Flattail Lake Dam is an earth dam located in Erie County, New York, built in 1940. It carries a Low hazard potential classification.
Dam profile
NID height · 14 ft14 ft tall and 500 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 Flattail Lake Dam
The primary purpose of Flattail Lake Dam is fish and wildlife pond. The dam creates habitat for fish and wildlife, supporting local ecosystems and potentially serving conservation goals. The dam is owned by Nys Dec (state). It impounds the Tr-slate-bottom Creek near Cheektowaga.
The dam stands 14 feet tall and stretches 500 feet across, creates a reservoir covering 8 acres, and has a maximum storage capacity of 54 acre-feet. Completed in 1940, the structure is well-established, with more than 75 years of service.
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 05/06/2013. That was over 13 years ago.
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Location
| State | New York |
| County | Erie |
| Nearest City | Cheektowaga |
| River/Stream | Tr-slate-bottom Creek |
| Coordinates | 42.88861, -78.72250 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 14 ft |
| Dam Height | 14 ft |
| Dam Length | 500 ft |
| Year Completed | 1940 (86 years old) |
Storage & Hydraulics
| NID Storage | 54 acre-ft |
| Max Storage | 54 acre-ft |
| Normal Storage | 36 acre-ft |
| Surface Area | 8 acres |
| Spillway Type | None |
Ownership & Safety
| Purpose | Fish and Wildlife Pond |
| Owner | Nys Dec |
| Owner Type | State |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 05/06/2013 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NY14937 |
| Federal ID | NY14937 |
| More Info | State Dam Safety Program |