Macdonald Swamp Pond is an earth dam located in New London County, Connecticut. It carries a Low hazard potential classification.
Dam profile
NID height · 10 ft10 ft tall and 213 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 Macdonald Swamp Pond
Macdonald Swamp Pond is a dam in New London, Connecticut. The dam is owned by City of Norwich (local government). It impounds the Unname.
The dam stands 10 feet tall and stretches 213 feet across, creates a reservoir covering 90 acres, and has a maximum storage capacity of 300 acre-feet.
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 |
| River/Stream | Unname |
| Coordinates | 41.54218, -72.28158 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 10 ft |
| Dam Height | 10 ft |
| Dam Length | 213 ft |
Storage & Hydraulics
| NID Storage | 1,750 acre-ft |
| Max Storage | 300 acre-ft |
| Normal Storage | 1,750 acre-ft |
| Surface Area | 90 acres |
Ownership & Safety
| Purpose | Other |
| Owner | City of Norwich |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | No |
Identifiers
| NID ID | CT01756 |
| Federal ID | CT01756 |
| More Info | State Dam Safety Program |