Reilly Lake is an earth dam located in Calhoun County, Alabama, built in 1945. It carries a Significant hazard potential classification.
Dam profile
NID height · 25 ft25 ft tall and 400 ft long, taller than 50% of U.S. dams with a recorded height. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Reilly Lake
The primary purpose of Reilly Lake is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Fort Mcclellan (federal). It impounds the Tr Tallasseehatchee Creek near Weaver.
The dam stands 25 feet tall and stretches 400 feet across, creates a reservoir covering 8 acres, has a maximum storage capacity of 46 acre-feet, and collects water from a drainage area of 368 square miles. Completed in 1945, 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. An emergency action plan is in place for this dam. The most recent inspection on record was 10/01/1995. That was over 31 years ago.
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Location
| State | Alabama |
| County | Calhoun |
| Nearest City | Weaver |
| River/Stream | Tr Tallasseehatchee Creek |
| Coordinates | 33.74667, -85.78167 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 25 ft |
| Dam Length | 400 ft |
| Year Completed | 1945 (81 years old) |
Storage & Hydraulics
| NID Storage | 46 acre-ft |
| Max Storage | 46 acre-ft |
| Normal Storage | 35 acre-ft |
| Surface Area | 8 acres |
| Drainage Area | 368 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Fort Mcclellan |
| Owner Type | Federal |
| Hazard Classification | Significant |
| Condition Assessment | Not assessed |
| Last Inspection | 10/01/1995 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | AL01721 |
| Federal ID | AL01721 |
| More Info | ASDSO on Alabama (no state dam safety program) |