Kilton Lake Dam is an earth dam located in Montgomery County, Illinois, built in 1960. It carries a Low hazard potential classification.
Dam profile
NID height · 19 ft19 ft tall and 345 ft long. 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 Kilton Lake Dam
The primary purpose of Kilton Lake Dam is fish and wildlife pond. The dam creates habitat for fish and wildlife, supporting local ecosystems and potentially serving conservation goals. The dam is owned by Kilton Farms Inc. (private). It impounds the Threemile Creek-offstream near Panama.
The dam stands 19 feet tall and stretches 345 feet across, creates a reservoir covering 8 acres, has a maximum storage capacity of 84 acre-feet, and collects water from a drainage area of 0 square miles. 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 08/08/2025.
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Location
| State | Illinois |
| County | Montgomery |
| Nearest City | Panama |
| River/Stream | Threemile Creek-offstream |
| Coordinates | 39.24787, -89.63815 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 19 ft |
| Dam Height | 19 ft |
| Dam Length | 345 ft |
| Year Completed | 1960 (66 years old) |
Storage & Hydraulics
| NID Storage | 84 acre-ft |
| Max Storage | 84 acre-ft |
| Normal Storage | 56 acre-ft |
| Surface Area | 8 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 150 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fish and Wildlife Pond |
| Owner | Kilton Farms Inc. |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 08/08/2025 |
| Emergency Action Plan | No |
Identifiers
| NID ID | IL00973 |
| Federal ID | IL00973 |
| More Info | State Dam Safety Program |