Watershed Council Tours Island Park Reservoir - Henry's Fork Foundation

Watershed Council Tours Island Park Reservoir

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Thank you to all of those who attended this year’s annual Henry’s Fork Watershed Council tour! Participants toured the Last Chance Wastewater Treatment Plant, Island Park Reservoir, and Island Park Dam. A special thank you to Fremont County, the City of Island Park, Forsgren Associates, Fall River Rural Electric Cooperative, and Fremont-Madison Irrigation District for sharing their knowledge on some great new projects in our watershed–like the DIRTT Plan and Last Chance WWTP upgrades.

Learn more about the Watershed Council here.

Learn more about the DIRTT Plan here.

Learn more about how Island Park Dam works and how it’s managed.

Learn more about Last Chance WWTP here.

Categories

Recent Posts

Recent Posts

Fisheries

HFF Monitors Kokanee Spawning Runs for Second Year

Kokanee, the landlocked form of sockeye salmon, have been stocked in Island Park Reservoir since the 1940s. Through a combination of stocking and wild recruitment, kokanee salmon populations have become an important component of the Upper Henry’s Fork ecosystem and social fabric. Historically, kokanee turn the river red during their fall spawning migration out of the reservoir and upstream through Mack’s Inn to tributaries like Moose Creek, Henry’s Lake Outlet, and others. Here, kokanee offer

Christina Morrisett November 9, 2026

Research and Monitoring

A New View Beneath the Surface

New monitoring technology brings a clearer picture of Island Park Reservoir—and new possibilities for the Henry’s Fork. It started with a massive crate in the Henry’s Fork Foundation parking lot. After a summer of troubleshooting, learning new technology, testing equipment, and plenty of problem-solving, HFF’s newest water-quality monitoring buoy made its way onto Island Park Reservoir in September. What may look like a simple piece of equipment floating on the water represents an exciting step

Jamie Powell November 9, 2026

Intern

From River Bottoms to Mountaintops

For the first half of my internship, it was unclear if we would get to install the snow monitoring stations. With only three weeks left in my internship, the parts arrived, the permitting was approved, and I am happy to say that we have three stations in the ground! Dr. Lang, Joe, and I were like three kids on Christmas opening up all the boxes, only a little more careful due to the fragility of

Sam Pruitt November 4, 2026

General

The Henry’s Fork Hosts the World Fly Fishing Championship—and Team USA Makes History!

Our Aquatic Ecology Program Manager, Dr. Jack McLaren, joined Idaho Falls city and FIPS-Mouche leadership at the opening ceremony parade along the Snake River Greenbelt to welcome competitors to the watershed and to make sure conservation was front and center.

Jack McLaren October 13, 2026