Stateline Dam is an earth dam located in Essex County, Massachusetts. It carries a Low hazard potential classification and has a poor condition assessment.
Dam profile
NID height · 7 ft7 ft tall and 35 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 Stateline Dam
The primary purpose of Stateline Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by City of Amesbury (local government). It impounds the Back River near Amesbury.
The dam stands 7 feet tall and stretches 35 feet across, creates a reservoir covering 67 acres, has a maximum storage capacity of 300 acre-feet, and collects water from a drainage area of 4 square miles.
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 poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. The most recent inspection on record was 10/19/2020.
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Location
| State | Massachusetts |
| County | Essex |
| Nearest City | Amesbury |
| River/Stream | Back River |
| Coordinates | 42.86355, -70.99611 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 7 ft |
| Dam Length | 35 ft |
Storage & Hydraulics
| NID Storage | 300 acre-ft |
| Max Storage | 300 acre-ft |
| Normal Storage | 200 acre-ft |
| Surface Area | 67 acres |
| Drainage Area | 4 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | City of Amesbury |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Poor |
| Last Inspection | 10/19/2020 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MA03192 |
| Federal ID | MA03192 |
| More Info | State Dam Safety Program |