Top Notch Lake Dam
Top Notch Lake Dam is an earth dam located in St. Louis County, Missouri, built in 1971. It carries a Low hazard potential classification.
About Top Notch Lake Dam
The primary purpose of Top Notch Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Holiday Eureka Corporatn (private). It impounds the Tr To Flat Creek near Eureka.
The dam stands 30 feet tall, creates a reservoir covering 5 acres, has a maximum storage capacity of 80 acre-feet, and collects water from a drainage area of 173 square miles. Completed in 1971, 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. Louis |
| Nearest City | Eureka |
| River/Stream | Tr To Flat Creek |
| Coordinates | 38.50945, -90.64854 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 30 ft |
| Dam Height | 30 ft |
| Year Completed | 1971 (55 years old) |
Storage & Hydraulics
| NID Storage | 80 acre-ft |
| Max Storage | 80 acre-ft |
| Normal Storage | 40 acre-ft |
| Surface Area | 5 acres |
| Drainage Area | 173 sq mi |
Ownership & Safety
| Purpose | Recreation |
| Owner | HOLIDAY EUREKA CORPORATN |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MO31152 |
| Federal ID | MO31152 |
| More Info | State Dam Safety Program |