Walnut Hill Pond Dam
Walnut Hill Pond Dam is an earth dam located in Fairfield County, Connecticut, built in 1962. It carries a Significant hazard potential classification and has a fair condition assessment.
About Walnut Hill Pond Dam
The primary purpose of Walnut Hill Pond Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Estate Of Julia Wasserman (private). It impounds the Trib To Rodericks Brook near Newtown.
The dam stands 27 feet tall and stretches 275 feet across, creates a reservoir covering 1 acres, has a maximum storage capacity of 54 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1962, the structure is well into its service life at over 50 years 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 04/22/2023.
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Location
| State | Connecticut |
| County | Fairfield |
| Nearest City | Newtown |
| River/Stream | Trib To Rodericks Brook |
| Coordinates | 41.43818, -73.28517 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 27 ft |
| Dam Height | 27 ft |
| Dam Length | 275 ft |
| Year Completed | 1962 (64 years old) |
Storage & Hydraulics
| NID Storage | 54 acre-ft |
| Max Storage | 54 acre-ft |
| Normal Storage | 23 acre-ft |
| Surface Area | 1 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 701 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Estate of Julia Wasserman |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Fair |
| Last Inspection | 04/22/2023 |
| Emergency Action Plan | No |
Identifiers
| NID ID | CT01688 |
| Federal ID | CT01688 |
| More Info | State Dam Safety Program |