Nash Pond Dam
Nash Pond Dam is a masonry dam located in Fairfield County, Connecticut, built in 1879. It carries a High hazard potential classification and has a satisfactory condition assessment.
About Nash Pond Dam
The primary purpose of Nash Pond Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Brainerd Nash Agents (private). It impounds the Stony Brook near Saugatuck.
The dam stands 22 feet tall and stretches 106 feet across, creates a reservoir covering 11 acres, has a maximum storage capacity of 114 acre-feet, and collects water from a drainage area of 3 square miles. Completed in 1879, the structure is over a century old.
This dam carries a high hazard potential classification, which means that a failure or uncontrolled release of water would likely cause loss of human life. This classification reflects the consequences of failure, not the likelihood — it indicates that people live or work in the area downstream. 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 11/07/2024.
Living Downstream
If you live or work downstream of this dam, consider taking these steps: learn your local evacuation routes, check whether your county emergency management office has a dam failure inundation map, and sign up for local emergency alerts. The Connecticut dam safety program can provide more specific information about emergency planning for this structure.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Connecticut |
| County | Fairfield |
| Nearest City | Saugatuck |
| River/Stream | Stony Brook |
| Coordinates | 41.13737, -73.37177 |
Physical Characteristics
| Dam Type | Masonry |
| NID Height | 22 ft |
| Dam Height | 22 ft |
| Dam Length | 106 ft |
| Year Completed | 1879 (147 years old) |
Storage & Hydraulics
| NID Storage | 114 acre-ft |
| Max Storage | 114 acre-ft |
| Normal Storage | 58 acre-ft |
| Surface Area | 11 acres |
| Drainage Area | 3 sq mi |
| Max Discharge | 250 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Brainerd Nash Agents |
| Owner Type | Private |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 11/07/2024 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | CT00060 |
| Federal ID | CT00060 |
| More Info | State Dam Safety Program |