Mathers Pond Dam
Mathers Pond Dam is a masonry dam located in Fairfield County, Connecticut, built in 1921. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
About Mathers Pond Dam
The primary purpose of Mathers Pond Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Sargent (private). It impounds the Goodwives River Trib near Darien.
The dam stands 18 feet tall and stretches 170 feet across, creates a reservoir covering 5 acres, has a maximum storage capacity of 32 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1921, 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 satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 11/26/2024.
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Location
| State | Connecticut |
| County | Fairfield |
| Nearest City | Darien |
| River/Stream | Goodwives River Trib |
| Coordinates | 41.10938, -73.47486 |
Physical Characteristics
| Dam Type | Masonry |
| NID Height | 18 ft |
| Dam Height | 18 ft |
| Dam Length | 170 ft |
| Year Completed | 1921 (105 years old) |
Storage & Hydraulics
| NID Storage | 32 acre-ft |
| Max Storage | 32 acre-ft |
| Normal Storage | 15 acre-ft |
| Surface Area | 5 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 1,496 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | Sargent |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 11/26/2024 |
| Emergency Action Plan | No |
Identifiers
| NID ID | CT00054 |
| Federal ID | CT00054 |
| More Info | State Dam Safety Program |