Lost Creek F-3
Lost Creek F-3 is an earth dam located in Newton County, Missouri, built in 1977. It carries a High hazard potential classification and has a satisfactory condition assessment.
About Lost Creek F-3
The primary purpose of Lost Creek F-3 is debris control. The dam is designed to catch sediment, rocks, and debris carried by flowing water — particularly important in areas prone to mudslides or heavy erosion. The dam is owned by Lost Ck Watershed Subdis (local government). It impounds the Tr-lost Creek near Seneca.
The dam stands 39 feet tall and stretches 280 feet across, creates a reservoir covering 6 acres, has a maximum storage capacity of 67 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1977, the structure is 49 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 10/07/2021.
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 | Newton |
| Nearest City | Seneca |
| River/Stream | Tr-lost Creek |
| Coordinates | 36.85396, -94.61227 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 39 ft |
| Dam Height | 39 ft |
| Dam Length | 280 ft |
| Year Completed | 1977 (49 years old) |
Storage & Hydraulics
| NID Storage | 67 acre-ft |
| Max Storage | 67 acre-ft |
| Normal Storage | 8 acre-ft |
| Surface Area | 6 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 1,479 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Debris Control |
| Owner | LOST CK WATERSHED SUBDIS |
| Owner Type | Local Government |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 10/07/2021 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | MO20514 |
| Federal ID | MO20514 |
| More Info | State Dam Safety Program |