Mcwilliams Lake Dam is an earth dam located in Forsyth County, Georgia, built in 1956. It carries a Low hazard potential classification.
Dam profile
NID height · 19 ft19 ft tall and 120 ft long. 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 Mcwilliams Lake Dam
The primary purpose of Mcwilliams Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Rudolph a Brown III (private). It impounds the Unknown near Cumming Community.
The dam stands 19 feet tall and stretches 120 feet across, creates a reservoir covering 5 acres, and has a maximum storage capacity of 63 acre-feet. Completed in 1956, the structure is well into its service life at over 50 years old.
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. The most recent inspection on record was 12/01/1992. That was over 33 years ago.
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Location
| State | Georgia |
| County | Forsyth |
| Nearest City | Cumming Community |
| River/Stream | Unknown |
| Coordinates | 34.20806, -84.17667 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 19 ft |
| Dam Height | 19 ft |
| Dam Length | 120 ft |
| Year Completed | 1956 (70 years old) |
Storage & Hydraulics
| NID Storage | 63 acre-ft |
| Max Storage | 63 acre-ft |
| Normal Storage | 32 acre-ft |
| Surface Area | 5 acres |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Rudolph a Brown III |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 12/01/1992 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | GA01996 |
| Federal ID | GA01996 |
| More Info | State Dam Safety Program |