Grindstone-lost-muddy Watershed Dam B- 7
Grindstone-lost-muddy Watershed Dam B- 7 is an earth dam located in DeKalb County, Missouri, built in 1985. It carries a Low hazard potential classification.
About Grindstone-lost-muddy Watershed Dam B- 7
The primary purpose of Grindstone-lost-muddy Watershed Dam B- 7 is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by Glm Cr Wtsh Subdistrict (local government). It impounds the Tr-west Fork Lost Creek near Pattonsburg.
The dam stands 27 feet tall and stretches 750 feet across, creates a reservoir covering 6 acres, has a maximum storage capacity of 380 acre-feet, and collects water from a drainage area of 89 square miles. Completed in 1985, the structure is 41 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 | DeKalb |
| Nearest City | Pattonsburg |
| River/Stream | Tr-west Fork Lost Creek |
| Coordinates | 39.85866, -94.33749 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 27 ft |
| Dam Height | 27 ft |
| Dam Length | 750 ft |
| Year Completed | 1985 (41 years old) |
Storage & Hydraulics
| NID Storage | 380 acre-ft |
| Max Storage | 380 acre-ft |
| Normal Storage | 52 acre-ft |
| Surface Area | 6 acres |
| Drainage Area | 89 sq mi |
| Max Discharge | 696 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | GLM CR WTSH SUBDISTRICT |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MO12261 |
| Federal ID | MO12261 |
| More Info | State Dam Safety Program |