Delaware River Report: July 28, 2025

The release from Cannonsville seems to be around 750 cfs. The increase is most likely a pulse to keep the Mainstem at Lordville under 75 degrees. It’s tough to say how long it will last so check the Stilesville gauge for the latest information. All the rivers got a small bump from the rain but not enough to really matter. The West Branch is still at a good level for floating and wading. Hopefully the increased release will flush some of the algae from up top. Even with the higher release the best shot at dry fly fishing will be the coldest water on the Upper West Branch and Upper East Branch. We’re still seeing midday sulphurs and small olives.

The Beaverkill, Lower East Branch, and Mainstem water temps are still peaking in the mid to high 70’s. It’s time to give these rivers a break until they cool back down.

Today will be 89 degrees and partly cloudy. Wind will be 5 – 10 mph from the North.

Matt and guide Tim Glynn found a few yesterday
It’s that time of year. August 15 – 16. Let’s clean up the river!

What’s Hatching:
Slate Drake – #12-2xl – 12 – Isonychia bicolor
Light Cahill – #14 – Epeorus vitreus (male), Ephemeralla rotunda, Ephemerella invaria
Pale Evening Dun – #14 – Epeorus vitreus (female)
Sulphur – #16 – 20 – Ephemerella dorothea
Dark Blue Wing Olive – #16 – 18 – Baetis spp.
Tan Caddis – #16 – 18 – Hydropsyche spp.
Tiny Blue Wing Olive – #22 – 26 – Pseudocloeon sp.


Click on the gauge links below for the latest flow information.

View the current local weather conditions.

Click on any gauge for the most recent data:
West Branch at Stilesville, NY691 cfs46°
West Branch at Hale Eddy, NY838 cfs48°
East Branch at Harvard, NY191 cfs57°
East Branch at Fishs Eddy, NY485 cfsN/A °
Mainstem at Lordville, NY1,390 cfs67°
Beaverkill at Cooks Falls, NY197 cfs68°
West Branch at 191 Bridge57°
West Branch at Walton (Cannonsville inflow)174 cfs70°
Cannonsville Reservoir Release750 cfs
Cannonsville Reservoir Capacity90.4%
Pepacton Reservoir Capacity92.1%
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