WMOD00192

• Applicant: Stauffer, Williams
• Sponsor Name: Utah DWR
• Project Name: Utah Cloud Seeding Runoff/Cost Analyses
• Title: Utah Cloud Seeding Program Increased Runoff/Cost Analyses
• Prepared For: Utah DWR
• Prepared By: Norman E. Stauffer Jr., Kevin Williams
• Date: 2/1/2000
• State: UT
• Weather Modification - Doc Type: Report

Table ~.
Cloud Seedine. Project Area Estimated Increased Runoff
A ,ocrage Increase Increase
in Runoff Increased
Project Areas Annual April t in Factor*** Runoff
Runoff Runofr"*
(ae.ft) SWC* (percent) (percenl) (ae.ft)
(pereenl)
Cache County 424.000 iO.O 11.8 11.8 50,032
West Box Elder 57,800 18.0 13.1 23.6 13.629
Tooele County 43,300 18.0 12.0 21.6 9.353
Sevier River 653,000 4.0 11.8 4.7 30,822
Cedar-Reaver 135.000 4.0 12.4 5,0 6.696
West Colorado 41\.500 4.0 11.9 4.8 19.587
Virgin River 192.400 4.0 1\,8 ~.7 9,081
Western Uinta's 492.000 2.3 11.7 2.7 13.240
lligh Uinta's 773.300 6.0 15.2 9.1 70,525
Total 3,182.300 222.965
Northern Utah Project 481,800 63.661
Central and Southern
Utah Project 1 ,~35.200 75,539
Western Uinta Project ~92.000 13.2~0
High Uinta Project 773,300 70.525
"April I sno".."'"aln-cOnlent
..I"c~a>cinannualT\lnotTfOTaIO"4o;Il<:re-ascinApriIISW('
...RunotTFactor(pt'n:....I) equals lnCTcllS(' In :\prill SWC li~ inc~~ In mnotTfOfa l0"4iTJC~"" in .-\pnll SW(" dividnl by 10.

Table 5.
Increased Runoff and Cost for the Cloud Seedin!.! Proiects
Project Increased RunoIT(ac~n) Cost (S) Cost (S/ae-ll)
Northern Utah 63.661 76.507 1.20
Central and Southern 75.539 159.6 7~ 2.1\
Western Uinta ~1ountains 13.2~0 65.682 ~.96
High Uinta Mountains 70.525 75,999 1.08
Total 222.965 377.862 1.69

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