W D Harrigan Dam is an earth dam located in Clarke County, Alabama, built in 1960. It carries a Significant hazard potential classification.
Dam profile
NID height · 50 ft50 ft tall and 500 ft long, taller than 92% 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 W D Harrigan Dam
The primary purpose of W D Harrigan Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by W D Harrigan (private). It impounds the Tr-bassett Creek near Dickinson.
The dam stands 50 feet tall and stretches 500 feet across, and has a maximum storage capacity of 490 acre-feet. Completed in 1960, 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.
At 50 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 | Clarke |
| Nearest City | Dickinson |
| River/Stream | Tr-bassett Creek |
| Coordinates | 31.73667, -87.73833 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 50 ft |
| Dam Length | 500 ft |
| Year Completed | 1960 (66 years old) |
Storage & Hydraulics
| NID Storage | 490 acre-ft |
| Max Storage | 490 acre-ft |
| Normal Storage | 400 acre-ft |
| Max Discharge | 60 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | W D Harrigan |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Not assessed |
| Emergency Action Plan | No |
Identifiers
| NID ID | AL00052 |
| Federal ID | AL00052 |
| More Info | ASDSO on Alabama (no state dam safety program) |