Nagog Pond Dam

Significant HazardSatisfactory ConditionEmergency Action Plan: Yes

Location

StateMassachusetts
CountyMiddlesex
Nearest CityActon
River/StreamNagog Brook
Coordinates42.50989, -71.43355

Physical Characteristics

Dam TypeEarth
NID Height15 ft
Dam Length170 ft
Year Completed1909 (117 years old)

Storage & Hydraulics

NID Storage3,140 acre-ft
Max Storage3,140 acre-ft
Normal Storage2,698 acre-ft
Surface Area285 acres
Drainage Area1 sq mi
Max Discharge90 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeWater Supply
OwnerTown of Concord
Owner TypeLocal Government
Hazard ClassificationSignificant
Condition AssessmentSatisfactory
Last Inspection06/09/2023
Emergency Action PlanYes

Identifiers

NID IDMA00129
Federal IDMA00129
More InfoState Dam Safety Program

Nearby Dams

Allen Dam 2.4 mi Low Erikson Dam 3.6 mi Significant Mill Pond Dam 3.7 mi Low Barretts Mill Road Dam 3.7 mi Low Warner's Pond Dam 4.0 mi Significant Estabrook Farm Pond Dam 4.1 mi Low Cranberry Bog Dam 4.3 mi Low Curve Street Dam 4.4 mi Significant Assabet 4.8 mi Significant Musketaquid Pond Upper Dam 4.9 mi Low