Goss Brook Dam
Goss Brook Dam is an earth dam located in Windham County, Connecticut, built in 1963. It carries a High hazard potential classification and has a satisfactory condition assessment.
About Goss Brook Dam
The primary purpose of Goss Brook Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Connecticut Rivers Council, Bsa (private). It impounds the Goss Brook near Warrenville.
The dam stands 39 feet tall and stretches 650 feet across, creates a reservoir covering 23 acres, has a maximum storage capacity of 530 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1963, the structure is well into its service life at over 50 years old.
This dam carries a high hazard potential classification, which means that a failure or uncontrolled release of water would likely cause loss of human life. This classification reflects the consequences of failure, not the likelihood — it indicates that people live or work in the area downstream. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. An emergency action plan is in place for this dam. The most recent inspection on record was 11/29/2024.
At 39 feet, this dam is taller than 86% of dams nationwide.
Living Downstream
If you live or work downstream of this dam, consider taking these steps: learn your local evacuation routes, check whether your county emergency management office has a dam failure inundation map, and sign up for local emergency alerts. The Connecticut dam safety program can provide more specific information about emergency planning for this structure.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Connecticut |
| County | Windham |
| Nearest City | Warrenville |
| River/Stream | Goss Brook |
| Coordinates | 41.87884, -72.15064 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 39 ft |
| Dam Height | 39 ft |
| Dam Length | 650 ft |
| Year Completed | 1963 (63 years old) |
Storage & Hydraulics
| NID Storage | 530 acre-ft |
| Max Storage | 530 acre-ft |
| Normal Storage | 340 acre-ft |
| Surface Area | 23 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 280 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Connecticut Rivers Council, BSA |
| Owner Type | Private |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 11/29/2024 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | CT00465 |
| Federal ID | CT00465 |
| More Info | State Dam Safety Program |