Addison Pond Dam is an earth dam located in Hartford County, Connecticut, built in 1820. It carries a Significant hazard potential classification.
Dam profile
NID height · 18 ft18 ft tall and 125 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 Addison Pond Dam
The primary purpose of Addison Pond Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Porch & Patio Reality Corporation (private). It impounds the Salmon Brook near Addison.
The dam stands 18 feet tall and stretches 125 feet across, creates a reservoir covering 8 acres, has a maximum storage capacity of 62 acre-feet, and collects water from a drainage area of 6 square miles. Completed in 1820, the structure is one of the older dams in the region, with over a century and a half 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. The most recent inspection on record was 09/26/1996. That was over 30 years ago.
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Location
| State | Connecticut |
| County | Hartford |
| Nearest City | Addison |
| River/Stream | Salmon Brook |
| Coordinates | 41.71930, -72.57637 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 18 ft |
| Dam Height | 18 ft |
| Dam Length | 125 ft |
| Year Completed | 1820 (206 years old) |
Storage & Hydraulics
| NID Storage | 62 acre-ft |
| Max Storage | 62 acre-ft |
| Normal Storage | 62 acre-ft |
| Surface Area | 8 acres |
| Drainage Area | 6 sq mi |
| Max Discharge | 600 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | Porch & Patio Reality Corporation |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Not assessed |
| Last Inspection | 09/26/1996 |
| Emergency Action Plan | No |
Identifiers
| NID ID | CT00245 |
| Federal ID | CT00245 |
| More Info | State Dam Safety Program |