Arrowhead Lake Upper Dam
Arrowhead Lake Upper Dam is an earth dam located in Dent County, Missouri, built in 1973. It carries a Low hazard potential classification.
About Arrowhead Lake Upper Dam
The primary purpose of Arrowhead Lake Upper Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Vance Harper (private). It impounds the Tr-meramec Creek near Cook Station.
The dam stands 24 feet tall and stretches 650 feet across, creates a reservoir covering 2 acres, has a maximum storage capacity of 84 acre-feet, and collects water from a drainage area of 128 square miles. Completed in 1973, 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 | Dent |
| Nearest City | Cook Station |
| River/Stream | Tr-meramec Creek |
| Coordinates | 37.70001, -91.50591 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 24 ft |
| Dam Height | 24 ft |
| Dam Length | 650 ft |
| Year Completed | 1973 (53 years old) |
Storage & Hydraulics
| NID Storage | 84 acre-ft |
| Max Storage | 84 acre-ft |
| Normal Storage | 66 acre-ft |
| Surface Area | 2 acres |
| Drainage Area | 128 sq mi |
| Max Discharge | 280 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | VANCE HARPER |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MO31728 |
| Federal ID | MO31728 |
| More Info | State Dam Safety Program |