Johnson Land Development Lake Dam is an earth dam located in Daviess County, Missouri, built in 1972. It carries a Low hazard potential classification.
Dam profile
NID height · 24 ft24 ft tall and 600 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 Johnson Land Development Lake Dam
The primary purpose of Johnson Land Development Lake Dam 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 Johnson Land Develop Co (private). It impounds the Tr-south of Grand River near Lock Springs.
The dam stands 24 feet tall and stretches 600 feet across, creates a reservoir covering 2 acres, has a maximum storage capacity of 82 acre-feet, and collects water from a drainage area of 75 square miles. Completed in 1972, 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.
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Location
| State | Missouri |
| County | Daviess |
| Nearest City | Lock Springs |
| River/Stream | Tr-south of Grand River |
| Coordinates | 39.83710, -93.88398 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 24 ft |
| Dam Height | 24 ft |
| Dam Length | 600 ft |
| Year Completed | 1972 (54 years old) |
Storage & Hydraulics
| NID Storage | 82 acre-ft |
| Max Storage | 82 acre-ft |
| Normal Storage | 48 acre-ft |
| Surface Area | 2 acres |
| Drainage Area | 75 sq mi |
| Max Discharge | 140 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Grade Stabilization |
| Owner | Johnson Land Develop Co |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MO10415 |
| Federal ID | MO10415 |
| More Info | State Dam Safety Program |