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Categorical Exclusion Determination, Town of Cowley, Asbestos Pipeline Replacement Project

The Department of Environmental Quality/Water Quality Division (DEQ) has conducted a review of the proposed ASBESTOS CEMENT WATER LINE REPLACEMENT 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.

This project is to address the issues of the Town of Cowley’s aging asbestos cement lines (AC lines). These lines, which are spread throughout the Town, will be replaced with C-900 PVC pipe so that the citizens can continue to enjoy a high level of water quality. By doing this, the project will also address the need for safety when the Town's personnel have to repair or modify the existing system. This would allow for approximately 6,000 feet of 6" PVC C-900, 38 water valves, and 12 hydrants to be replaced as well as all services that are currently connected in these areas of Town.

Based on current cost estimates, the Town of Cowley intends to borrow $1,809,942 from the Wyoming Drinking Water State Revolving Loan Fund administered by the Wyoming Office of State Lands and Investments. The cost of the loan will be paid for by an increase in the rate for consumers within the Town of Cowley’s system. The Town of Cowley intends to apply for 72% principal forgiveness. Loan terms will be 0.5% interest rate and the term of the loan will be 30 years. To address the added debt taken by the Town, users will see an estimated increase of $3.65 per month.

The TOWN OF COWLEY 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 the project mainly consists of the waterline being replaced in previously disturbed ground within Town Streets. This project will be completely constructed in previously disturbed ground, specifically ground disturbed by roadways, irrigation lines, and sewer lines. 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 Big Horn County, Wyoming.

The documentation to support this decision will be on file in the DEQ Cheyenne Office and is available for public review upon request. Requests for information about the proposed decision may be directed to Tim Eisenhauer, SRF Project Engineer by email (*[email protected]* <[email protected]>) or phone (307) 777-6371). Written comments shall be addressed to Tim Eisenhauer, Department of Environmental Quality, 200 W. 17th St., Suite 200, Cheyenne, WY 82002 or via FAX (307) 635-1785., and be postmarked on or before 5:00 p.m. on June 23, 2025, to be considered. Electronic comments may only be submitted through and accepted by the Wyoming DEQ comment portal provided at *[link removed]. [ [link removed] ]* Phone or email comments will not be accepted.

* Para español, visite deq.wyoming.gov [ [link removed] ]*. "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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This email was sent to [email protected] using GovDelivery Communications Cloud on behalf of: Wyoming Department of Environmental Quality · 200 West 17th St.· Cheyenne, WY 82002 GovDelivery logo [ [link removed] ]
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