Harbison-walker Refractory Lake Dam is an earth dam located in Callaway County, Missouri, built in 1960. It carries a Low hazard potential classification.
Dam profile
NID height · 30 ft30 ft tall, taller than 68% of U.S. dams with a recorded height. 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 Harbison-walker Refractory Lake Dam
The primary purpose of Harbison-walker Refractory Lake Dam is fire protection, stock, or small fish pond. The dam maintains a small impoundment used for fire suppression, livestock watering, or as a fish pond. The dam is owned by Harbison-walker Ref.co (private). It impounds the Tr-dunlap Creek near Chamois.
The dam stands 30 feet tall, creates a reservoir covering 10 acres, has a maximum storage capacity of 160 acre-feet, and collects water from a drainage area of 42 square miles. Completed in 1960, the structure is well into its service life at over 50 years old.
This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life.
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Location
| State | Missouri |
| County | Callaway |
| Nearest City | Chamois |
| River/Stream | Tr-dunlap Creek |
| Coordinates | 38.85814, -91.90722 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 30 ft |
| Dam Height | 30 ft |
| Year Completed | 1960 (66 years old) |
Storage & Hydraulics
| NID Storage | 160 acre-ft |
| Max Storage | 160 acre-ft |
| Normal Storage | 83 acre-ft |
| Surface Area | 10 acres |
| Drainage Area | 42 sq mi |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | Harbison-walker Ref.co |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MO10885 |
| Federal ID | MO10885 |
| More Info | State Dam Safety Program |