Cedar Street Dam

Cedar Street Dam is an earth dam located in Middlesex County, Massachusetts. It carries a Significant hazard potential classification and has a fair condition assessment.

About Cedar Street Dam

The primary purpose of Cedar Street Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Town Of Ashland (local government). It impounds the Sudbury River near Ashland.

The dam stands 12 feet tall and stretches 250 feet across, creates a reservoir covering 1 acres, has a maximum storage capacity of 12 acre-feet, and collects water from a drainage area of 0 square miles.

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 07/12/2018.

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Significant HazardFair ConditionEmergency Action Plan: Yes

Location

StateMassachusetts
CountyMiddlesex
Nearest CityAshland
River/StreamSudbury River
Coordinates42.25168, -71.44089

Physical Characteristics

Dam TypeEarth
NID Height12 ft
Dam Length250 ft

Storage & Hydraulics

NID Storage12 acre-ft
Max Storage12 acre-ft
Normal Storage9 acre-ft
Surface Area1 acres
Drainage Area0 sq mi
Spillway TypeUncontrolled

Ownership & Safety

PurposeRecreation
OwnerTown of Ashland
Owner TypeLocal Government
Hazard ClassificationSignificant
Condition AssessmentFair
Last Inspection07/12/2018
Emergency Action PlanYes

Identifiers

NID IDMA02940
Federal IDMA02940
More InfoState Dam Safety Program

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