Sweetheart Lake Dam
Sweetheart Lake Dam is an earth dam located in Tolland County, Connecticut, built in 1927. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
About Sweetheart Lake Dam
The primary purpose of Sweetheart Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Connecticut Trails Council Of Girl Scouts, Inc. (private). It impounds the Bone Mill Brook near Tolland.
The dam stands 16 feet tall and stretches 170 feet across, creates a reservoir covering 10 acres, has a maximum storage capacity of 55 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1927, the structure is well-established, with more than 75 years of service.
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 satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 11/14/2016.
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Location
| State | Connecticut |
| County | Tolland |
| Nearest City | Tolland |
| River/Stream | Bone Mill Brook |
| Coordinates | 41.92409, -72.30796 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 16 ft |
| Dam Height | 16 ft |
| Dam Length | 170 ft |
| Year Completed | 1927 (99 years old) |
Storage & Hydraulics
| NID Storage | 55 acre-ft |
| Max Storage | 55 acre-ft |
| Normal Storage | 55 acre-ft |
| Surface Area | 10 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 173 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Connecticut Trails Council of Girl Scouts, Inc. |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 11/14/2016 |
| Emergency Action Plan | No |
Identifiers
| NID ID | CT00616 |
| Federal ID | CT00616 |
| More Info | State Dam Safety Program |