Channahon Dam at DuPage River - Channahon, IL
Posted by: 
cldisme
N 41° 25.395 W 088° 13.683
16T E 397381 N 4586471
A sloping spillway for the Channahon Dam
Waymark Code: WM3QFK
Location: Illinois, United States
Date Posted: 05/05/2008
Views: 49
This particular structure was originally built in 1935 as a replacement for the original dam (1848, replaced 1877) designed to provide a stable impoundment of the DuPage River for the I&M Canal to cross (instead of an aqueduct).
The spillway continues its function of providing a stable water elevation for the DuPage River. The spillway that creates this man-made waterfall is 165 feet long and 11.5 feet high with a slope of 2.5:1.
Source: The Conservation Foundation; "DuPage River Dam Study" (2003)
Location of the waterfall:
S. Canal St. & W. Story St.
Channahon, IL USA
60410
Coordinates of parking: N 41° 25.395 W 088° 13.683
Type / features of structure: Spillway
Estimated height in feet: 11
Estimated width in feet: 165
River/stream/lake/reservoir: DuPage River
Fees: Not Listed
Flow dates: Not listed
Estimated height in meters: Not Listed
Estimated width in meters: Not Listed
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Visit Instructions:
To log this waymark, you will need to be able to prove to the waymark owner that you were at the waterfall in question. An original photo of the waterfall with your GPS in the photo would count as proof. Or a logged visit to a geocache in the area of the waterfall could also count as proof of a visit.