Lower Porter Pond Dam

Significant HazardFair ConditionEmergency Action Plan: Yes

Location

StateMassachusetts
CountyPlymouth
Nearest CityBrockton
River/StreamBeaver Brook
Coordinates42.09874, -71.04348

Physical Characteristics

Dam TypeEarth
NID Height9 ft
Dam Length200 ft
Year Completed1940 (86 years old)

Storage & Hydraulics

NID Storage50 acre-ft
Max Storage50 acre-ft
Normal Storage24 acre-ft
Surface Area7 acres
Drainage Area4 sq mi
Max Discharge225 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeRecreation
OwnerCity of Brockton
Owner TypeLocal Government
Hazard ClassificationSignificant
Condition AssessmentFair
Last Inspection11/07/2022
Emergency Action PlanYes

Identifiers

NID IDMA00424
Federal IDMA00424
More InfoState Dam Safety Program

Nearby Dams

Upper Porter Pond Dam 0.2 mi Significant Thirty Acre Pond Dam 0.4 mi High Waldo Lake Dam 0.5 mi High Ellis Brett Pond Dam 0.5 mi High Cross Pond Dam 0.6 mi Significant Brockton Reservoir Dam 1.1 mi Significant French Pond Dam 2.1 mi Significant Ames Pond Dam 3.3 mi Low Langwater Pond Dam 3.5 mi Significant Ames Pond Dam 3.5 mi Significant