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Product Safety9,700+ CPSC product recalls Food Safety28,600+ FDA food recalls Pet Safety1.3M FDA animal adverse events Drug Safety17,500+ FDA drug recalls Device Safety38,400+ FDA device recalls Workplace Safety102,900+ OSHA injury reports Brand HistoryRecall lookup by company

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Granville Reservoir Dam

Massachusetts, Hampden County, Hollister Brook, Tillotson Brook, and Sullivan Hollow Brook, tributary to Munn Brook

Location

StateMassachusetts
CountyHampden
RiverHollister Brook, Tillotson Brook, and Sullivan Hollow Brook, tributary to Munn Brook
Coordinates42.08764, -72.84775

Physical Characteristics

NID Height85 ft
Dam Height-
Dam Length850 ft
NID Storage2,400 acre-ft
Max Storage2,400 acre-ft
Surface Area77 acres

Safety Classification

Hazard PotentialHigh
Condition AssessmentSatisfactory
EAP StatusYes
Last InspectionAugust 12, 2025
Inspection Frequency2

Dam Information

Year Completed1930
Primary PurposeWater Supply
Dam TypeEarth
Owner TypeLocal Government
OwnerCity of Westfield
Other NameN/A

Location Map

About This Dam Record

Dam safety data is maintained by the Army Corps of Engineers National Inventory of Dams (NID). High-hazard dams are those where failure could cause loss of life or major property damage downstream.

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