Factory Hollow Dam

High HazardFair ConditionEmergency Action Plan: Yes

Location

StateMassachusetts
CountyHampshire
Nearest CityAmherst
River/StreamCushman Brook, Mill River
Coordinates42.41566, -72.51924

Physical Characteristics

Dam TypeMasonry
NID Height31 ft
Dam Length110 ft
Year Completed1895 (131 years old)

Storage & Hydraulics

NID Storage94 acre-ft
Max Storage94 acre-ft
Normal Storage80 acre-ft
Surface Area8 acres
Drainage Area16 sq mi
Max Discharge2,711 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeRecreation
OwnerTown of Amherst
Owner TypeLocal Government
Hazard ClassificationHigh
Condition AssessmentFair
Last Inspection11/11/2021
Emergency Action PlanYes

Identifiers

NID IDMA00063
Federal IDMA00063
More InfoState Dam Safety Program

Nearby Dams

Factory Hollow Dike 0.0 mi Significant Atkins Reservoir Dam 1.8 mi High Atkins Reservoir Dike 2.0 mi Low Lake Warner Dam 3.8 mi Low Hill Reservoir Dam 4.6 mi Significant Hawley Reservoir Dam 4.8 mi Significant D.f. Riley Grist Mill Dam 5.5 mi Significant Standish Chard Dam 6.1 mi Significant Whitmore Pond Dam 6.5 mi Significant Epstein Pond Dam 6.7 mi Low