Hickory Lake Dam is an earth dam located in St. Charles County, Missouri. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
Dam profile
NID height · 37 ft37 ft tall and 400 ft long, taller than 83% of U.S. dams with a recorded height. 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 Hickory Lake Dam
Hickory Lake Dam is a dam in St. Charles, Missouri. The dam is owned by Augusta Shores Owners Assoc. (private). It impounds the Duname Trib=missouri near Augusta.
The dam stands 37 feet tall and stretches 400 feet across, creates a reservoir covering 43 acres, has a maximum storage capacity of 593 acre-feet, and collects water from a drainage area of 0 square miles.
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. The most recent inspection on record was 09/15/2020.
At 37 feet, this dam is taller than 83% of dams nationwide.
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Location
| State | Missouri |
| County | St. Charles |
| Nearest City | Augusta |
| River/Stream | Duname Trib=missouri |
| Coordinates | 38.58890, -90.81813 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 37 ft |
| Dam Height | 37 ft |
| Dam Length | 400 ft |
Storage & Hydraulics
| NID Storage | 593 acre-ft |
| Max Storage | 593 acre-ft |
| Normal Storage | 507 acre-ft |
| Surface Area | 43 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 4,326 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Owner | Augusta Shores Owners Assoc. |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 09/15/2020 |
| Emergency Action Plan | No |
Identifiers
| NID ID | MO32042 |
| Federal ID | MO32042 |
| More Info | State Dam Safety Program |