Curtis Ponds Dam

Curtis Ponds Dam is an earth dam located in Worcester County, Massachusetts, built in 1837. It carries a Significant hazard potential classification and has a satisfactory condition assessment.

About Curtis Ponds Dam

The primary purpose of Curtis Ponds Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by New England Power Co. D/b/a National Grid (private). It impounds the Blackstone River/kettle Brook near Worcester.

The dam stands 14 feet tall and stretches 420 feet across, creates a reservoir covering 40 acres, has a maximum storage capacity of 512 acre-feet, and collects water from a drainage area of 32 square miles. Completed in 1837, 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 satisfactory, indicating no existing or potential dam safety deficiencies are recognized. An emergency action plan is in place for this dam. The most recent inspection on record was 09/27/2021.

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Significant HazardSatisfactory ConditionEmergency Action Plan: Yes

Location

StateMassachusetts
CountyWorcester
Nearest CityWorcester
River/StreamBlackstone River/kettle Brook
Coordinates42.24376, -71.83383

Physical Characteristics

Dam TypeEarth
NID Height14 ft
Dam Length420 ft
Year Completed1837 (189 years old)

Storage & Hydraulics

NID Storage512 acre-ft
Max Storage512 acre-ft
Normal Storage220 acre-ft
Surface Area40 acres
Drainage Area32 sq mi
Spillway TypeUncontrolled

Ownership & Safety

PurposeRecreation
OwnerNew England Power Co. d/b/a National Grid
Owner TypePrivate
Hazard ClassificationSignificant
Condition AssessmentSatisfactory
Last Inspection09/27/2021
Emergency Action PlanYes

Identifiers

NID IDMA00140
Federal IDMA00140
More InfoState Dam Safety Program

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