North Twin - Dike 4

Significant HazardSatisfactory ConditionEmergency Action Plan: Yes

Location

StateMaine
CountyPenobscot
Nearest CityMillinocket
River/StreamWest Branch Penobscot River
Coordinates45.64392, -68.77868

Physical Characteristics

Dam TypeEarth
NID Height11 ft
Dam Height11 ft
Dam Length197 ft
Year Completed1934 (92 years old)

Storage & Hydraulics

NID Storage346,000 acre-ft
Max Storage346,000 acre-ft
Normal Storage346,000 acre-ft
Surface Area17,790 acres
Drainage Area1,877 sq mi
Spillway TypeNone

Ownership & Safety

PurposeHydroelectric
Owner TypeNot Listed
Hazard ClassificationSignificant
Condition AssessmentSatisfactory
Last Inspection08/10/2022
Emergency Action PlanYes

Identifiers

NID IDME83048
Federal IDME00203S004
More InfoState Dam Safety Program

Nearby Dams

North Twin - Dike 3 0.1 mi Significant North Twin - Dike 5 0.2 mi Significant North Twin - Dike 2 0.3 mi Significant North Twin - Dike 1 0.4 mi Significant North Twin 0.6 mi High Stone Dam - Dike 3 2.2 mi Low Stone Dam 2.4 mi High Stone Dam - Dike 2 2.5 mi Low Stone Dam - Dike 1 2.5 mi Low Stone Dam - Dike 4 2.7 mi Low