Poheganut Reservoir Dam

Significant HazardSatisfactory ConditionEmergency Action Plan: Yes

Location

StateConnecticut
CountyNew London
Nearest CityGROTON
River/StreamHATCHING HOUSE BK
Coordinates41.36215, -72.03444

Physical Characteristics

Dam TypeEarth
NID Height16 ft
Dam Height16 ft
Dam Length1,078 ft
Year Completed1952 (74 years old)

Storage & Hydraulics

NID Storage687 acre-ft
Max Storage560 acre-ft
Normal Storage687 acre-ft
Surface Area108 acres
Drainage Area1 sq mi

Ownership & Safety

PurposeWater Supply
OwnerCity of Groton
Owner TypeLocal Government
Hazard ClassificationSignificant
Condition AssessmentSatisfactory
Last Inspection07/28/2023
Emergency Action PlanYes

Identifiers

NID IDCT00257
Federal IDCT00257
More InfoState Dam Safety Program

Nearby Dams

Poquonock Lake Dam 0.3 mi Low Poquonnock Reservoir Dam 0.8 mi High Ymca Pond Dam 2.2 mi Low Ledyard Reservoir South Dam 2.3 mi Significant Morgan Pond Dam 3.4 mi Significant Perry Pond Dam 4.2 mi Significant Brandagee Lake Dam 4.6 mi Significant Smith Pond Dam 4.6 mi Significant Mystic Reservoir Dam 5.1 mi High Deans Reservoir Dam 5.4 mi High