Approximate - nearest available gauge. Use as general reference only.
Described as "a twelve-foot graded drop", a decent photo of the falls at low water (found at: Flickr):
The falls is "adjacent to the old Nonesuch Mine ruins as well as a mining ghost town of the same name. The Nonesuch place name originated from the uniqueness of the geology in the bedrock: "none such" rock—copper-containing sandstone—had ever been found before."