Spot Pond Dike No. 5 is an earth dam located in Middlesex County, Massachusetts, built in 1880. It carries a Low hazard potential classification and has a satisfactory condition assessment.
Dam profile
NID height · 10 ft10 ft tall and 270 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 Spot Pond Dike No. 5
The primary purpose of Spot Pond Dike No. 5 is water supply. The dam stores water for municipal, industrial, or agricultural use, helping ensure a reliable supply for the surrounding area. The dam is owned by Ma Department of Conservation & Recreation (state). It impounds the Spot Pond Brook near Stoneham.
The dam stands 10 feet tall and stretches 270 feet across, creates a reservoir covering 307 acres, has a maximum storage capacity of 7,779 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1880, the structure is over a century old.
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 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 11/06/2020.
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Location
| State | Massachusetts |
| County | Middlesex |
| Nearest City | Stoneham |
| River/Stream | Spot Pond Brook |
| Coordinates | 42.44853, -71.10155 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 10 ft |
| Dam Length | 270 ft |
| Year Completed | 1880 (146 years old) |
Storage & Hydraulics
| NID Storage | 7,779 acre-ft |
| Max Storage | 7,779 acre-ft |
| Normal Storage | 5,625 acre-ft |
| Surface Area | 307 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | None |
Ownership & Safety
| Purpose | Water Supply |
| Owner | Ma Department of Conservation & Recreation |
| Owner Type | State |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 11/06/2020 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | MA03318 |
| Federal ID | MA02961S002 |
| More Info | State Dam Safety Program |