
Water Quality
Island Park Reservoir Outflow Plan (Updated 9/16)
Drone photo taken on September 9, 2026 The Henry’s Fork Drought Management Planning Committee met on Wednesday, September 16 2026 to develop an updated reservoir

Drone photo taken on September 9, 2026 The Henry’s Fork Drought Management Planning Committee met on Wednesday, September 16 2026 to develop an updated reservoir

Photo of Island Park Reservoir taken Friday, August 28, 2026 The ingredients for green algae blooms, the primary culprit for turbid water in Island Park,

Island Park Reservoir on June 24, 2026 Questions answered in this article: Why are Island Park Reservoir levels so low this year? Is Island Park

“It feels like July!” was a common sentiment shared around the watershed last month. Anglers enjoyed Brown Drakes on the Ranch three weeks earlier than