Baltic Reservoir Dam (east) is a concrete dam located in New London County, Connecticut. It carries a Significant hazard potential classification and has a poor condition assessment.
Dam profile
NID height · 9 ft9 ft tall and 370 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic concrete gravity section and the water level is illustrative.
About Baltic Reservoir Dam (east)
The primary purpose of Baltic Reservoir Dam (east) is water supply. The dam stores water for municipal, industrial, or agricultural use, helping ensure a reliable supply for the surrounding area. The dam is owned by Town of Sprague (local government). It impounds the Shetucket River Trib near Sprague.
The dam stands 9 feet tall and stretches 370 feet across, creates a reservoir covering 25 acres, has a storage capacity of 250 acre-feet, and collects water from a drainage area of 0 square miles.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. Its condition is rated poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. An emergency action plan is in place for this dam. The most recent inspection on record was 06/13/2022.
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Location
| State | Connecticut |
| County | New London |
| Nearest City | Sprague |
| River/Stream | Shetucket River Trib |
| Coordinates | 41.62232, -72.07448 |
Physical Characteristics
| Dam Type | Concrete |
| NID Height | 9 ft |
| Dam Height | 9 ft |
| Dam Length | 370 ft |
Storage & Hydraulics
| NID Storage | 250 acre-ft |
| Normal Storage | 250 acre-ft |
| Surface Area | 25 acres |
| Drainage Area | 0 sq mi |
Ownership & Safety
| Purpose | Water Supply |
| Owner | Town of Sprague |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Poor |
| Last Inspection | 06/13/2022 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | CT01698 |
| Federal ID | CT01698 |
| More Info | State Dam Safety Program |