An article I read the Blue River Watershed Group shows that the 2011 snowpack in the Colorado River Basin reached about 165 percent of average at the end of last month, surpassing 1984′s snowpack which hit about 160 percent of average in May. Natural Resources Conservation Service data has the Colorado River Basin at 151 percent of average. Water content at Copper Mountain, which flows into Ten Mile Creek, is at its highest this year, and the snow survey site on the Snake River above Keystone is at 231 percent of average…

“The last two weeks in April were when we really got pounded with some of the biggest storms of the season — pretty relentless — at some of these locations,” said snow survey supervisor Mike Gillespie of the Natural Resources Conservation Service…

I would suggest that you shop around and monitor river levels before trying to fly fish any Colorado rivers, streams and creeks…