL RESOURCES Environmental resources in the area OF LAND, WATER, AIR OR ENERGY: are not specifically limited and are Will the project use resources that not affected by the proposed project. are limited in the area? Are there No nearby activities will affect the other activities nearby that will project. affect the project? Action Alternative: The proposed project will place no additional demands on any environmental resources in the area. No Action Alternative: Under this alternative there will be no demands placed on environmental resources of land, water, air or energy. 13. OTHER ENVIRONMENTAL DOCUMENTS This site is managed for livestock PERTINENT TO THE AREA: Are there grazing under a School Trust lands other studies, plans or projects on lease. There are no other pertinent this tract? studies, plans or projects within the area of impact. Action Alternative: Installation of this line is crucial to the installation of TransCanada’s Keystone XL pump station. No Action Alternative: Under this alternative there will be no impacts to the plans or studies that Montana Department of Natural Resources and Conservation has on the School Trust land. III. IMPACTS ON THE HUMAN POPULATION RESOURCE POTENTIAL IMPACTS AND MITIGATION MEASURES 14. HUMAN HEALTH AND SAFETY: Will The operation and movement of heavy this project add to health and equipment and vehicles has inherent safety risks in the area? risks that are not impacted by access across the School Trust land. Action Alternative: The installation of the line would require the use of heavy equipment. No Action Alternative: Under this alternative there will be no impacts to human health or safety. 15. INDUSTRIAL, COMMERCIAL AND The area of impact is native rangeland AGRICULTURAL ACTIVITIES AND that is leased by a neighboring PRODUCTION: Will the project add rancher for seasonal livestock use. to or alter these activities? Action Alternative: Installation of the line will have no impact on livestock grazing on this tract. No Action Alternative: Under this alternative there will be no impacts to agricultural activities on the School Trust land. 16. QUANTITY AND DISTRIBUTION OF Action Alternative: The project will EMPLOYMENT: Will the project not create nor impact any jobs in the create, move or eliminate jobs? If area. so, estimated number. No Action Alternative: There will be no impacts to quantity and distribution of employment under this alternative. 17. LOCAL AND STATE TAX BASE AND TAX Action Alternative: The project will REVENUES: Will the project create have no impacts on the local and state or eliminate tax revenue? tax base and tax revenues. No Action Alternative: There will be no impacts to the local and