PROPOSED TEMPORARY TURBIDITY INCREASE IN FLAT CREEK IN TETON COUNTY

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Wyoming Department of Environmental Quality

PROPOSED TEMPORARY TURBIDITY INCREASE IN FLAT CREEK IN TETON COUNTY

The Wyoming Game and Fish Department has requested a waiver from the Wyoming Department of Environmental Quality, Water Quality Division (WDEQ/WQD) for a temporary increase in turbidity in Flat Creek (Section 28; T40N, R116W) in Teton 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 twenty (20) 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 404 permit from the U.S. Army Corps of Engineers for the project. Proposed activities include grading, scarifying, and compacting terrain; removal of a flatcar bridge and replacing with a new modular steel bridge; and installation of timber pilings, wing walls, and riprap to armor abutments.

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 May 15, 2019 (or faxed to 307-635-1784) to be considered. Phone or email comments will not be accepted.