Lynnwood Lake Dam
Lynnwood Lake Dam is an earth dam located in Henry County, Illinois, built in 1960. It carries a Low hazard potential classification.
About Lynnwood Lake Dam
The primary purpose of Lynnwood Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Lynwood Lake Homeowners (private). It impounds the Trib Camp Creek near Snedona-ofstream.
The dam stands 24 feet tall and stretches 348 feet across, and has a maximum storage capacity of 118 acre-feet. Completed in 1960, 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 05/02/2025.
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Location
| State | Illinois |
| County | Henry |
| Nearest City | Snedona-ofstream |
| River/Stream | Trib Camp Creek |
| Coordinates | 41.31119, -90.38766 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 24 ft |
| Dam Height | 24 ft |
| Dam Length | 348 ft |
| Year Completed | 1960 (66 years old) |
Storage & Hydraulics
| NID Storage | 118 acre-ft |
| Max Storage | 118 acre-ft |
| Normal Storage | 77 acre-ft |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | LYNWOOD LAKE HOMEOWNERS |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Available |
| Last Inspection | 05/02/2025 |
| Emergency Action Plan | No |
Identifiers
| NID ID | IL00468 |
| Federal ID | IL00468 |
| More Info | State Dam Safety Program |