Heaters Pond Dam

Heaters Pond Dam is an earth dam located in Sussex County, New Jersey, built in 1910. It carries a High hazard potential classification and has a satisfactory condition assessment.

About Heaters Pond Dam

The primary purpose of Heaters Pond Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Ogdensburg Borough (local government). It impounds the Sawmill Brook near South Ogdensburg.

The dam stands 8 feet tall and stretches 324 feet across, creates a reservoir covering 38 acres, has a storage capacity of 55 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1910, the structure is over a century 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 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 04/18/2025.

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 HazardSatisfactory ConditionEmergency Action Plan: Yes

Location

StateNew Jersey
CountySussex
Nearest CitySouth Ogdensburg
River/StreamSawmill Brook
Coordinates41.07285, -74.58597

Physical Characteristics

Dam TypeEarth
NID Height8 ft
Dam Height8 ft
Dam Length324 ft
Year Completed1910 (116 years old)

Storage & Hydraulics

NID Storage55 acre-ft
Normal Storage55 acre-ft
Surface Area38 acres
Drainage Area1 sq mi
Max Discharge97 cfs

Ownership & Safety

PurposeRecreation
OwnerOgdensburg Borough
Owner TypeLocal Government
Hazard ClassificationHigh
Condition AssessmentSatisfactory
Last Inspection04/18/2025
Emergency Action PlanYes

Identifiers

NID IDNJ00795
Federal IDNJ00795
More InfoState Dam Safety Program

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