Grannis Pond Dam
Grannis Pond Dam is an earth dam located in Hartford County, Connecticut. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
About Grannis Pond Dam
The primary purpose of Grannis Pond Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Forestville Fishing Club, Inc. (private). It impounds the Eightmile River.
The dam stands 9 feet tall and stretches 400 feet across, creates a reservoir covering 30 acres, and collects water from a drainage area of 5 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 satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 10/09/2015. That was over 10 years ago.
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Location
| State | Connecticut |
| County | Hartford |
| River/Stream | Eightmile River |
| Coordinates | 41.62198, -72.91563 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 9 ft |
| Dam Height | 9 ft |
| Dam Length | 400 ft |
Storage & Hydraulics
| Surface Area | 30 acres |
| Drainage Area | 5 sq mi |
Ownership & Safety
| Purpose | Recreation |
| Owner | Forestville Fishing Club, Inc. |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 10/09/2015 |
| Emergency Action Plan | No |
Identifiers
| NID ID | CT01644 |
| Federal ID | CT01644 |
| More Info | State Dam Safety Program |