The creek is designated as an impaired waterbody, with the causes being metals and pH and the probable source being abandoned mine drainage.
It flows in a westerly direction through the valley for several tenths of a mile, entering Barry Township.
[4] Hans Yost Creek is designated as an impaired waterbody for its entire length.
One is known as the Moser Mine Pool Discharge and enters the creek in its upper reaches.
[3] The headwaters of Hans Yost Creek flow through forested land and are difficult to access.
[4] Hans Yost Creek was entered into the Geographic Names Information System on August 2, 1979.
[6] This variant name appears in a Pennsylvania Department of Transportation map of Schuylkill County dating to 1975.
[7] The watershed of Hans Yost Creek experienced extensive mining during the late 1800s and early 1900s.
[4] In 1976, the Schuylkill County Sportsmen's Association began a drive to construct a fish nursery with a capacity for 30,000 trout on the creek.
Coal Company proposing to mine at the headwaters of Deep Creek and discharge treated water into the watershed of Hans Yost Creek; the Schuylkill County Sportsmen's Association opted to believe that the coal mining operation would not pollute anything.
[4] Treatment for the lower reaches of Hans Yost Creek are also being considered by the Tri-Valley Watershed Association.
[9] The drainage basin of Hans Yost Creek is classified as a Coldwater Fishery.