I found these regs here:
http://www.wildlife.utah.gov/proclamations/2006_fishing/2006_fishing.pdf
I'd sure like to try for some stripers!!!
4. Underwater Spearfishing
R657-13-9
(1) Underwater spearfishing is permitted from official sunrise to official sunset.
(2) Use of artificial light is unlawful while underwater spearfishing.
(3) Causey Reservoir, Deer Creek Reservoir, Fish Lake, Flaming Gorge Reservoir, Joe’s
Valley Reservoir, Ken’s Lake, Lake Powell, Lost Creek Reservoir, Red Fleet Reservoir, Steinaker
Reservoir, Starvation Reservoir, and Willard Bay Reservoir are open to taking game fish by
means of underwater spearfishing from June 1 through September 30, 2006. These are the
only waters open to underwater spearfishing for game fish.
(4) Lake Powell is open to taking carp and striped bass by means of underwater
spearfishing from January 1 through December 31, 2006 (See Section V. PROVISIONS FOR
SPECIFIC WATERS, Lake Powell.).
(5) The bag and possession limit is two game fish. No more than one game fish greater
than 20 inches may be taken, except at Flaming Gorge Reservoir. At Flaming Gorge
Reservoir only one lake trout (mackinaw) greater than 28 inches may be taken. (See Section
V. PROVISIONS FOR SPECIFIC WATERS.)
(6) Nongame fish may be taken by spearfishing only in the waters listed in Subsections
(3) and (4) above and as provided in Section III.D. TAKING NONGAME FISH.
(7) Carp may be taken from any water open to angling during the open angling
season.