Valley Pond Dam
Valley Pond Dam is an earth dam located in Middlesex County, Massachusetts, built in 1962. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
About Valley Pond Dam
The primary purpose of Valley Pond Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Valley Pond Corporation (private). It impounds the Tributary To Stony Brook near Lincoln.
The dam stands 14 feet tall and stretches 450 feet across, creates a reservoir covering 21 acres, has a maximum storage capacity of 105 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 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 08/24/2022.
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Location
| State | Massachusetts |
| County | Middlesex |
| Nearest City | Lincoln |
| River/Stream | Tributary To Stony Brook |
| Coordinates | 42.40323, -71.29497 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 14 ft |
| Dam Length | 450 ft |
| Year Completed | 1962 (64 years old) |
Storage & Hydraulics
| NID Storage | 105 acre-ft |
| Max Storage | 105 acre-ft |
| Normal Storage | 63 acre-ft |
| Surface Area | 21 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 750 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Valley Pond Corporation |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 08/24/2022 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | MA01104 |
| Federal ID | MA01104 |
| More Info | State Dam Safety Program |