Mansfield Hollow Dam - Dike C

High HazardNot Available ConditionEmergency Action Plan: Yes

Location

StateConnecticut
CountyTolland
Nearest CityWILLIMANTIC
River/StreamNACHAUG RIVER
Coordinates41.76500, -72.18167

Physical Characteristics

Dam TypeGravity
NID Height78 ft
Dam Height78 ft
Dam Length14,050 ft
Year Completed1952 (74 years old)

Storage & Hydraulics

NID Storage76,000 acre-ft
Max Storage76,000 acre-ft
Normal Storage2,800 acre-ft
Surface Area450 acres
Drainage Area159 sq mi
Max Discharge106,500 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeFlood Risk Reduction
OwnerUSACE - New England District
Owner TypeFederal
Hazard ClassificationHigh
Condition AssessmentNot Available
Last Inspection06/01/2020
Emergency Action PlanYes

Identifiers

NID IDCT00503
Federal IDCT00503S003
More InfoState Dam Safety Program

Nearby Dams

Willimantic Reservoir Dam 1.8 mi High Mansfield Recreation Pond 2.4 mi Significant Hansens Pond Dam 2.7 mi Significant Cavanaughs Pond Dam 3.2 mi Significant Hanks Hill Pond Dam 3.3 mi Significant Bibbins Pond Dam 3.7 mi Significant Varga Pond 4.1 mi Significant Mclaughlin Pond South Dam 4.3 mi Significant Potash Pond Dam 4.3 mi Significant Mclaughlin Pond East Dam 4.3 mi Significant