Grindstone-lost-muddy Watershed Dam C-5
Grindstone-lost-muddy Watershed Dam C-5 is an earth dam located in DeKalb County, Missouri, built in 1975. It carries a Low hazard potential classification.
About Grindstone-lost-muddy Watershed Dam C-5
The primary purpose of Grindstone-lost-muddy Watershed Dam C-5 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 Grns-ls-mdy Wsd Subdisrt (local government). It impounds the Tr-lost Creek near Pattonsburg.
The dam stands 26 feet tall and stretches 1,200 feet across, creates a reservoir covering 15 acres, has a maximum storage capacity of 990 acre-feet, and collects water from a drainage area of 280 square miles. Completed in 1975, 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 | DeKalb |
| Nearest City | Pattonsburg |
| River/Stream | Tr-lost Creek |
| Coordinates | 39.93337, -94.44215 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 26 ft |
| Dam Height | 26 ft |
| Dam Length | 1,200 ft |
| Year Completed | 1975 (51 years old) |
Storage & Hydraulics
| NID Storage | 990 acre-ft |
| Max Storage | 990 acre-ft |
| Normal Storage | 156 acre-ft |
| Surface Area | 15 acres |
| Drainage Area | 280 sq mi |
| Max Discharge | 1,362 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | GRNS-LS-MDY WSD SUBDISRT |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MO11266 |
| Federal ID | MO11266 |
| More Info | State Dam Safety Program |