Erikson Dam

Erikson Dam is a stone dam located in Middlesex County, Massachusetts, built in 1848. It carries a Significant hazard potential classification and has a fair condition assessment.

About Erikson Dam

The primary purpose of Erikson Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Erikson Grain Mill, Inc. (private). It impounds the Fort Pond Brook near Acton.

The dam stands 17 feet tall and stretches 58 feet across, creates a reservoir covering 8 acres, has a maximum storage capacity of 198 acre-feet, and collects water from a drainage area of 19 square miles. Completed in 1848, the structure is one of the older dams in the region, with over a century and a half of service.

This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. Its condition is rated fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. An emergency action plan is in place for this dam. The most recent inspection on record was 06/07/2018.

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Significant HazardFair ConditionEmergency Action Plan: Yes

Location

StateMassachusetts
CountyMiddlesex
Nearest CityActon
River/StreamFort Pond Brook
Coordinates42.45937, -71.45433

Physical Characteristics

Dam TypeStone
NID Height17 ft
Dam Length58 ft
Year Completed1848 (178 years old)

Storage & Hydraulics

NID Storage198 acre-ft
Max Storage198 acre-ft
Normal Storage50 acre-ft
Surface Area8 acres
Drainage Area19 sq mi
Spillway TypeUncontrolled

Ownership & Safety

PurposeRecreation
OwnerErikson Grain Mill, Inc.
Owner TypePrivate
Hazard ClassificationSignificant
Condition AssessmentFair
Last Inspection06/07/2018
Emergency Action PlanYes

Identifiers

NID IDMA00195
Federal IDMA00195
More InfoState Dam Safety Program

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