Grant Dam is an earth dam located in Scotland County, Missouri, built in 2005. It carries a Low hazard potential classification.
Dam profile
NID height · 31 ft31 ft tall and 450 ft long, taller than 72% 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 Grant Dam
The primary purpose of Grant Dam is grade stabilization. Grade stabilization dams prevent erosion by reducing the slope and velocity of water flowing through a channel. They're commonly used to stop gullies from deepening and to protect downstream land and infrastructure. The dam is owned by Roger Grant (private). It impounds the Tr-gunns Branch near South Gorin.
The dam stands 31 feet tall and stretches 450 feet across, creates a reservoir covering 3 acres, has a maximum storage capacity of 21 acre-feet, and collects water from a drainage area of 64 square miles. Completed in 2005, the structure is relatively new.
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 09/15/2005. That was over 21 years ago.
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Location
| State | Missouri |
| County | Scotland |
| Nearest City | South Gorin |
| River/Stream | Tr-gunns Branch |
| Coordinates | 40.44380, -92.13750 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 31 ft |
| Dam Height | 28 ft |
| Dam Length | 450 ft |
| Year Completed | 2005 (21 years old) |
Storage & Hydraulics
| NID Storage | 21 acre-ft |
| Max Storage | 21 acre-ft |
| Normal Storage | 16 acre-ft |
| Surface Area | 3 acres |
| Drainage Area | 64 sq mi |
| Max Discharge | 1 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Grade Stabilization |
| Owner | Roger Grant |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 09/15/2005 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MO51376 |
| Federal ID | MO51376 |
| More Info | State Dam Safety Program |