Brown MUD Lake No. 4 is an earth dam located in Saline County, Arkansas, built in 1975. It carries a Significant hazard potential classification and has a fair condition assessment.
Dam profile
NID height · 68 ft68 ft tall and 2,550 ft long, taller than 96% of U.S. dams with a recorded height. Height is drawn to scale against a ten-story building, about 100 ft; the profile is a generic embankment section and the water level is illustrative.
About Brown MUD Lake No. 4
Brown MUD Lake No. 4 is a dam in Saline, Arkansas. The dam is owned by Alcoa (private). It impounds the Brier Lick Branch-tr near Sardis.
The dam stands 68 feet tall and stretches 2,550 feet across, creates a reservoir covering 57 acres, has a maximum storage capacity of 1,670 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1975, the structure is well into its service life at over 50 years old.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. Its condition is rated fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. The most recent inspection on record was 12/10/2020.
At 68 feet, this dam is taller than 96% of all dams in the United States.
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Location
| State | Arkansas |
| County | Saline |
| Nearest City | Sardis |
| River/Stream | Brier Lick Branch-tr |
| Coordinates | 34.58028, -92.45722 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 68 ft |
| Dam Height | 62 ft |
| Dam Length | 2,550 ft |
| Year Completed | 1975 (51 years old) |
Storage & Hydraulics
| NID Storage | 1,670 acre-ft |
| Max Storage | 1,670 acre-ft |
| Normal Storage | 1,370 acre-ft |
| Surface Area | 57 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 264 cfs |
Ownership & Safety
| Purpose | Other |
| Owner | Alcoa |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Fair |
| Last Inspection | 12/10/2020 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | AR01550 |
| Federal ID | AR01550 |
| More Info | State Dam Safety Program |