Grindstone-lost-muddy Watershed Dam C-35
Grindstone-lost-muddy Watershed Dam C-35 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-35
The primary purpose of Grindstone-lost-muddy Watershed Dam C-35 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 Grndsn-ls-md Wsd Sbdistr (local government). It impounds the Grindstone Creek near Pattonsburg.
The dam stands 26 feet tall and stretches 600 feet across, creates a reservoir covering 11 acres, has a maximum storage capacity of 145 acre-feet, and collects water from a drainage area of 400 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 | Grindstone Creek |
| Coordinates | 40.03078, -94.42428 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 26 ft |
| Dam Height | 26 ft |
| Dam Length | 600 ft |
| Year Completed | 1975 (51 years old) |
Storage & Hydraulics
| NID Storage | 145 acre-ft |
| Max Storage | 145 acre-ft |
| Normal Storage | 59 acre-ft |
| Surface Area | 11 acres |
| Drainage Area | 400 sq mi |
| Max Discharge | 290 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Grade Stabilization |
| Owner | GRNDSN-LS-MD WSD SBDISTR |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MO11270 |
| Federal ID | MO11270 |
| More Info | State Dam Safety Program |