Lac Tiffany Dam
Lac Tiffany Dam is an earth dam located in St. Francois County, Missouri, built in 1978. It carries a Low hazard potential classification.
About Lac Tiffany Dam
The primary purpose of Lac Tiffany Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Terre Du Lac, Inc (private). It impounds the Tr Big River near Leadwood.
The dam stands 36 feet tall and stretches 550 feet across, creates a reservoir covering 4 acres, has a maximum storage capacity of 70 acre-feet, and collects water from a drainage area of 62 square miles. Completed in 1978, the structure is 48 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 10/17/2007. That was over 18 years ago.
At 36 feet, this dam is taller than 83% of dams nationwide.
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Location
| State | Missouri |
| County | St. Francois |
| Nearest City | Leadwood |
| River/Stream | Tr Big River |
| Coordinates | 37.89500, -90.62987 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 36 ft |
| Dam Height | 34 ft |
| Dam Length | 550 ft |
| Year Completed | 1978 (48 years old) |
Storage & Hydraulics
| NID Storage | 70 acre-ft |
| Max Storage | 70 acre-ft |
| Normal Storage | 70 acre-ft |
| Surface Area | 4 acres |
| Drainage Area | 62 sq mi |
| Max Discharge | 230 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | TERRE DU LAC, INC |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Last Inspection | 10/17/2007 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MO31921 |
| Federal ID | MO31921 |
| More Info | State Dam Safety Program |