Headache Lake Dam is an earth dam located in Callaway County, Missouri, built in 1971. It carries a Significant hazard potential classification.
Dam profile
NID height · 21 ft21 ft tall and 500 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Headache Lake Dam
The primary purpose of Headache 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 David Lyons (private). It impounds the Tr-middle River near Mokane.
The dam stands 21 feet tall and stretches 500 feet across, creates a reservoir covering 1 acres, has a maximum storage capacity of 91 acre-feet, and collects water from a drainage area of 19 square miles. Completed in 1971, 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.
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Location
| State | Missouri |
| County | Callaway |
| Nearest City | Mokane |
| River/Stream | Tr-middle River |
| Coordinates | 38.87541, -92.04978 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 21 ft |
| Dam Height | 21 ft |
| Dam Length | 500 ft |
| Year Completed | 1971 (55 years old) |
Storage & Hydraulics
| NID Storage | 91 acre-ft |
| Max Storage | 91 acre-ft |
| Normal Storage | 91 acre-ft |
| Surface Area | 1 acres |
| Drainage Area | 19 sq mi |
| Max Discharge | 475 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | David Lyons |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MO10879 |
| Federal ID | MO10879 |
| More Info | State Dam Safety Program |