Tri-county Lake Dam is an earth dam located in Calhoun County, Arkansas, built in 1962. It carries a Low hazard potential classification.
Dam profile
NID height · 16 ft16 ft tall and 3,000 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 Tri-county Lake Dam
The primary purpose of Tri-county Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Arkansas Game and Fish Commission (state). It impounds the Caney Creek near Tinsman.
The dam stands 16 feet tall and stretches 3,000 feet across, creates a reservoir covering 288 acres, has a maximum storage capacity of 2,910 acre-feet, and collects water from a drainage area of 14 square miles. Completed in 1962, 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 | Arkansas |
| County | Calhoun |
| Nearest City | Tinsman |
| River/Stream | Caney Creek |
| Coordinates | 33.78333, -92.36167 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 16 ft |
| Dam Height | 16 ft |
| Dam Length | 3,000 ft |
| Year Completed | 1962 (64 years old) |
Storage & Hydraulics
| NID Storage | 2,910 acre-ft |
| Max Storage | 2,910 acre-ft |
| Normal Storage | 1,230 acre-ft |
| Surface Area | 288 acres |
| Drainage Area | 14 sq mi |
| Max Discharge | 1,610 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | Arkansas Game and Fish Commission |
| Owner Type | State |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | AR00957 |
| Federal ID | AR00957 |
| More Info | State Dam Safety Program |