Alton Box Club Dam
Alton Box Club Dam is an earth dam located in Shannon County, Missouri, built in 1976. It carries a Low hazard potential classification.
About Alton Box Club Dam
The primary purpose of Alton Box Club 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 Alton Box Club (private). It impounds the Tr-current River near Round Spring.
The dam stands 30 feet tall and stretches 450 feet across, creates a reservoir covering 5 acres, has a maximum storage capacity of 90 acre-feet, and collects water from a drainage area of 230 square miles. Completed in 1976, the structure is 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 | Missouri |
| County | Shannon |
| Nearest City | Round Spring |
| River/Stream | Tr-current River |
| Coordinates | 37.32673, -91.43587 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 30 ft |
| Dam Height | 30 ft |
| Dam Length | 450 ft |
| Year Completed | 1976 (50 years old) |
Storage & Hydraulics
| NID Storage | 90 acre-ft |
| Max Storage | 90 acre-ft |
| Normal Storage | 44 acre-ft |
| Surface Area | 5 acres |
| Drainage Area | 230 sq mi |
| Max Discharge | 26 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | ALTON BOX CLUB |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MO31647 |
| Federal ID | MO31647 |
| More Info | State Dam Safety Program |