Stony Brook Water Shed #7 (hunt Lake) Dam

Stony Brook Water Shed #7 (hunt Lake) Dam is an earth dam located in Mercer County, New Jersey, built in 1959. It carries a High hazard potential classification and has a poor condition assessment.

About Stony Brook Water Shed #7 (hunt Lake) Dam

The primary purpose of Stony Brook Water Shed #7 (hunt Lake) Dam is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Mercer County Soil Conservation District (local government). It impounds the Stony Brook-tr.

The dam stands 28 feet tall and stretches 650 feet across, creates a reservoir covering 6 acres, has a storage capacity of 33 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1959, the structure is well into its service life at over 50 years old.

This dam carries a high hazard potential classification, which means that a failure or uncontrolled release of water would likely cause loss of human life. This classification reflects the consequences of failure, not the likelihood — it indicates that people live or work in the area downstream. Its condition is rated poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. An emergency action plan is in place for this dam. The most recent inspection on record was 08/10/2023.

Living Downstream

If you live or work downstream of this dam, consider taking these steps: learn your local evacuation routes, check whether your county emergency management office has a dam failure inundation map, and sign up for local emergency alerts. The New Jersey dam safety program can provide more specific information about emergency planning for this structure.

Search for dams near your address to see all dams in your area with hazard classifications and safety data.

High HazardPoor ConditionEmergency Action Plan: Yes

Location

StateNew Jersey
CountyMercer
River/StreamStony Brook-tr
Coordinates40.37995, -74.81077

Physical Characteristics

Dam TypeEarth
NID Height28 ft
Dam Height28 ft
Dam Length650 ft
Year Completed1959 (67 years old)

Storage & Hydraulics

NID Storage33 acre-ft
Normal Storage33 acre-ft
Surface Area6 acres
Drainage Area0 sq mi
Max Discharge1,731 cfs

Ownership & Safety

PurposeIrrigation
OwnerMercer County Soil Conservation District
Owner TypeLocal Government
Hazard ClassificationHigh
Condition AssessmentPoor
Last Inspection08/10/2023
Emergency Action PlanYes

Identifiers

NID IDNJ00344
Federal IDNJ00344
More InfoState Dam Safety Program

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