Forbis Lake Dam is an earth dam located in Polk County, Arkansas, built in 1952. It carries a Low hazard potential classification.
Dam profile
NID height · 18 ft18 ft tall and 655 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 Forbis Lake Dam
The primary purpose of Forbis Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Donald Forbis (private). It impounds the Gap Creek-tr.
The dam stands 18 feet tall and stretches 655 feet across, and has a maximum storage capacity of 144 acre-feet. Completed in 1952, 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 | Polk |
| Nearest City | None |
| River/Stream | Gap Creek-tr |
| Coordinates | 34.59861, -94.09833 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 18 ft |
| Dam Height | 18 ft |
| Dam Length | 655 ft |
| Year Completed | 1952 (74 years old) |
Storage & Hydraulics
| NID Storage | 144 acre-ft |
| Max Storage | 144 acre-ft |
| Normal Storage | 78 acre-ft |
| Max Discharge | 470 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | Donald Forbis |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | AR01185 |
| Federal ID | AR01185 |
| More Info | State Dam Safety Program |