CATEGORICAL EXCLUSION DETERMINATION - Town of Moorcroft, Sanitary Sewer Improvements

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Wyoming Department of Environmental Quality

CATEGORICAL EXCLUSION DETERMINATION

For the Town of Moorcroft, Sanitary Sewer Improvements

Crook County, Wyoming

The Department of Environmental Quality/Water Quality Division (DEQ) has conducted a review of the proposed Sanitary Sewer Improvements 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 2018 Sanitary Sewer Improvements project will remove and replace approximately 1350 linear feet of existing 8 inch gravity sanitary sewer pipe with associated fittings and manhole structures located in the alleyway between Powder River Ave. and Cheyenne Ave. from Park St. to Weston St. The existing sewer line is clay tile pipe and has experienced problems with clogging due to root intrusion.  The cost of maintaining the line and the age and material of the line have made this area a priority for replacement. Based on current cost estimates, the Town of Moorcroft plans to borrow $380,000.00 from the Wyoming Clean Water State Revolving Loan Fund administered by the Wyoming Office of State Lands and Investments. Sewer Investment Fees will repay the loan. User fees will not need to be increased to repay the loan. Loan terms will be 2.5% interest rate and 20 years.  

The Town of Moorcroft is aware of and accepts the fact that they will be responsible for any required mitigative actions associated with and including 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 this project replaces existing infrastructure in the same existing roadways as existing facilities.  The utility replacements are located on the same property as existing facilities. This project will be completely constructed in previously disturbed ground, specifically previously installed water and sewer mains and the road above the water and sewer mains. 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 Town of Moorcroft and Crook County, Wyoming. 

The documentation to support this decision will be on file in the DEQ Cheyenne Office and is available for public scrutiny upon request. Comments concerning this decision may be addressed to Stan Miller, SRF Project Engineer, Department of Environmental Quality, 200 W. 17th St. Suite 200, Cheyenne, WY 82002, telephone (307) 777-6371, FAX (307) 635-1784, email stanley.miller@wyo.gov. 

Publish Date: Thursday, April 26th 2018