Black Watershed Structure Y-36-37 Dam
Black Watershed Structure Y-36-37 Dam is an earth dam located in Holmes County, Mississippi, built in 1967. It carries a Low hazard potential classification.
About Black Watershed Structure Y-36-37 Dam
The primary purpose of Black Watershed Structure Y-36-37 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 local government-owned.
The dam stands 40 feet tall, has a maximum storage capacity of 1,707 acre-feet, and collects water from a drainage area of 4 square miles. Completed in 1967, 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.
At 40 feet, this dam is taller than 87% of dams nationwide.
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Location
| State | Mississippi |
| County | Holmes |
| Coordinates | 33.08962, -90.00694 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 40 ft |
| Dam Height | 40 ft |
| Year Completed | 1967 (59 years old) |
Storage & Hydraulics
| NID Storage | 1,707 acre-ft |
| Max Storage | 1,707 acre-ft |
| Drainage Area | 4 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MS00089 |
| Federal ID | MS00089 |
| More Info | State Dam Safety Program |