River Acres Lake Dam is an earth dam located in Montgomery County, Missouri, built in 1976. It carries a Significant hazard potential classification.
Dam profile
NID height · 23 ft23 ft tall and 1,210 ft long. 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 River Acres Lake Dam
The primary purpose of River Acres Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by River Acres Inc (private). It impounds the Tr-elkhorn Creek near Moscow Mills.
The dam stands 23 feet tall and stretches 1,210 feet across, creates a reservoir covering 2 acres, has a maximum storage capacity of 264 acre-feet, and collects water from a drainage area of 32 square miles. Completed in 1976, the structure is 50 years old.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life.
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Location
| State | Missouri |
| County | Montgomery |
| Nearest City | Moscow Mills |
| River/Stream | Tr-elkhorn Creek |
| Coordinates | 39.00212, -91.46743 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 23 ft |
| Dam Height | 22 ft |
| Dam Length | 1,210 ft |
| Year Completed | 1976 (50 years old) |
Storage & Hydraulics
| NID Storage | 264 acre-ft |
| Max Storage | 264 acre-ft |
| Normal Storage | 197 acre-ft |
| Surface Area | 2 acres |
| Drainage Area | 32 sq mi |
| Max Discharge | 864 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | River Acres Inc |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MO11206 |
| Federal ID | MO11206 |
| More Info | State Dam Safety Program |