Mccannon Lake Dam
Mccannon Lake Dam is an earth dam located in Johnson County, Missouri. It carries a High hazard potential classification.
About Mccannon Lake Dam
The primary purpose of Mccannon Lake Dam is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Forrest H Mccannon (private). It impounds the Tr-west Pin Oak Creek near Holden.
The dam stands 25 feet tall, creates a reservoir covering 12 acres, has a maximum storage capacity of 160 acre-feet, and collects water from a drainage area of 410 square miles.
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.
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 | Johnson |
| Nearest City | Holden |
| River/Stream | Tr-west Pin Oak Creek |
| Coordinates | 38.71708, -94.03209 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 25 ft |
| Dam Height | 25 ft |
Storage & Hydraulics
| NID Storage | 160 acre-ft |
| Max Storage | 160 acre-ft |
| Normal Storage | 100 acre-ft |
| Surface Area | 12 acres |
| Drainage Area | 410 sq mi |
Ownership & Safety
| Purpose | Irrigation |
| Owner | FORREST H MCCANNON |
| Owner Type | Private |
| Hazard Classification | High |
| Condition Assessment | Not Rated |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MO20430 |
| Federal ID | MO20430 |
| More Info | State Dam Safety Program |