Small-small Road Structure is an earth dam located in Schuyler County, Missouri, built in 2003. It carries a Low hazard potential classification.
Dam profile
NID height · 31 ft31 ft tall and 450 ft long, taller than 72% 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 Small-small Road Structure
The primary purpose of Small-small Road Structure 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 Schuyler County (local government). It impounds the Tr-north Fabius River near Memphis.
The dam stands 31 feet tall and stretches 450 feet across, creates a reservoir covering 1 acres, has a maximum storage capacity of 127 acre-feet, and collects water from a drainage area of 409 square miles. Completed in 2003, the structure is relatively new.
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 09/30/2003. That was over 23 years ago.
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Location
| State | Missouri |
| County | Schuyler |
| Nearest City | Memphis |
| River/Stream | Tr-north Fabius River |
| Coordinates | 40.52762, -92.41376 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 31 ft |
| Dam Height | 31 ft |
| Dam Length | 450 ft |
| Year Completed | 2003 (23 years old) |
Storage & Hydraulics
| NID Storage | 127 acre-ft |
| Max Storage | 127 acre-ft |
| Normal Storage | 7 acre-ft |
| Surface Area | 1 acres |
| Drainage Area | 409 sq mi |
| Max Discharge | 60 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Schuyler County |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 09/30/2003 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MO51175 |
| Federal ID | MO51175 |
| More Info | State Dam Safety Program |