Perkiomen Valley TU Hatch Chart and Stream Conditions

 This is a “general” Pennsylvania Hatch Chart. Not all bugs occur on all streams, and timing can vary by stream and by year. This chart is a good starting point to prepare for hatches across Pennsylvania.

Water Flows, Gage Heights and Temperatures Available for Rivers and Streams.

USGS - science for a changing world

Perkiomen Creek    Tulpehocken Creek     Manatawny Creek      Pohopoco Creek   

Little Lehigh    Penns Creek    Spring Creek    Pine Creek     Kettle Creek     Little Juniata  

 Juniata River     Susquehanna River