Coy Lake Dam
Coy Lake Dam is an earth dam located in Adair County, Missouri, built in 1980. It carries a Low hazard potential classification.
About Coy Lake Dam
The primary purpose of Coy Lake Dam is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Gary Coy (private). It impounds the Tr-lost Creek near Brashear.
The dam stands 25 feet tall, creates a reservoir covering 18 acres, has a maximum storage capacity of 241 acre-feet, and collects water from a drainage area of 370 square miles. Completed in 1980, the structure is 46 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 | Adair |
| Nearest City | Brashear |
| River/Stream | Tr-lost Creek |
| Coordinates | 40.18162, -92.47938 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 25 ft |
| Dam Height | 25 ft |
| Year Completed | 1980 (46 years old) |
Storage & Hydraulics
| NID Storage | 241 acre-ft |
| Max Storage | 241 acre-ft |
| Normal Storage | 150 acre-ft |
| Surface Area | 18 acres |
| Drainage Area | 370 sq mi |
Ownership & Safety
| Purpose | Irrigation |
| Owner | GARY COY |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MO11670 |
| Federal ID | MO11670 |
| More Info | State Dam Safety Program |