Grindstone-lost-muddy Watershed Dam C-63
Grindstone-lost-muddy Watershed Dam C-63 is an earth dam located in Gentry County, Missouri, built in 1971. It carries a Low hazard potential classification.
About Grindstone-lost-muddy Watershed Dam C-63
The primary purpose of Grindstone-lost-muddy Watershed Dam C-63 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 Grstn-lost-mud Cr Wtrsd (local government). It impounds the Tr-lost Creek near Pattonsburg.
The dam stands 30 feet tall and stretches 540 feet across, creates a reservoir covering 16 acres, has a maximum storage capacity of 146 acre-feet, and collects water from a drainage area of 320 square miles. Completed in 1971, 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 | Gentry |
| Nearest City | Pattonsburg |
| River/Stream | Tr-lost Creek |
| Coordinates | 40.05928, -94.44139 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 30 ft |
| Dam Height | 28 ft |
| Dam Length | 540 ft |
| Year Completed | 1971 (55 years old) |
Storage & Hydraulics
| NID Storage | 146 acre-ft |
| Max Storage | 146 acre-ft |
| Normal Storage | 77 acre-ft |
| Surface Area | 16 acres |
| Drainage Area | 320 sq mi |
| Max Discharge | 252 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Grade Stabilization |
| Owner | GRSTN-LOST-MUD CR WTRSD |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MO10377 |
| Federal ID | MO10377 |
| More Info | State Dam Safety Program |