Cobbs Mill Pond Dam is a masonry dam located in Fairfield County, Connecticut, built in 1892. It carries a Significant hazard potential classification and has a fair condition assessment.
Dam profile
NID height · 21 ft21 ft tall and 87 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic concrete gravity section and the water level is illustrative.
About Cobbs Mill Pond Dam
The primary purpose of Cobbs Mill Pond Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Freedman (private). It impounds the W Br Saugatuck River near Weston.
The dam stands 21 feet tall and stretches 87 feet across, creates a reservoir covering 1 acres, has a maximum storage capacity of 10 acre-feet, and collects water from a drainage area of 7 square miles. Completed in 1892, 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. Its condition is rated fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. The most recent inspection on record was 09/25/2015. That was over 11 years ago.
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Location
| State | Connecticut |
| County | Fairfield |
| Nearest City | Weston |
| River/Stream | W Br Saugatuck River |
| Coordinates | 41.21013, -73.38797 |
Physical Characteristics
| Dam Type | Masonry |
| NID Height | 21 ft |
| Dam Height | 21 ft |
| Dam Length | 87 ft |
| Year Completed | 1892 (134 years old) |
Storage & Hydraulics
| NID Storage | 10 acre-ft |
| Max Storage | 10 acre-ft |
| Normal Storage | 10 acre-ft |
| Surface Area | 1 acres |
| Drainage Area | 7 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Freedman |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Fair |
| Last Inspection | 09/25/2015 |
| Emergency Action Plan | No |
Identifiers
| NID ID | CT01424 |
| Federal ID | CT01424 |
| More Info | State Dam Safety Program |