Chiwapa Watershed Structure 7 Dam is an earth dam located in Pontotoc County, Mississippi, built in 1966. It carries a Low hazard potential classification.
Dam profile
NID height · 29 ft29 ft tall, taller than 65% 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 Chiwapa Watershed Structure 7 Dam
The primary purpose of Chiwapa Watershed Structure 7 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 owned by Chiwapa Watershed District (local government).
The dam stands 29 feet tall, has a maximum storage capacity of 553 acre-feet, and collects water from a drainage area of 1 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.
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Location
| State | Mississippi |
| County | Pontotoc |
| Coordinates | 34.17695, -88.94309 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 29 ft |
| Dam Height | 29 ft |
| Year Completed | 1966 (60 years old) |
Storage & Hydraulics
| NID Storage | 553 acre-ft |
| Max Storage | 553 acre-ft |
| Drainage Area | 1 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Chiwapa Watershed District |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MS00609 |
| Federal ID | MS00609 |
| More Info | State Dam Safety Program |