Delaware River Report / Conditions September 22, 2017

Sep 22, 2017 Comments Off by

Update:  The Cannonville release will be increased on the following schedule today

8 AM – 755 cfs

9 AM – 856 cfs

10 AM – 890 cfs


The release from Cannonsville peaked at 815 cfs around 5 PM last night.  This morning it has been dropped back a little to 654 cfs until further notice.  The increased cold water release should help the Mainstem temperatures during this heat wave.  Lordville peaked over 70 degrees yesterday so this is a welcome relief.  The Montague Flow target is at least partially responsible for the release since they have cut back the release from Lake Wallenpaupack for the weekend.  While the additional cold water is certainly welcome it made for tough fishing yesterday.  The increased released colored the upper river and let loose the normal algae we see when the water rises.  It hit the lower river by early evening bringing some color and increased debris but most of the algae filtered out up top.  We did have quite a few tiny olives out in the evening.  It took a long time for the fish to get happy and there was finally some rising towards dark.  Today should be better provided they keep the release steady and don’t pull any Yo Yo moves.  There were a few Heptagenia hatching but they never really seemed to get going.  The increased cold water will also open up more water on the Mainstem where the isonychia hatch has been stronger.

Jim working the wet flies in the rising water

Jim working the wet flies in the rising water

Slate Drake #12 – 14 – Isonychia bicolor
Light Cahill – #14 – Summer Sulphurs, Stenocron spp.
Little BWO – #22 – 26- Pseudocloeon sp.
Blue Wing Olives – #18 – Baetis sp.
Olive Sulphur – #18 – 20 – Heptagenia hebe
Little Tan Sedge – #16 – 18 – Glossosoma sp.
Green Caddis – #16 – Ryacophilia sp.
Tan Caddis #16 – 18 – Hydropsyche spp.


Click on the gauge below for the most recent update:

West Branch at Stilesville, NY 645 cfs
West Branch at Hale Eddy, NY 692 cfs
East Branch at Harvard, NY 122 cfs 58°
East Branch at Fish’s Eddy, NY 288 cfs
Mainstem at Lordville, NY 1,190 cfs
Beaverkill at Cooks Falls, NY 114 cfs 63°
Cannonsville Reservoir Release 654 cfs
West Branch at 191 Bridge  N/A 56°
West Branch at Walton (Cannonsville inflow) 96 cfs
Cannonsville Reservoir Capacity 73.2%
Pepacton Reservoir Capacity 83.3%


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