Henry’s Fork, August 9th, 2022

Think terrestrial insect patterns just about anywhere you try the Henry’s Fork. Ants, In particular honey ants will be coming on strong with respect to interesting trout. Dry-dropper rigs also produce in such as Box Canyon, Cardiac Canyon, the Flat Ranch, and Warm River to Ashton.

Headlines from Dr. Rob Van Kirk Henry’s Fork drainage water status report of yesterday follow.

Headlines:  

• Temperatures climbed above average yesterday, and no precipitation was recorded. Potentially heavy precipitation is expected again late this week and into the weekend.
• Watershed-wide natural flow decreased yesterday to 75% of average, while diversion increased a hair.
• At an outflow of 777 cfs yesterday, Island Park Reservoir dropped by around 500 ac-ft and is 62% full, which is average for the date.
• Water quality: Turbidity at Island Park Dam reached its highest values since last fall yesterday but has dropped quite a bit over the past 18 hours.

Dr. Rob Van Kirk PhD

Senior Scientist

Henry’s Fork Foundation

PO Box 550

Ashton, ID 83420

208-881-3407 CELL