Cedar Lake Dam
Cedar Lake Dam is an earth dam located in St. Francois County, Missouri, built in 1974. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Cedar Lake Dam
The primary purpose of Cedar Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Cedar Lake Development (private). It impounds the Tr-big River near Blackwell.
The dam stands 37 feet tall and stretches 580 feet across, creates a reservoir covering 58 acres, has a maximum storage capacity of 955 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1974, 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. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 04/09/2020.
At 37 feet, this dam is taller than 84% of dams nationwide.
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Location
| State | Missouri |
| County | St. Francois |
| Nearest City | Blackwell |
| River/Stream | Tr-big River |
| Coordinates | 37.89963, -90.47681 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 37 ft |
| Dam Height | 37 ft |
| Dam Length | 580 ft |
| Year Completed | 1974 (52 years old) |
Storage & Hydraulics
| NID Storage | 955 acre-ft |
| Max Storage | 955 acre-ft |
| Normal Storage | 955 acre-ft |
| Surface Area | 58 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 2,000 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | CEDAR LAKE DEVELOPMENT |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 04/09/2020 |
| Emergency Action Plan | No |
Identifiers
| NID ID | MO30105 |
| Federal ID | MO30105 |
| More Info | State Dam Safety Program |