Loness Dam is an earth dam located in Perry County, Missouri, built in 1998. It carries a Low hazard potential classification.
Dam profile
NID height · 29 ft29 ft tall and 370 ft long, taller than 65% 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 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.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
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 assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MO50846 |
| Federal ID | MO50846 |
| More Info | State Dam Safety Program |