The Gordon Creek Watershed, in southwestern Dane, northwestern Green, and southeastern Iowa counties, is an agricultural watershed in the driftless part of the state, with no incorporated areas in it. Polluted runoff problems exist in the watershed, but the extent of the problem has not been fully evaluated. German Valley Branch German Valley Branch is a tributary to Gordon Creek in southwestern Dane County.
Polluted runoff is the major water quality and habitat problem.
Gordon Creek Also known as Blue Mounds Branch and Big Spring Creek, this stream rises near the village of Blue Mounds and flows south to the East Branch Pecatonica River near Blanchardville. Kittleson Valley Creek Kittleson Valley is a tributary to Gordon Creek in southeast Iowa County. Recreational use of this stream is impaired due to polluted runoff. This is a tributary to Kittleson Valley Creek in southwest Dane County. Grazing along the stream appears to be the primary water quality and habitat problem.