Blue Rock Mill

Aka Witmer’s Mill

1814Jacob H. Witmer
1832Current mill built
1888Hiram S. Young
1902Destroyed by fire
1902Rebuilt by Samuel Young
1915B. K. Snyder
1931Operations ceased
2006Blue Rock Heritage Center

The mill was refurbished in 2006 and is now the headquarters of the Blue Rock Heritage Center.


This mill is located at 2251 River Road, Washington Boro, PA.

Structure2.5 Story Stone
Water SourceWitmer’s Run
Headrace1,300 feet
Tailrace25 Feet
Dam Height4 feet
Power 1 Overshot
Capacity8 bbl / day