Fyre Lake Dam
Fyre Lake Dam is an earth dam located in Mercer County, Illinois, built in 1972. It carries a Significant hazard potential classification.
About Fyre Lake Dam
The primary purpose of Fyre Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Fyre Lake Property Owners Association (private). It impounds the Trib Camp Creek near Matherville.
The dam stands 53 feet tall and stretches 1,085 feet across, creates a reservoir covering 155 acres, has a maximum storage capacity of 3,950 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1972, the structure is well into its service life at over 50 years old.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. An emergency action plan is in place for this dam. The most recent inspection on record was 05/02/2025.
At 53 feet, this dam is taller than 94% of dams nationwide.
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Location
| State | Illinois |
| County | Mercer |
| Nearest City | Matherville |
| River/Stream | Trib Camp Creek |
| Coordinates | 41.29603, -90.48704 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 53 ft |
| Dam Height | 53 ft |
| Dam Length | 1,085 ft |
| Year Completed | 1972 (54 years old) |
Storage & Hydraulics
| NID Storage | 3,950 acre-ft |
| Max Storage | 3,950 acre-ft |
| Normal Storage | 2,870 acre-ft |
| Surface Area | 155 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 2,450 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | FYRE LAKE PROPERTY OWNERS ASSOCIATION |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Not Available |
| Last Inspection | 05/02/2025 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | IL01007 |
| Federal ID | IL01007 |
| More Info | State Dam Safety Program |