Spring Lake Dam
Spring Lake Dam is an earth dam located in Jefferson County, Missouri, built in 1989. It carries a High hazard potential classification and has a satisfactory condition assessment.
About Spring Lake Dam
The primary purpose of Spring Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Raintree Plantation Poa (private). It impounds the Belew Creek Tributary near Hillsboro.
The dam stands 55 feet tall and stretches 1,000 feet across, creates a reservoir covering 50 acres, has a maximum storage capacity of 988 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1989, the structure is 37 years old.
This dam carries a high hazard potential classification, which means that a failure or uncontrolled release of water would likely cause loss of human life. This classification reflects the consequences of failure, not the likelihood — it indicates that people live or work in the area downstream. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. An emergency action plan is in place for this dam. The most recent inspection on record was 11/10/2022.
At 55 feet, this dam is taller than 94% of dams nationwide.
Living Downstream
If you live or work downstream of this dam, consider taking these steps: learn your local evacuation routes, check whether your county emergency management office has a dam failure inundation map, and sign up for local emergency alerts. The Missouri dam safety program can provide more specific information about emergency planning for this structure.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Missouri |
| County | Jefferson |
| Nearest City | Hillsboro |
| River/Stream | Belew Creek Tributary |
| Coordinates | 38.25208, -90.59149 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 55 ft |
| Dam Height | 55 ft |
| Dam Length | 1,000 ft |
| Year Completed | 1989 (37 years old) |
Storage & Hydraulics
| NID Storage | 988 acre-ft |
| Max Storage | 988 acre-ft |
| Normal Storage | 988 acre-ft |
| Surface Area | 50 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 5,582 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | RAINTREE PLANTATION POA |
| Owner Type | Private |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 11/10/2022 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | MO31913 |
| Federal ID | MO31913 |
| More Info | State Dam Safety Program |