Loness Dam
Loness Dam is an earth dam located in Perry County, Missouri, built in 1998. It carries a Low hazard potential classification.
About Loness Dam
The primary purpose of Loness Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Ed Loness (private). It impounds the Tr-hunt Branch near St. Mary.
The dam stands 29 feet tall and stretches 370 feet across, creates a reservoir covering 6 acres, has a maximum storage capacity of 35 acre-feet, and collects water from a drainage area of 175 square miles. Completed in 1998, the structure is 28 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 | Perry |
| Nearest City | St. Mary |
| River/Stream | Tr-hunt Branch |
| Coordinates | 37.70835, -89.92039 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 29 ft |
| Dam Height | 25 ft |
| Dam Length | 370 ft |
| Year Completed | 1998 (28 years old) |
Storage & Hydraulics
| NID Storage | 35 acre-ft |
| Max Storage | 35 acre-ft |
| Normal Storage | 22 acre-ft |
| Surface Area | 6 acres |
| Drainage Area | 175 sq mi |
| Max Discharge | 73 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | ED LONESS |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MO50846 |
| Federal ID | MO50846 |
| More Info | State Dam Safety Program |