Cobble Mountain Reservoir Dam

High HazardSatisfactory ConditionEmergency Action Plan: Yes

Location

StateMassachusetts
CountyHampden
Nearest CityRussell
River/StreamLittle River
Coordinates42.12203, -72.89163

Physical Characteristics

Dam TypeEarth
NID Height245 ft
Dam Length730 ft
Year Completed1930 (96 years old)

Storage & Hydraulics

NID Storage97,200 acre-ft
Max Storage97,200 acre-ft
Normal Storage72,930 acre-ft
Surface Area1,150 acres
Drainage Area45 sq mi
Max Discharge33,540 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeWater Supply
OwnerSpringfield Water and Sewer Commission
Owner TypeLocal Government
Hazard ClassificationHigh
Condition AssessmentSatisfactory
Last Inspection11/14/2023
Emergency Action PlanYes

Identifiers

NID IDMA00068
Federal IDMA00068
More InfoState Dam Safety Program

Nearby Dams