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CATEGORICAL EXCLUSION DETERMINATION
For the City of Gillette Madison 30 inch Repair Project,
Campbell County, Wyoming
The Department of Environmental Quality/Water Quality Division (DEQ) has conducted a review of the proposed Madison 30 inch Repair 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 City of Gillette Madison 30 inch Repair Project includes replacement of a damaged section of the existing Madison 30 inch Transmission Main that supplies potable drinking water to the City of Gillette. The total estimated cost of the Madison 30 inch Repair Project is $10M. The SRF loan application will be requesting funding in the amount of $10M. Loan repayment will be made based on the water utility rates.
The City of Gillette 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. No significant impacts are expected, as the project is replacing existing transmission main, in areas within the existing highway right of way that have previously been disturbed.
DEQ is granting an exclusion because this project replaces existing infrastructure, in areas that have previously been disturbed. This project will be completely constructed in previously disturbed ground, specifically ground disturbed by construction of the existing transmission main and state highway. 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 project, which lies in 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 Shawn King, 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: [email protected].
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