Rimmon Dam
Rimmon Dam is a concrete dam located in New Haven County, Connecticut, built in 1900. It carries a Significant hazard potential classification.
About Rimmon Dam
The primary purpose of Rimmon Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Either State Or Town - Under Review. (private). It impounds the Naugatuck River near Seymour.
The dam stands 18 feet tall and stretches 200 feet across, creates a reservoir covering 10 acres, has a maximum storage capacity of 75 acre-feet, and collects water from a drainage area of 300 square miles. Completed in 1900, the structure is over a century old.
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.
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Location
| State | Connecticut |
| County | New Haven |
| Nearest City | Seymour |
| River/Stream | Naugatuck River |
| Coordinates | 41.39285, -73.07598 |
Physical Characteristics
| Dam Type | Concrete |
| NID Height | 18 ft |
| Dam Height | 18 ft |
| Dam Length | 200 ft |
| Year Completed | 1900 (126 years old) |
Storage & Hydraulics
| NID Storage | 75 acre-ft |
| Max Storage | 75 acre-ft |
| Normal Storage | 75 acre-ft |
| Surface Area | 10 acres |
| Drainage Area | 300 sq mi |
| Max Discharge | 7,423 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | Either State or Town - under review. |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Not Rated |
| Emergency Action Plan | No |
Identifiers
| NID ID | CT00399 |
| Federal ID | CT00399 |
| More Info | State Dam Safety Program |