Rex Hill Dam No 5
Rex Hill Dam No 5 is an earth dam located in Harrison County, Missouri, built in 1991. It carries a Low hazard potential classification.
About Rex Hill Dam No 5
The primary purpose of Rex Hill Dam No 5 is grade stabilization. Grade stabilization dams prevent erosion by reducing the slope and velocity of water flowing through a channel. They're commonly used to stop gullies from deepening and to protect downstream land and infrastructure. The dam is owned by Rex Hill (private). It impounds the Tr-little Rock Creek near Denver.
The dam stands 23 feet tall and stretches 440 feet across, creates a reservoir covering 2 acres, has a maximum storage capacity of 96 acre-feet, and collects water from a drainage area of 32 square miles. Completed in 1991, the structure is 35 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 | Harrison |
| Nearest City | Denver |
| River/Stream | Tr-little Rock Creek |
| Coordinates | 40.46694, -94.20956 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 23 ft |
| Dam Height | 23 ft |
| Dam Length | 440 ft |
| Year Completed | 1991 (35 years old) |
Storage & Hydraulics
| NID Storage | 96 acre-ft |
| Max Storage | 96 acre-ft |
| Normal Storage | 58 acre-ft |
| Surface Area | 2 acres |
| Drainage Area | 32 sq mi |
| Max Discharge | 78 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Grade Stabilization |
| Owner | REX HILL |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MO50492 |
| Federal ID | MO50492 |
| More Info | State Dam Safety Program |