Lake Basile Dam is an earth dam located in Hartford County, Connecticut, built in 1940. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
Dam profile
NID height · 14 ft14 ft tall and 250 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 Lake Basile Dam
The primary purpose of Lake Basile Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Town of Simsbury (local government). It impounds the Munnisunk Brook near Simsbury.
The dam stands 14 feet tall and stretches 250 feet across, creates a reservoir covering 18 acres, has a storage capacity of 74 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1940, 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 04/13/2023.
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Location
| State | Connecticut |
| County | Hartford |
| Nearest City | Simsbury |
| River/Stream | Munnisunk Brook |
| Coordinates | 41.91710, -72.78394 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 14 ft |
| Dam Height | 14 ft |
| Dam Length | 250 ft |
| Year Completed | 1940 (86 years old) |
Storage & Hydraulics
| NID Storage | 74 acre-ft |
| Normal Storage | 74 acre-ft |
| Surface Area | 18 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 491 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Town of Simsbury |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 04/13/2023 |
| Emergency Action Plan | No |
Identifiers
| NID ID | CT00274 |
| Federal ID | CT00274 |
| More Info | State Dam Safety Program |