Bomac Lake Dam is an earth dam located in Allegany County, New York, built in 1957. It carries a Low hazard potential classification.
Dam profile
NID height · 22 ft22 ft tall and 1,650 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 Bomac Lake Dam
The primary purpose of Bomac Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Nys Dec (state). It impounds the Tr-wigwam Creek near Belfast.
The dam stands 22 feet tall and stretches 1,650 feet across, creates a reservoir covering 58 acres, has a maximum storage capacity of 541 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1957, 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 04/25/1996. That was over 30 years ago.
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Location
| State | New York |
| County | Allegany |
| Nearest City | Belfast |
| River/Stream | Tr-wigwam Creek |
| Coordinates | 42.38333, -78.06833 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 22 ft |
| Dam Height | 22 ft |
| Dam Length | 1,650 ft |
| Year Completed | 1957 (69 years old) |
Storage & Hydraulics
| NID Storage | 541 acre-ft |
| Max Storage | 541 acre-ft |
| Normal Storage | 424 acre-ft |
| Surface Area | 58 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 316 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Nys Dec |
| Owner Type | State |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 04/25/1996 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NY00821 |
| Federal ID | NY00821 |
| More Info | State Dam Safety Program |