Area 7 Section 4
Area 7 Section 4 is an earth dam located in Jefferson County, Arkansas, built in 1988. It carries a Low hazard potential classification and has a poor condition assessment.
About Area 7 Section 4
The primary purpose of Area 7 Section 4 is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by Pine Bluff Arsenal (federal). It impounds the Trib Of Arkansas near To Arkansas River.
The dam stands 27 feet tall and stretches 432 feet across, creates a reservoir covering 12 acres, has a maximum storage capacity of 144 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1988, the structure is 38 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. Its condition is rated poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. An emergency action plan is in place for this dam. The most recent inspection on record was 07/23/2019.
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Location
| State | Arkansas |
| County | Jefferson |
| Nearest City | To Arkansas River |
| River/Stream | Trib Of Arkansas |
| Coordinates | 34.34346, -92.08596 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 27 ft |
| Dam Height | 27 ft |
| Dam Length | 432 ft |
| Year Completed | 1988 (38 years old) |
Storage & Hydraulics
| NID Storage | 144 acre-ft |
| Max Storage | 144 acre-ft |
| Normal Storage | 72 acre-ft |
| Surface Area | 12 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 187 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Pine Bluff Arsenal |
| Owner Type | Federal |
| Hazard Classification | Low |
| Condition Assessment | Poor |
| Last Inspection | 07/23/2019 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | AR01558 |
| Federal ID | AR01558 |
| More Info | State Dam Safety Program |