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Jamie Powell
- 7 days ago
Henry's Fork Weekly River Updates
Below are examples of past river update emails. This week's most current email is in inboxes now. To opt-in to receive these weekly...
303 views
Rob Van Kirk
- Apr 20
FAQ: Turbidity, Sediment, and Island Park Reservoir
What's the difference between turbidity and sediment? Not all turbidity is sediment, and in spring, late summer, and fall it is most...
585 views
Jamie Powell
- Apr 10
FAQ: What is a Spring Freshet?
NEW TOOL: Track turbidity during the 2023 Spring Freshet! Freshet: A high rate of streamflow for a short amount of time. Typically a...
599 views
Jamie Powell
- Mar 10
Plenty to Celebrate on the Henry's Fork and Here's Why
We know last year was a tough fishing year for many, and yes, we’re still seeing the effects of drought. But, we’ve been reminded...
120 views
Jamie Powell
- Mar 9
Aquatic Insect (Macroinvertebrate) Data Results: 2015-2022
Beginning in 2015, the Henry’s Fork Foundation, in consultation with River Continuum Concepts, established an annual aquatic insect...
396 views
Jamie Powell
- Feb 16
The Henry's Fork in 2022
What You Might Have Missed We share a lot of information about the river throughout the year, and we know it can be a lot. In case you...
229 views
Jamie Powell
- Jan 12
Understanding SWE and Snowpack in Winter
What is Snow-Water Equivalent (SWE)? When it comes to how snow will benefit the river, looks can be deceiving. That's why we report...
94 views
Jamie Powell
- Jan 12
Top 10 for 2022
At the end of each year, the Henry's Fork Foundation (HFF) takes a moment to reflect back on some memorable events and accomplishments...
167 views
Rob Van Kirk
- Jan 4
Fish of the Month Year Eight
Stone Bridge in January, where fish-of-the-month usually starts. Decades ago, Henry's Fork Anglers guide Tom Grimes and I started a...
187 views
Rob Van Kirk
- Jan 3
The Year 2022 in Review: Can you say "cold, wet spring?"
A cool, rainy sunset at Vernon Bridge in May. Climate. Peak snow water equivalent (SWE) was 71% of average and 3rd lowest in the...
236 views
Henry's Fork Foundation
- Dec 28, 2022
The Shrine of the Green Drake
Left to right: Myles Greenberg, Michele Greenberg, and Scott Jolley. Written by Scott Jolley *Scott passed away in 2021. Below is his...
465 views
Rob Van Kirk
- Nov 21, 2022
Irrigation Year 2022 Summary
While natural streamflow clearly reflected long-term hydrologic conditions and short-term precipitation and temperatures, patterns in...
33 views
Jamie Powell
- Oct 28, 2022
Harmful Algal Blooms and Island Park Reservoir
A recent Hatch Magazine article discussed the occurrence of harmful algal blooms (HABs) or cyanobacteria in Henrys Lake primarily, but...
137 views
Jamie Powell
- Oct 27, 2022
When does the river freeze in winter and does ice affect trout?
This information was first published in an HFF blog by Christina Morrisett and Rob Van Kirk in 2015. When does the river freeze? As far...
234 views
Jamie Powell
- Oct 12, 2022
Programs and Impacts -- 2022
We continue to try to share as much information as possible in as many ways as possible, to try to reach everyone who might be...
104 views
Christina Morrisett
- Oct 6, 2022
Changes to Lower River Management Benefit Upper River
Highlights: The lower river between St. Anthony and Parker is an important summer management lever for Island Park Reservoir. The Drought...
104 views
Rob Van Kirk
- Oct 6, 2022
Water Year 2022 Summary: Island Park Reservoir Management
Headlines: Winter inflow to Island Park Reservoir was the second lowest in the 1934-2022 record, but the outflow of 220 cfs was higher...
51 views
Rob Van Kirk
- Oct 4, 2022
Water Year 2022 Summary: Natural Streamflow
Headlines: Natural streamflow was 72% of average, ranking as the driest year in the 1978-2022 record. By subwatershed, natural flow was...
14 views
Rob Van Kirk
- Oct 3, 2022
Water Year 2022 Summary: Climate
Headlines: Peak snow water equivalent (SWE) was 71% of average and 3rd lowest in the 1989-2022 record, but SWE peaked on April 24, 12...
18 views
Jamie Powell
- Sep 14, 2022
Why has turbidity been high this year?
The short answer: A record cold spring, followed by extreme heat and record dry conditions contributed to a need for high outflow from...
42 views