Hallockville Pond Dam is an earth dam located in Franklin County, Massachusetts. It carries a Significant hazard potential classification and has a fair condition assessment.
Dam profile
NID height · 15 ft15 ft tall and 132 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 Hallockville Pond Dam
The primary purpose of Hallockville Pond Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Ma Department of Conservation & Recreation (state). It impounds the King Brook near Hawley.
The dam stands 15 feet tall and stretches 132 feet across, creates a reservoir covering 16 acres, has a maximum storage capacity of 175 acre-feet, and collects water from a drainage area of 1 square miles.
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. An emergency action plan is in place for this dam. The most recent inspection on record was 04/06/2021.
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Location
| State | Massachusetts |
| County | Franklin |
| Nearest City | Hawley |
| River/Stream | King Brook |
| Coordinates | 42.55154, -72.94164 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 15 ft |
| Dam Length | 132 ft |
Storage & Hydraulics
| NID Storage | 175 acre-ft |
| Max Storage | 175 acre-ft |
| Normal Storage | 70 acre-ft |
| Surface Area | 16 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 90 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Ma Department of Conservation & Recreation |
| Owner Type | State |
| Hazard Classification | Significant |
| Condition Assessment | Fair |
| Last Inspection | 04/06/2021 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | MA00465 |
| Federal ID | MA00465 |
| More Info | State Dam Safety Program |