Gard Lake Dam is an earth dam located in Marion County, Missouri, built in 1966. It carries a Low hazard potential classification.
Dam profile
NID height · 10 ft10 ft tall. 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 Gard Lake Dam
The primary purpose of Gard Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Louise Gard (private). It impounds the Tr-north River near Hannibal.
The dam stands 10 feet tall, creates a reservoir covering 21 acres, has a maximum storage capacity of 112 acre-feet, and collects water from a drainage area of 130 square miles. Completed in 1966, 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.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Missouri |
| County | Marion |
| Nearest City | Hannibal |
| River/Stream | Tr-north River |
| Coordinates | 39.83264, -91.50489 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 10 ft |
| Dam Height | 10 ft |
| Year Completed | 1966 (60 years old) |
Storage & Hydraulics
| NID Storage | 112 acre-ft |
| Max Storage | 112 acre-ft |
| Normal Storage | 70 acre-ft |
| Surface Area | 21 acres |
| Drainage Area | 130 sq mi |
Ownership & Safety
| Purpose | Recreation |
| Owner | Louise Gard |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MO10104 |
| Federal ID | MO10104 |
| More Info | State Dam Safety Program |