Henry # 1 Lake Dam
Henry # 1 Lake Dam is an earth dam located in Scott County, Mississippi, built in 2015. It carries a Low hazard potential classification.
About Henry # 1 Lake Dam
The primary purpose of Henry # 1 Lake Dam is tailings. Tailings dams contain waste material from mining operations — typically a slurry of finely ground rock left over after valuable minerals have been extracted. These structures require ongoing monitoring because tailings can contain heavy metals and other contaminants. The dam is private-owned. It impounds the Big Black River.
The dam stands 35 feet tall and stretches 927 feet across, creates a reservoir covering 4 acres, has a maximum storage capacity of 125 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 2015, the structure is relatively new.
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.
At 35 feet, this dam is taller than 82% of dams nationwide.
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Location
| State | Mississippi |
| County | Scott |
| River/Stream | Big Black River |
| Coordinates | 32.47306, -89.62167 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 35 ft |
| Dam Height | 30 ft |
| Dam Length | 927 ft |
| Year Completed | 2015 (11 years old) |
Storage & Hydraulics
| NID Storage | 125 acre-ft |
| Max Storage | 125 acre-ft |
| Normal Storage | 90 acre-ft |
| Surface Area | 4 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 113 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Tailings |
| Owner Type | Private |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MS07358 |
| Federal ID | MS07358 |
| More Info | State Dam Safety Program |