Delaware River Report / Conditions September 20, 2017

Sep 20, 2017 Comments Off by

We began yesterday with a 240 cfs release from Cannonsville.  By noon they were increasing the release and it finally settled at 570 cfs around 5 pm.  Before midnight the release was dropped and sits at 353 cfs.  Interesting is the nicest word I can think of to describe the releases over the last five days.  Yesterday was tough in the bright sun with tiny olives and a few heptagenia hatching towards dark.  We had a cooler night plus the air temperature should stay in the high 70’s today.  It still seems warm for mid September but it definitely feels cooler than the previous few days.  We should have a partly cloudy sky today which really means sunshine.  There may be some olive spinners on the water before the fog burns off.  Once the fog is gone look for shaded banks or nymph the deeper drop offs.  We’re still finding the best success with smaller nymphs.  Evening should be the same as yesterday with a mix of olives and heptagenias.


Jim and Samantha working wets on the shaded side of the river

Jim and Samantha working wets on the shaded side of the river

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 339 cfs
West Branch at Hale Eddy, NY 423 cfs
East Branch at Harvard, NY 125 cfs 57°
East Branch at Fish’s Eddy, NY 312 cfs
Mainstem at Lordville, NY 991 cfs
Beaverkill at Cooks Falls, NY 128 cfs 64°
Cannonsville Reservoir Release 354 cfs
West Branch at 191 Bridge  N/A 58°
West Branch at Walton (Cannonsville inflow) 108 cfs
Cannonsville Reservoir Capacity 74%
Pepacton Reservoir Capacity 83.9%


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