Nystrom Pond Dam is an earth dam located in Litchfield County, Connecticut, built in 1889. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
Dam profile
NID height · 16 ft16 ft tall and 140 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Nystrom Pond Dam
The primary purpose of Nystrom Pond Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Town of Thomaston (local government). It impounds the Turner Brook near Northfield.
The dam stands 16 feet tall and stretches 140 feet across, creates a reservoir covering 17 acres, has a maximum storage capacity of 193 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1889, 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 08/14/2017.
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Location
| State | Connecticut |
| County | Litchfield |
| Nearest City | Northfield |
| River/Stream | Turner Brook |
| Coordinates | 41.68437, -73.11905 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 16 ft |
| Dam Height | 16 ft |
| Dam Length | 140 ft |
| Year Completed | 1889 (137 years old) |
Storage & Hydraulics
| NID Storage | 193 acre-ft |
| Max Storage | 193 acre-ft |
| Normal Storage | 130 acre-ft |
| Surface Area | 17 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 390 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Town of Thomaston |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 08/14/2017 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | CT00457 |
| Federal ID | CT00457 |
| More Info | State Dam Safety Program |