Glenwood Lake Dam
Glenwood Lake Dam is an earth dam located in Coles County, Illinois, built in 1970. It carries a Low hazard potential classification.
About Glenwood Lake Dam
The primary purpose of Glenwood Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Lake Glenwood Homeowners Association (private). It impounds the Riley Creek near Charleston.
The dam stands 28 feet tall and stretches 300 feet across, and has a maximum storage capacity of 86 acre-feet. Completed in 1970, the structure is well into its service life at over 50 years old.
This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life. The most recent inspection on record was 10/16/2024.
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Location
| State | Illinois |
| County | Coles |
| Nearest City | Charleston |
| River/Stream | Riley Creek |
| Coordinates | 39.47358, -88.18995 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 28 ft |
| Dam Height | 28 ft |
| Dam Length | 300 ft |
| Year Completed | 1970 (56 years old) |
Storage & Hydraulics
| NID Storage | 86 acre-ft |
| Max Storage | 86 acre-ft |
| Normal Storage | 52 acre-ft |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | LAKE GLENWOOD HOMEOWNERS ASSOCIATION |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Available |
| Last Inspection | 10/16/2024 |
| Emergency Action Plan | No |
Identifiers
| NID ID | IL00717 |
| Federal ID | IL00717 |
| More Info | State Dam Safety Program |