Cliffwood Lake Dike

Pequannock River-TR· Sussex, New Jersey· Earth· 20 ft tall
Low Hazard Recreation State Government

Key Takeaway

Cliffwood Lake Dike is classified as low hazard in New Jersey. Its primary use is recreation.

Physical Details

Dam Height 20 ft (taller than 72.4% in NJ)
Dam Length100 ft
Dam TypeEarth
Normal Storage336 acre-ft
Surface Area25 acres
Drainage Area0 sq mi
NID IDNJ00968

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: June 9, 2004
State Regulated: Yes
Regulatory Agency: NJDEP

Ownership

Division of Parks and Forestry

State Government

Nearby Dams

Cliffwood Lake Dam

Sussex, NJ

Low Hazard 20 ft

Canistear Reservoir Dike

Sussex, NJ

Low Hazard 14 ft

Canistear Reservoir #1 Dam

Sussex, NJ

High Hazard 70 ft

Canistear Reservoir #2 Dam

Sussex, NJ

High Hazard 44 ft

Diversion Dam

Sussex, NJ

High Hazard 8 ft

Upper Crest Lake Dam

Passaic, NJ

Significant Hazard

Lower Crest Lake Dam

Passaic, NJ

Significant Hazard

Clinton Reservoir Dam

Passaic, NJ

High Hazard 56 ft

Frequently Asked Questions

What is the hazard classification of Cliffwood Lake Dike?

Cliffwood Lake Dike 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 Cliffwood Lake Dike?

Cliffwood Lake Dike is owned by Division of Parks and Forestry (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

What is the primary purpose of Cliffwood Lake Dike?

Cliffwood Lake Dike 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 Cliffwood Lake Dike?

Cliffwood Lake Dike has a dam height of 20 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 Cliffwood Lake Dike last inspected?

Cliffwood Lake Dike was last inspected on June 9, 2004. 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.