Ymca Pond Dam is an earth dam located in New London County, Connecticut, built in 1920. It carries a Low hazard potential classification.
Dam profile
NID height · 7 ft7 ft tall and 150 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 Ymca Pond Dam
The primary purpose of Ymca Pond Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Connecticut Deep (state). It impounds the Hempstead Brook near Groton.
The dam stands 7 feet tall and stretches 150 feet across, creates a reservoir covering 16 acres, has a maximum storage capacity of 72 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1920, the structure is over a century 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.
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Location
| State | Connecticut |
| County | New London |
| Nearest City | Groton |
| River/Stream | Hempstead Brook |
| Coordinates | 41.38590, -72.06393 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 7 ft |
| Dam Height | 7 ft |
| Dam Length | 150 ft |
| Year Completed | 1920 (106 years old) |
Storage & Hydraulics
| NID Storage | 72 acre-ft |
| Max Storage | 72 acre-ft |
| Normal Storage | 72 acre-ft |
| Surface Area | 16 acres |
| Drainage Area | 0 sq mi |
Ownership & Safety
| Purpose | Recreation |
| Owner | Connecticut Deep |
| Owner Type | State |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | No |
Identifiers
| NID ID | CT00540 |
| Federal ID | CT00540 |
| More Info | State Dam Safety Program |