Rock Mountain Lake
Rock Mountain Lake is an earth dam located in Jefferson County, Alabama, built in 1936. It carries a Significant hazard potential classification.
About Rock Mountain Lake
The primary purpose of Rock Mountain Lake is water supply. The dam stores water for municipal, industrial, or agricultural use, helping ensure a reliable supply for the surrounding area. The dam is owned by B@ham Ind Water Board (private). It impounds the Tr-barton Branch near Robinwood.
The dam stands 49 feet tall and stretches 1,838 feet across, and has a maximum storage capacity of 254 acre-feet. Completed in 1936, the structure is well-established, with more than 75 years of service.
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.
At 49 feet, this dam is taller than 92% of dams nationwide.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Alabama |
| County | Jefferson |
| Nearest City | Robinwood |
| River/Stream | Tr-barton Branch |
| Coordinates | 33.62333, -86.75167 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 49 ft |
| Dam Length | 1,838 ft |
| Year Completed | 1936 (90 years old) |
Storage & Hydraulics
| NID Storage | 254 acre-ft |
| Max Storage | 254 acre-ft |
| Normal Storage | 184 acre-ft |
| Max Discharge | 296 cfs |
Ownership & Safety
| Purpose | Water Supply |
| Owner | B@HAM IND WATER BOARD |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Not Rated |
| Emergency Action Plan | No |
Identifiers
| NID ID | AL01271 |
| Federal ID | AL01271 |
| More Info | State Dam Safety Program |