Kincaid City Lake Dam is an earth dam located in Christian County, Illinois, built in 1940. It carries a Significant hazard potential classification.
Dam profile
NID height · 37 ft37 ft tall and 525 ft long, taller than 83% of U.S. dams with a recorded height. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Kincaid City Lake Dam
The primary purpose of Kincaid City Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Village of Kincaid (local government). It impounds the Trib South Fork Sangamon River near Talorville.
The dam stands 37 feet tall and stretches 525 feet across, creates a reservoir covering 31 acres, has a maximum storage capacity of 1,575 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1940, the structure is well-established, with more than 75 years of service.
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 09/19/2025.
At 37 feet, this dam is taller than 83% of dams nationwide.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Illinois |
| County | Christian |
| Nearest City | Talorville |
| River/Stream | Trib South Fork Sangamon River |
| Coordinates | 39.57623, -89.37578 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 37 ft |
| Dam Height | 37 ft |
| Dam Length | 525 ft |
| Year Completed | 1940 (86 years old) |
Storage & Hydraulics
| NID Storage | 1,575 acre-ft |
| Max Storage | 1,575 acre-ft |
| Normal Storage | 264 acre-ft |
| Surface Area | 31 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 13,485 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Village of Kincaid |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Not assessed |
| Last Inspection | 09/19/2025 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | IL00128 |
| Federal ID | IL00128 |
| More Info | State Dam Safety Program |