Middle Pond Dam No. 1 is an earth dam located in Bristol County, Massachusetts, built in 1967. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
Dam profile
NID height · 18 ft18 ft tall and 180 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 Middle Pond Dam No. 1
The primary purpose of Middle Pond Dam No. 1 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 Thompson Brook near Taunton.
The dam stands 18 feet tall and stretches 180 feet across, creates a reservoir covering 30 acres, has a maximum storage capacity of 389 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1967, 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 06/08/2020.
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 | Taunton |
| River/Stream | Thompson Brook |
| Coordinates | 41.86948, -70.98868 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 18 ft |
| Dam Length | 180 ft |
| Year Completed | 1967 (59 years old) |
Storage & Hydraulics
| NID Storage | 389 acre-ft |
| Max Storage | 389 acre-ft |
| Normal Storage | 236 acre-ft |
| Surface Area | 30 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 130 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Ma Department of Conservation & Recreation |
| Owner Type | State |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 06/08/2020 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | MA02558 |
| Federal ID | MA02558 |
| More Info | State Dam Safety Program |