Lake Deanna Dam
Lake Deanna Dam is a dam located in Cass County, Missouri, built in 2018. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
About Lake Deanna Dam
Lake Deanna Dam is a dam in Cass, Missouri. The dam is owned by Greg & Deanna Graves (private). It impounds the Harding Creek near Na.
The dam stands 77 feet tall and stretches 800 feet across, creates a reservoir covering 59 acres, has a maximum storage capacity of 1,876 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 2018, the structure is relatively new.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. An emergency action plan is in place for this dam. The most recent inspection on record was 03/22/2022.
At 77 feet, this dam is taller than 97% of all dams in the United States.
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Location
| State | Missouri |
| County | Cass |
| Nearest City | Na |
| River/Stream | Harding Creek |
| Coordinates | 38.54222, -94.55253 |
Physical Characteristics
| NID Height | 77 ft |
| Dam Height | 67 ft |
| Dam Length | 800 ft |
| Year Completed | 2018 (8 years old) |
Storage & Hydraulics
| NID Storage | 1,876 acre-ft |
| Max Storage | 1,876 acre-ft |
| Normal Storage | 1,199 acre-ft |
| Surface Area | 59 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 1,098 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Owner | GREG & DEANNA GRAVES |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 03/22/2022 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | MO40202 |
| Federal ID | MO40202 |
| More Info | State Dam Safety Program |