Categorical Exclusion Determination, Town of Thermopolis, WY, Lead Service Investigation & Replacement



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Categorical Exclusion Determination, Town of Thermopolis, WY, Lead Service Investigation & Replacement

The Department of Environmental Quality/Water Quality Division (DEQ) has conducted a review of the proposed Town of Thermopolis - Lead Service Line Investigation & 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.

The town proposes a potholing and replacement project. This project will involve excavating and examining all unknown service lines to determine their material accurately, followed by the replacement of the service lines that meet the EPA requirements for needing to be replaced (lead). Completing this project will ensure full compliance with regulatory requirements.

The Town of Thermopolis completed its service line material inventory in the fall of 2024. From that inventory, they found that they have 1085 unknown service lines and 9 service lines that are known to be lead. These numbers serve as the basis for the project scope and cost estimate for the proposed project. The estimated cost for the entire project, and requested DWSRF loan amount is *$6,081,495* at 0% interest, with a 30-year term, repaid with Town user fees which are not anticipated to increase.

The Town is aware of and accepts the fact that it 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 consists of ground disturbance over existing infrastructure in previously disturbed areas. No work shall occur in the waters of the U.S. 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 Thermopolis, in Hot Springs 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
Tim Eisenhauer, SRF Principal Engineer
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. [ [link removed] ] "Americans with Disabilities Act: special assistance or alternative formats will be made available upon request for individuals with disabilities."


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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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