Evans Lake Dam
Evans Lake Dam is an earth dam located in Clark County, Missouri, built in 1975. It carries a Low hazard potential classification.
About Evans Lake Dam
The primary purpose of Evans Lake Dam is fire protection, stock, or small fish pond. The dam maintains a small impoundment used for fire suppression, livestock watering, or as a fish pond. The dam is owned by Neil Evans (private). It impounds the Tr-little Wyaconda River near La Grange.
The dam stands 25 feet tall, creates a reservoir covering 5 acres, has a maximum storage capacity of 67 acre-feet, and collects water from a drainage area of 32 square miles. Completed in 1975, 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. The most recent inspection on record was 09/12/1990. That was over 35 years ago.
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Location
| State | Missouri |
| County | Clark |
| Nearest City | La Grange |
| River/Stream | Tr-little Wyaconda River |
| Coordinates | 40.30206, -91.84917 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 25 ft |
| Dam Height | 25 ft |
| Year Completed | 1975 (51 years old) |
Storage & Hydraulics
| NID Storage | 67 acre-ft |
| Max Storage | 67 acre-ft |
| Normal Storage | 63 acre-ft |
| Surface Area | 5 acres |
| Drainage Area | 32 sq mi |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | NEIL EVANS |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Last Inspection | 09/12/1990 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MO11513 |
| Federal ID | MO11513 |
| More Info | State Dam Safety Program |