Bloods Pond Dam

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

About Bloods Pond Dam

The primary purpose of Bloods Pond 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 Hopkinton (local government). It impounds the Cold Spring Brook (tributary To Sudbury River) near Hopkinton.

The dam stands 12 feet tall and stretches 360 feet across, creates a reservoir covering 6 acres, has a maximum storage capacity of 104 acre-feet, and collects water from a drainage area of 3 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 12/22/2022.

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Significant HazardFair ConditionEmergency Action Plan: Yes

Location

StateMassachusetts
CountyMiddlesex
Nearest CityHopkinton
River/StreamCold Spring Brook (tributary To Sudbury River)
Coordinates42.21437, -71.48540

Physical Characteristics

Dam TypeEarth
NID Height12 ft
Dam Length360 ft

Storage & Hydraulics

NID Storage104 acre-ft
Max Storage104 acre-ft
Normal Storage42 acre-ft
Surface Area6 acres
Drainage Area3 sq mi
Max Discharge305 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeRecreation
OwnerTown of Hopkinton
Owner TypeLocal Government
Hazard ClassificationSignificant
Condition AssessmentFair
Last Inspection12/22/2022
Emergency Action PlanYes

Identifiers

NID IDMA02725
Federal IDMA02725
More InfoState Dam Safety Program

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