PROPOSED TEMPORARY TURBIDITY INCREASE IN ARIZONA CREEK IN TETON COUNTY

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Wyoming Department of Environmental Quality

PROPOSED TEMPORARY TURBIDITY INCREASE IN ARIZONA CREEK IN TETON COUNTY

National Park Service has requested a waiver from the Wyoming Department of Environmental Quality, Water Quality Division (WDEQ/WQD) for a temporary increase in turbidity in Arizona Creek (Section 14; T46N, R115W) 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 seventy six (76) 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 repairing a damaged culvert.

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 July 17, 2019 (or faxed to 307-635-1784) to be considered. Phone or email comments will not be accepted.