Garrett Lake Dam
Garrett Lake Dam is an earth dam located in St. Charles County, Missouri, built in 1970. It carries a Low hazard potential classification.
About Garrett Lake Dam
The primary purpose of Garrett Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Shirley Garrett (private). It impounds the Tr Mccoy Creek near Chain Of Rocks.
The dam stands 20 feet tall, creates a reservoir covering 8 acres, has a maximum storage capacity of 86 acre-feet, and collects water from a drainage area of 85 square miles. Completed in 1970, 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 | St. Charles |
| Nearest City | Chain Of Rocks |
| River/Stream | Tr Mccoy Creek |
| Coordinates | 38.82215, -90.95521 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 20 ft |
| Dam Height | 20 ft |
| Year Completed | 1970 (56 years old) |
Storage & Hydraulics
| NID Storage | 86 acre-ft |
| Max Storage | 86 acre-ft |
| Normal Storage | 45 acre-ft |
| Surface Area | 8 acres |
| Drainage Area | 85 sq mi |
Ownership & Safety
| Purpose | Recreation |
| Owner | SHIRLEY GARRETT |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MO11297 |
| Federal ID | MO11297 |
| More Info | State Dam Safety Program |