East Fork Grand River Dam H- 33 is an earth dam located in Worth County, Missouri, built in 2007. It carries a Low hazard potential classification.
Dam profile
NID height · 36 ft36 ft tall and 500 ft long, taller than 82% 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 East Fork Grand River Dam H- 33
The primary purpose of East Fork Grand River Dam H- 33 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 Efgr Trustees (private). It impounds the Tr-big Rock Creek near Allendale.
The dam stands 36 feet tall and stretches 500 feet across, creates a reservoir covering 2 acres, has a maximum storage capacity of 149 acre-feet, and collects water from a drainage area of 90 square miles. Completed in 2007, 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.
At 36 feet, this dam is taller than 82% of dams nationwide.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Missouri |
| County | Worth |
| Nearest City | Allendale |
| River/Stream | Tr-big Rock Creek |
| Coordinates | 40.46623, -94.25780 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 36 ft |
| Dam Height | 30 ft |
| Dam Length | 500 ft |
| Year Completed | 2007 (19 years old) |
Storage & Hydraulics
| NID Storage | 149 acre-ft |
| Max Storage | 149 acre-ft |
| Normal Storage | 57 acre-ft |
| Surface Area | 2 acres |
| Drainage Area | 90 sq mi |
| Max Discharge | 295 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Efgr Trustees |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MO51576 |
| Federal ID | MO51576 |
| More Info | State Dam Safety Program |