Blue Rock Mill

2251 River Road, Washington Boro, PA

(Lord #35-17) Jacob Witmer owned a mill in 1814 & 1815 and in 1815 it was described as being a 1.5 story, chopping mill built of wood. In 1832 Jacob Witmer built the present mill. It was 40×60 feet, 2.5 stories high, and was built of stone and frame. In c1882 Hiram Young acquired the mill, c1902 it was Samuel Young, and in 1915 B. K. Snyder purchased the mill and operated it until 1931.

Built1832
Structure2.5 Story Stone
Water SourceWitmer’s Run
TownshipManor
TypeGrist
Headrace1300 feet
Tailrace25 Feet
Dam Height4 feet
PowerOvershot Wheel
Capacity8 bbl / day