St Joseph Lake Dam
St Joseph Lake Dam is an earth dam located in Montgomery County, Missouri, built in 1962. It carries a Significant hazard potential classification.
About St Joseph Lake Dam
The primary purpose of St Joseph Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by John Inchiostro (private). It impounds the Tr-cole Creek near Bigspring.
The dam stands 33 feet tall, creates a reservoir covering 30 acres, has a maximum storage capacity of 424 acre-feet, and collects water from a drainage area of 1,610 square miles. Completed in 1962, the structure is well into its service life at over 50 years old.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life.
At 33 feet, this dam is taller than 78% of dams nationwide.
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Location
| State | Missouri |
| County | Montgomery |
| Nearest City | Bigspring |
| River/Stream | Tr-cole Creek |
| Coordinates | 38.83263, -91.63332 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 33 ft |
| Dam Height | 33 ft |
| Year Completed | 1962 (64 years old) |
Storage & Hydraulics
| NID Storage | 424 acre-ft |
| Max Storage | 424 acre-ft |
| Normal Storage | 240 acre-ft |
| Surface Area | 30 acres |
| Drainage Area | 1,610 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | JOHN INCHIOSTRO |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Not Rated |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MO10200 |
| Federal ID | MO10200 |
| More Info | State Dam Safety Program |