PROPOSED TEMPORARY TURBIDITY INCREASE IN BIG GOOSE CREEK IN SHERIDAN COUNTY

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Wyoming Department of Environmental Quality

PROPOSED TEMPORARY TURBIDITY INCREASE IN BIG GOOSE CREEK IN SHERIDAN COUNTY

Hayward-Baker, Inc has requested a waiver from the Wyoming Department of Environmental Quality, Water Quality Division (WDEQ/WQD) for a temporary increase in turbidity in Big Goose Creek (Section 27; T56N, R84W) in Sheridan County. Activity in cold water streams is normally limited to a ten (10) NTU increase over background. Approval of this request would allow an exceedance of this limit for up to one hundred (100) working days, subject to monitoring and reporting. This activity will follow the procedures in Chapter 1, Section 23(c)(ii), of the WDEQ Water Quality Rules and Regulations, which allow for temporary elevated levels of turbidity in certain circumstances. The applicant has received a 404 permit from the U.S. Army Corps of Engineers for the project. Proposed activities include emergency slope stabilization and the replacement of a sewer drain across Big Goose Creek.

Requests for related information and documents about the proposed temporary turbidity increase should be directed to Bret Callaway by email (bret.callaway@wyo.gov) or phone (307-777-5802). Comments must be addressed to Bret Callaway, Wyoming DEQ/WQD, 200 West 17th Street, 4th Floor, Cheyenne, WY 82002, and postmarked before 5:00 p.m. on June 24, 2019 (or faxed to 307-635-1784) to be considered. Phone or email comments will not be accepted.