Tomahawk Lake Dam

Lubbers Run· Sussex, New Jersey· Earth· 14 ft tall
Low Hazard Recreation Private

Key Takeaway

Tomahawk Lake Dam is classified as low hazard in New Jersey. Its primary use is recreation.

Physical Details

Dam Height 14 ft (taller than 46.2% in NJ)
Dam Length335 ft
Dam TypeEarth
Normal Storage70 acre-ft
Surface Area11 acres
Drainage Area3 sq mi
NID IDNJ00010

Safety Information

Low Hazard

No probable loss of human life and low economic/environmental losses expected.

Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?

Emergency Action Plan: No
Last Inspection: September 11, 2000
State Regulated: Yes
Regulatory Agency: NJDEP

Ownership

Tomahawk Lake, Inc.

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Tomahawk Lake Dam?

Tomahawk Lake Dam is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Tomahawk Lake Dam?

Tomahawk Lake Dam is owned by Tomahawk Lake, Inc. (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

What is the primary purpose of Tomahawk Lake Dam?

Tomahawk Lake Dam serves the following purposes: Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Tomahawk Lake Dam?

Tomahawk Lake Dam has a dam height of 14 ft. Dam height is measured from the natural streambed at the downstream toe to the top of the dam, and may differ from the visible height.

When was Tomahawk Lake Dam last inspected?

Tomahawk Lake Dam was last inspected on September 11, 2000. Inspection dates indicate when a formal review occurred, not the results of that inspection.

Data from the National Inventory of Dams (NID) maintained by the US Army Corps of Engineers. Dam conditions may have changed since the last update. This site is not affiliated with USACE. Do not use for emergency planning — contact your local dam safety program.