Rex Moore Detention Dam is an earth dam located in Decatur County, Kansas, built in 1971. It carries a Low hazard potential classification.
Dam profile
NID height · 30 ft30 ft tall and 904 ft long, taller than 68% 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 Rex Moore Detention Dam
The primary purpose of Rex Moore Detention 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 Moore & Sons Inc (private). It impounds the Beaver Creek-tr near Marion Nebraska.
The dam stands 30 feet tall and stretches 904 feet across, creates a reservoir covering 29 acres, has a maximum storage capacity of 900 acre-feet, and collects water from a drainage area of 5 square miles. Completed in 1971, 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 03/27/2017.
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Location
| State | Kansas |
| County | Decatur |
| Nearest City | Marion Nebraska |
| River/Stream | Beaver Creek-tr |
| Coordinates | 39.99290, -100.53007 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 30 ft |
| Dam Height | 30 ft |
| Dam Length | 904 ft |
| Year Completed | 1971 (55 years old) |
Storage & Hydraulics
| NID Storage | 900 acre-ft |
| Max Storage | 900 acre-ft |
| Normal Storage | 201 acre-ft |
| Surface Area | 29 acres |
| Drainage Area | 5 sq mi |
| Max Discharge | 2,760 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Moore & Sons Inc |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 03/27/2017 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | KS00498 |
| Federal ID | KS00498 |
| More Info | State Dam Safety Program |