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The Wyoming Department of Environmental Quality/Water Quality Division (WDEQ) has conducted a review of the proposed Sheridan Landfill Cell 9 Closure Project in accordance with EPA and State of Wyoming procedures for implementing the State Environmental Review Process. DEQ has determined that this project is eligible for a categorical exclusion. Accordingly, DEQ is exempting the project from further substantive environmental review requirements under the State Environmental Review Process. Neither an Environmental Assessment/Finding of No Significant Impact nor an Environmental Impact Statement/Record of Decision will be required for the proposed action. The following is a brief description of the situation and the proposed action, and a brief statement of how the action meets the criteria for a categorical exclusion.
The existing Cell 9 Final Cover consists of 14 acres of waste that will be prepared for closure and capping activities. The final cover design will consist of cover soil atop a geocomposite and geomembrane layer. The project will include construction of access roads, earthwork, geosynthetic liners, stormwater controls, temporary erosion and sediment controls, reclamation, fencing, and surveying associated with the closure of Cell 9. In addition, a cap extension will be done on T678 cells where waste was found outside of the current capped cell, as well as all other pertinence associated with this project. Based on current cost estimates, the City of Sheridan plans to borrow $4,000,000 from the Wyoming Clean Water State Revolving Fund (CWSRF) administered by the Wyoming Office of State Lands and Investments. No increased user fees are anticipated to repay the loan. The City plans to repay the requested funds from the Solid Waste Closure/Post Closure Fund and Landfill Revenue from Rates and Fees.
The City of Sheridan is aware of and accepts the fact that they will be responsible for any required mitigative actions associated with the project, including but not limited to storm water runoff, erosion control, archeological/historic artifacts, and air quality concerns. These will be part of the standard State Revolving Funds Program contract conditions.
DEQ is granting an exclusion because the project is within the landfill boundary and in an area that has been previously disturbed. DEQ has determined that exempting the proposed project from further review under the State Environmental Review Process will not result in adverse impacts to the population or the area of the City of Sheridan or Sheridan County, Wyoming.
The determination shall become effective upon distribution by the Department and may be re-evaluated and the determination changed at any time that adverse information is made available. The documentation to support this decision will be on file in the DEQ Cheyenne Office and is available for public review upon request. To request a copy of the categorical exclusion, contact:
Greg Crocker, SRF Project Manager
Department of Environmental Quality
200 W. 17th St.
Suite 200
Cheyenne, WY 82002
Tel. (307) 777-6941
FAX (307) 635-1784
[email protected]
Para español, visite deq.wyoming.gov. Americans with Disabilities Act: special assistance or alternative formats will be made available upon request for individuals with disabilities. Please provide at least fourteen (14) days before the close of the public comment period for such requests.
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