Alcolac Lake Dam is an earth dam located in Pettis County, Missouri, built in 1977. It carries a Low hazard potential classification.
Dam profile
NID height · 21 ft21 ft tall. 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 Alcolac Lake Dam
The primary purpose of Alcolac Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Alcolac Inc (private). It impounds the Tr-shaver Creek near Georgetown.
The dam stands 21 feet tall, creates a reservoir covering 22 acres, has a maximum storage capacity of 247 acre-feet, and collects water from a drainage area of 340 square miles. Completed in 1977, the structure is 49 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 | Pettis |
| Nearest City | Georgetown |
| River/Stream | Tr-shaver Creek |
| Coordinates | 38.72169, -93.17559 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 21 ft |
| Dam Height | 21 ft |
| Year Completed | 1977 (49 years old) |
Storage & Hydraulics
| NID Storage | 247 acre-ft |
| Max Storage | 247 acre-ft |
| Normal Storage | 133 acre-ft |
| Surface Area | 22 acres |
| Drainage Area | 340 sq mi |
Ownership & Safety
| Purpose | Recreation |
| Owner | Alcolac Inc |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MO20476 |
| Federal ID | MO20476 |
| More Info | State Dam Safety Program |