Cedar Hill Lake #2 Dam
Cedar Hill Lake #2 Dam is an earth dam located in Jefferson County, Missouri, built in 1949. It carries a High hazard potential classification and has a satisfactory condition assessment.
About Cedar Hill Lake #2 Dam
The primary purpose of Cedar Hill Lake #2 Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Cedar Hills Poa, Inc (private). It impounds the Tributary To Skullbones Creek near Cedar Hill.
The dam stands 39 feet tall and stretches 460 feet across, creates a reservoir covering 12 acres, has a maximum storage capacity of 185 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1949, the structure is well-established, with more than 75 years of service.
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 05/05/2022.
At 39 feet, this dam is taller than 86% 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 | Cedar Hill |
| River/Stream | Tributary To Skullbones Creek |
| Coordinates | 38.33026, -90.66296 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 39 ft |
| Dam Height | 39 ft |
| Dam Length | 460 ft |
| Year Completed | 1949 (77 years old) |
Storage & Hydraulics
| NID Storage | 185 acre-ft |
| Max Storage | 185 acre-ft |
| Normal Storage | 114 acre-ft |
| Surface Area | 12 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 875 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | CEDAR HILLS POA, INC |
| Owner Type | Private |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 05/05/2022 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | MO30005 |
| Federal ID | MO30005 |
| More Info | State Dam Safety Program |