Gill Lake Dam, located in Schuyler County, Illinois, is a private earth dam constructed in 1974 by the USDA NRCS.
Wind
Humidity
The dam, with a height of 30 feet and a length of 290 feet, serves primarily for recreational purposes, providing a storage capacity of 38 acre-feet. The dam's spillway type is uncontrolled, with a width of 40 feet, and it is situated on the TRIB SOUTH BRANCH SUGAR CREEK.
Managed by the Illinois Department of Natural Resources (IDNR), Gill Lake Dam poses a significant hazard potential and has a moderate risk assessment rating. The dam has not been assessed for its condition, emergency action plan preparedness, or inundation mapping. However, regular inspections are conducted every three years, with the last inspection taking place in July 2015, to ensure the dam's structural integrity and safety.
Despite its potential risks, Gill Lake Dam remains a popular spot for outdoor enthusiasts seeking recreational activities in Ray, Illinois. With its picturesque surroundings and ample storage capacity, the dam continues to be an important water resource and climate feature in the area, attracting visitors and serving as a vital part of the local ecosystem.
Year Completed |
1974 |
Dam Length |
290 |
Dam Height |
30 |
River Or Stream |
TRIB SOUTH BRANCH SUGAR CREEK |
Primary Dam Type |
Earth |
Nid Storage |
38 |
Outlet Gates |
Uncontrolled |
Hazard Potential |
Significant |
Foundations |
Unlisted/Unknown |
Nid Height |
30 |
La Moine River At Ripley
|
33cfs |
Spoon River At Seville
|
161cfs |
La Moine River At Colmar
|
17cfs |
Sangamon River Near Oakford
|
356cfs |
Illinois River At Valley City
|
2970cfs |
Sangamon River At Petersburg
|
146cfs |