Bronx River Dam (north)

Bronx River Dam (north) is a masonry dam located in Bronx County, New York, built in 1900. It carries a Significant hazard potential classification and has a fair condition assessment.

About Bronx River Dam (north)

The primary purpose of Bronx River Dam (north) is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Nyc Dept Of Parks And Recreation (local government). It impounds the Bronx River near Bronx.

The dam stands 18 feet tall and stretches 122 feet across, creates a reservoir covering 12 acres, has a maximum storage capacity of 108 acre-feet, and collects water from a drainage area of 36 square miles. Completed in 1900, the structure is over a century old.

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 12/12/2022.

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Significant HazardFair ConditionEmergency Action Plan: Yes

Location

StateNew York
CountyBronx
Nearest CityBronx
River/StreamBronx River
Coordinates40.84333, -73.87667

Physical Characteristics

Dam TypeMasonry
NID Height18 ft
Dam Height18 ft
Dam Length122 ft
Year Completed1900 (126 years old)

Storage & Hydraulics

NID Storage108 acre-ft
Max Storage108 acre-ft
Normal Storage58 acre-ft
Surface Area12 acres
Drainage Area36 sq mi
Max Discharge1,571 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeRecreation
OwnerNYC DEPT OF PARKS AND RECREATION
Owner TypeLocal Government
Hazard ClassificationSignificant
Condition AssessmentFair
Last Inspection12/12/2022
Emergency Action PlanYes

Identifiers

NID IDNY01500
Federal IDNY01500
More InfoState Dam Safety Program

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