Grindstone Glm C-4 Dam
Grindstone Glm C-4 Dam is an earth dam located in DeKalb County, Missouri, built in 1988. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Grindstone Glm C-4 Dam
The primary purpose of Grindstone Glm C-4 Dam 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 Watershed Subdistrct (state). It impounds the Trib Lost Creek near Maysville.
The dam stands 38 feet tall and stretches 900 feet across, creates a reservoir covering 40 acres, has a maximum storage capacity of 211 acre-feet, and collects water from a drainage area of 5 square miles. Completed in 1988, the structure is 38 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. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 09/25/2018.
At 38 feet, this dam is taller than 85% of dams nationwide.
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Location
| State | Missouri |
| County | DeKalb |
| Nearest City | Maysville |
| River/Stream | Trib Lost Creek |
| Coordinates | 39.91712, -94.41725 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 38 ft |
| Dam Height | 38 ft |
| Dam Length | 900 ft |
| Year Completed | 1988 (38 years old) |
Storage & Hydraulics
| NID Storage | 211 acre-ft |
| Max Storage | 211 acre-ft |
| Normal Storage | 211 acre-ft |
| Surface Area | 40 acres |
| Drainage Area | 5 sq mi |
| Max Discharge | 343 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | GLM WATERSHED SUBDISTRCT |
| Owner Type | State |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 09/25/2018 |
| Emergency Action Plan | No |
Identifiers
| NID ID | MO12203 |
| Federal ID | MO12203 |
| More Info | State Dam Safety Program |