Grindstone-lost-muddy Watershed Dam C- 29 is an earth dam located in Gentry County, Missouri, built in 1978. It carries a Low hazard potential classification.
Dam profile
NID height · 23 ft23 ft tall and 570 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 Grindstone-lost-muddy Watershed Dam C- 29
The primary purpose of Grindstone-lost-muddy Watershed Dam C- 29 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 Grnstn-lst-mdy Cr Wtrsd (local government). It impounds the Tr-lost Creek near Pattonsburg.
The dam stands 23 feet tall and stretches 570 feet across, creates a reservoir covering 3 acres, has a maximum storage capacity of 120 acre-feet, and collects water from a drainage area of 115 square miles. Completed in 1978, the structure is 48 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 | Gentry |
| Nearest City | Pattonsburg |
| River/Stream | Tr-lost Creek |
| Coordinates | 40.07446, -94.45710 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 23 ft |
| Dam Height | 21 ft |
| Dam Length | 570 ft |
| Year Completed | 1978 (48 years old) |
Storage & Hydraulics
| NID Storage | 120 acre-ft |
| Max Storage | 120 acre-ft |
| Normal Storage | 56 acre-ft |
| Surface Area | 3 acres |
| Drainage Area | 115 sq mi |
| Max Discharge | 300 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Grade Stabilization |
| Owner | Grnstn-lst-mdy Cr Wtrsd |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MO11885 |
| Federal ID | MO11885 |
| More Info | State Dam Safety Program |