Upper Big Spring Subws Str R-7-1
Upper Big Spring Subws Str R-7-1 is an earth dam located in Marshall County, Mississippi, built in 1958. It carries a Low hazard potential classification.
About Upper Big Spring Subws Str R-7-1
The primary purpose of Upper Big Spring Subws Str R-7-1 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 Upper Big Spring Dd (local government). It impounds the Tr- Big Spring near Waites.
The dam stands 26 feet tall and stretches 330 feet across, creates a reservoir covering 4 acres, has a maximum storage capacity of 57 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1958, 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 | Marshall |
| Nearest City | Waites |
| River/Stream | Tr- Big Spring |
| Coordinates | 34.76277, -89.42498 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 26 ft |
| Dam Height | 26 ft |
| Dam Length | 330 ft |
| Year Completed | 1958 (68 years old) |
Storage & Hydraulics
| NID Storage | 57 acre-ft |
| Max Storage | 57 acre-ft |
| Normal Storage | 21 acre-ft |
| Surface Area | 4 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 720 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | UPPER BIG SPRING DD |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MS03072 |
| Federal ID | MS03072 |
| More Info | State Dam Safety Program |