I used to fish it as a kid...I do remember specifically finding pods of rising fish that appeared to be eating nothing, lol. I used to catch them on midges fished in the film. Good to hear that the stream still has some activity. I stopped fishing it regularly right around the time they built Main Street in Exton. I remember that water used to run cold through the middle of the summer. I used to wet wade that through the center of the creek and was always amazed by the amount of fish scattering. Then the fall would come and I swear the fish seemed like they would all but disappear.
In terms of hatches I do remember running into a couple of hatches there when I was a kid but I couldn't tell you today what they were...maybe Hendricksons? Sulphurs? I do remember a fairly decent sized brown mayfly. I also saw the same brown mayfly over on Beaver Creek on the other side of Downingtown.
