Water Quality

HFF BLOGS

Scroll through to read the most recent HFF Blogs and articles. Or click on the keywords at the top of the page to sort blogs and articles by topic.

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...

63 views

The Year 2022 in Review: Can you say "cold, wet spring?"

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...

98 views

Harmful Algal Blooms and Island Park Reservoir

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...

127 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...

86 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...

33 views

Major weather change brings potential for sediment delivery at Island Park Dam

Rob Van Kirk

Sep 8, 2022

Major weather change brings potential for sediment delivery at Island Park Dam

A major weather pattern change away from recent record-breaking heat to more seasonable early-autumn conditions brings with it the...

50 views

Frequently Asked Questions: Turbidity in Island Park Reservoir Outflow

Rob Van Kirk

Aug 11, 2022

Frequently Asked Questions: Turbidity in Island Park Reservoir Outflow

Why is turbidity higher when flow comes out of the gates? Two dam outflow points: 1) original dam gates and 2) power plant siphon Gates...

110 views

How Drought Affects the Henry's Fork: A unique case among western rivers

Jamie Powell

May 3, 2022

How Drought Affects the Henry's Fork: A unique case among western rivers

What is the state of the drought in the Henry’s Fork Watershed? As of early April, water year precipitation sat at 79% of average (21%...

338 views

Henry's Fork Water Supply: Lowest water supply since 2001 and possibly 1934

Rob Van Kirk

May 3, 2022

Henry's Fork Water Supply: Lowest water supply since 2001 and possibly 1934

Each spring, Dr. Rob Van Kirk analyzes water supply data for the water year so far (Oct 1 - April 1) to assess the water situation and...

392 views

The Upper Henry’s Fork Project: bottlenecks limiting fish populations

Jack McLaren

Mar 4, 2022

The Upper Henry’s Fork Project: bottlenecks limiting fish populations

This is the second blog in a series about research activity in the Upper Henry’s Fork. Click here for part 1 and stay tuned for the next...

661 views

The Upper Henry’s Fork Project: uncovering the diamond in plain sight

Jack McLaren

Feb 4, 2022

The Upper Henry’s Fork Project: uncovering the diamond in plain sight

Background: Since 2018, PhD student Jack McLaren (that’s me!) has been working with the Foundation to understand what restricts fisheries...

386 views

Jamie Powell

Jan 19, 2022

HFF's Top 10 for 2021

At the end of each year, the Henry's Fork Foundation (HFF) takes a moment to reflect back on some memorable events and accomplishments...

190 views

Henry's Fork Macroinvertebrate Monitoring, 2020 & 2021

Bryce Oldemeyer

Jan 13, 2022

Henry's Fork Macroinvertebrate Monitoring, 2020 & 2021

Highlights In 2020, HFF staff were unable to collect macroinvertebrate samples at Ashton, Ora, and St. Anthony due to Covid-19. HFF staff...

213 views

Water Year 2021: Average reservoir carryover with a 2016 water supply

Rob Van Kirk

Jan 7, 2022

Water Year 2021: Average reservoir carryover with a 2016 water supply

Water year 2021 turned out to be as dry or drier than 2016 by most measures, yet Island Park Reservoir volume on September 30 was just a...

131 views

AJ Mabaka

Aug 4, 2021

That’s A Wrap!

Throughout these last few weeks I have truly been amazed by how time has flown by. As I now enter my ninth week with the Henry’s Fork...

53 views

AJ Mabaka

Jul 16, 2021

AJ’s Adventures in Ashton

Wow, having just finished my fifth week with the Henry’s Fork Foundation, I can’t believe half of my time with HFF has passed by! From...

52 views

Kam Allison

Jun 17, 2021

4th Annual HFF Summer Seminar Series

Click here to view the presentations. 4:00 to 5:00 p.m. on Tuesdays from June 15 – August 10 Presentations will be held virtually via...

76 views

Official Drought Designation and First “Dry” Year Since 2016

Rob Van Kirk

Jun 16, 2021

Official Drought Designation and First “Dry” Year Since 2016

After enjoying four years of average or slightly above average water supply, plus near record trout populations, we knew a dry year would...

48 views

Bryce Oldemeyer

Jun 16, 2021

South Fork Water and Weather Outlook

Photo Credit: Michelle Bliss Photography The South Fork watershed has been blessed with average to above-average water supply the last...

18 views

South Fork Snake River Macroinvertebrate Study 2019

Bryce Oldemeyer

May 12, 2021

South Fork Snake River Macroinvertebrate Study 2019

Highlights February 2019, we began our long-term monitoring of aquatic macroinvertebrates (insects and other creatures that live in the...

60 views

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