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STATE ENGINEER’S OFFICE FINAL OPINION OF THE

WATER SUPPLY AND WATER YIELD ANALYSIS

FOR

DRY CREEK TRONA PROJECT – ALTERNATIVE D,

SWEETWATER COUNTY, WYOMING

NOVEMBER 2024

The State Engineer’s role in industrial development and siting is outlined under Wyoming Statute (W.S. § 35-12-108). If an applicant for an industrial siting permit plans to construct a facility which will use more than 800 acre-feet (260.7 million gallons) of water per year, the applicant must submit a water supply and water yield analysis to the State Engineer. The State Engineer will then review the analysis and “render a preliminary opinion as to the quantity of water available for the proposed facility” (W.S. § 35-12-108(c)). 

Pursuant to W.S. 35-12-108, the State Engineer’s Office published the preliminary opinion once a week for three consecutive weeks in the Green River Star (i.e., September 19th & 26th, and October 3rd, 2024).  Before rendering a final opinion as to the quantity of water available for the proposed Dry Creek Trona Project – Alternative D, the State Engineer provided a 20-day period after the last date of publication which ended on October 23rd, 2024, for the submission of written comments. The only comment received was a letter from the Wyoming Game and Fish Department.  That letter and the SEO response are available as Appendix A of the final opinion.

The Water Supply and Yield Analysis Report for Dry Creek Trona Project – Alternative D (September 9, 2024) and the State Engineer’s Final Opinion (November 2024), are available on the State Engineer’s Office website @ https://seo.wyo.gov/home/news-press-releases

 


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