Ascalmore Structure Yo-30-15 Dam is an earth dam located in Tallahatchie County, Mississippi, built in 1956. It carries a Low hazard potential classification.
Dam profile
NID height · 22 ft22 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 Ascalmore Structure Yo-30-15 Dam
The primary purpose of Ascalmore Structure Yo-30-15 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 22 feet tall, has a maximum storage capacity of 62 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1956, 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. The most recent inspection on record was 11/25/2019.
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Location
| State | Mississippi |
| County | Tallahatchie |
| Coordinates | 33.89347, -90.00897 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 22 ft |
| Dam Height | 22 ft |
| Year Completed | 1956 (70 years old) |
Storage & Hydraulics
| NID Storage | 62 acre-ft |
| Max Storage | 62 acre-ft |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 11/25/2019 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MS01690 |
| Federal ID | MS01690 |
| More Info | State Dam Safety Program |