Foster Pond Dam
Foster Pond Dam is a masonry dam located in Middlesex County, Connecticut, built in 1900. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
About Foster Pond Dam
The primary purpose of Foster Pond Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Connecticut Deep (state). It impounds the Chatfield Hollow Bk near Killingworth.
The dam stands 17 feet tall and stretches 246 feet across, creates a reservoir covering 34 acres, has a maximum storage capacity of 187 acre-feet, and collects water from a drainage area of 9 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. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. An emergency action plan is in place for this dam. The most recent inspection on record was 05/16/2023.
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Location
| State | Connecticut |
| County | Middlesex |
| Nearest City | Killingworth |
| River/Stream | Chatfield Hollow Bk |
| Coordinates | 41.35277, -72.58553 |
Physical Characteristics
| Dam Type | Masonry |
| NID Height | 17 ft |
| Dam Height | 17 ft |
| Dam Length | 246 ft |
| Year Completed | 1900 (126 years old) |
Storage & Hydraulics
| NID Storage | 187 acre-ft |
| Max Storage | 187 acre-ft |
| Normal Storage | 187 acre-ft |
| Surface Area | 34 acres |
| Drainage Area | 9 sq mi |
| Max Discharge | 1,842 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Connecticut DEEP |
| Owner Type | State |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 05/16/2023 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | CT00407 |
| Federal ID | CT00407 |
| More Info | State Dam Safety Program |