Mount Holyoke College Upper Pond Dam

High HazardFair ConditionEmergency Action Plan: Yes

Location

StateMassachusetts
CountyHampshire
Nearest CityS. Hadley
River/StreamStony Brook
Coordinates42.25829, -72.57104

Physical Characteristics

Dam TypeConcrete
NID Height20 ft
Dam Length160 ft

Storage & Hydraulics

NID Storage120 acre-ft
Max Storage120 acre-ft
Normal Storage80 acre-ft
Surface Area10 acres
Drainage Area18 sq mi
Max Discharge945 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeRecreation
OwnerMount Holyoke College
Owner TypePrivate
Hazard ClassificationHigh
Condition AssessmentFair
Last Inspection08/16/2022
Emergency Action PlanYes

Identifiers

NID IDMA00583
Federal IDMA00583
More InfoState Dam Safety Program

Nearby Dams

Mount Holyoke College Lower Pond Dam 0.3 mi High Marcalus Manufacturing Company Dam 0.8 mi High Leaping Well Reservoir Dam 1.7 mi High Queensville Pond Dam 1.8 mi Significant Quenneville Dam 1.9 mi Low Lake Bray Dam 2.3 mi Significant Aldrich Lake Dam 2.4 mi Significant Lithia Springs Reservoir Dam 2.5 mi Low Hillside Beach Dam 2.7 mi High Whiting Street Reservoir Dam 3.5 mi High