Gillis Lake Dam
Gillis Lake Dam is an earth dam located in Holt County, Missouri, built in 1972. It carries a Low hazard potential classification.
About Gillis Lake Dam
The primary purpose of Gillis Lake Dam is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by Charles H Gillis (private). It impounds the Tr-davis Creek near Mound City.
The dam stands 30 feet tall, creates a reservoir covering 10 acres, has a maximum storage capacity of 160 acre-feet, and collects water from a drainage area of 1,076 square miles. Completed in 1972, 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.
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Location
| State | Missouri |
| County | Holt |
| Nearest City | Mound City |
| River/Stream | Tr-davis Creek |
| Coordinates | 40.16990, -95.17163 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 30 ft |
| Dam Height | 30 ft |
| Year Completed | 1972 (54 years old) |
Storage & Hydraulics
| NID Storage | 160 acre-ft |
| Max Storage | 160 acre-ft |
| Normal Storage | 100 acre-ft |
| Surface Area | 10 acres |
| Drainage Area | 1,076 sq mi |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | CHARLES H GILLIS |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MO10451 |
| Federal ID | MO10451 |
| More Info | State Dam Safety Program |