Stateline Dam

Stateline Dam is an earth dam located in Essex County, Massachusetts. It carries a Low hazard potential classification and has a poor condition assessment.

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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Low HazardPoor ConditionEmergency Action Plan: Not Required

Location

StateMassachusetts
CountyEssex
Nearest CityAmesbury
River/StreamBack River
Coordinates42.86355, -70.99611

Physical Characteristics

Dam TypeEarth
NID Height7 ft
Dam Length35 ft

Storage & Hydraulics

NID Storage300 acre-ft
Max Storage300 acre-ft
Normal Storage200 acre-ft
Surface Area67 acres
Drainage Area4 sq mi
Spillway TypeUncontrolled

Ownership & Safety

PurposeRecreation
OwnerCity of Amesbury
Owner TypeLocal Government
Hazard ClassificationLow
Condition AssessmentPoor
Last Inspection10/19/2020
Emergency Action PlanNot Required

Identifiers

NID IDMA03192
Federal IDMA03192
More InfoState Dam Safety Program

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