Johnson Pond Dam
Johnson Pond Dam is an earth dam located in Bristol County, Massachusetts, built in 1950. It carries a Low hazard potential classification and has a fair condition assessment.
About Johnson Pond Dam
The primary purpose of Johnson 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 Raynham (local government). It impounds the Tributary Of Forge River near Raynham.
The dam stands 10 feet tall and stretches 230 feet across, has a maximum storage capacity of 71 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1950, the structure is well-established, with more than 75 years of service.
This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected 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 01/12/2022.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Massachusetts |
| County | Bristol |
| Nearest City | Raynham |
| River/Stream | Tributary Of Forge River |
| Coordinates | 41.92434, -71.05293 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 10 ft |
| Dam Length | 230 ft |
| Year Completed | 1950 (76 years old) |
Storage & Hydraulics
| NID Storage | 71 acre-ft |
| Max Storage | 71 acre-ft |
| Normal Storage | 52 acre-ft |
| Drainage Area | 2 sq mi |
| Max Discharge | 60 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Town of Raynham |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 01/12/2022 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MA00922 |
| Federal ID | MA00922 |
| More Info | State Dam Safety Program |