Hell Hollow Pond Dam
Hell Hollow Pond Dam is an earth dam located in New London County, Connecticut. It carries a Low hazard potential classification and has a fair condition assessment.
About Hell Hollow Pond Dam
The primary purpose of Hell Hollow Pond 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 Connecticut Deep (state). It impounds the Unnamed near Voluntown.
The dam stands 10 feet tall and stretches 400 feet across, creates a reservoir covering 52 acres, has a storage capacity of 53 acre-feet, and collects water from a drainage area of 5 square miles.
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. Its condition is rated fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. An emergency action plan is in place for this dam. The most recent inspection on record was 11/11/2021.
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Location
| State | Connecticut |
| County | New London |
| Nearest City | Voluntown |
| River/Stream | Unnamed |
| Coordinates | 41.63721, -71.87002 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 10 ft |
| Dam Height | 10 ft |
| Dam Length | 400 ft |
Storage & Hydraulics
| NID Storage | 53 acre-ft |
| Normal Storage | 53 acre-ft |
| Surface Area | 52 acres |
| Drainage Area | 5 sq mi |
Ownership & Safety
| Purpose | Fish and Wildlife Pond |
| Owner | Connecticut DEEP |
| Owner Type | State |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 11/11/2021 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | CT01684 |
| Federal ID | CT01684 |
| More Info | State Dam Safety Program |