Blue Heron Lake Dam

Wallkill River-TR· Sussex, New Jersey· Earth· 7 ft tall
Low Hazard Recreation State Government

Key Takeaway

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

Physical Details

Dam Height 7 ft (taller than 1.9% in NJ)
Dam Length230 ft
Dam TypeEarth
Max Storage70 acre-ft
Normal Storage56 acre-ft
Surface Area15 acres
Drainage Area1 sq mi
NID IDNJ00672

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: May 23, 2007
State Regulated: Yes
Regulatory Agency: NJDEP

Ownership

Division of Fish & Wildlife

State Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Blue Heron Lake Dam?

Blue Heron 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 Blue Heron Lake Dam?

Blue Heron Lake Dam is owned by Division of Fish & Wildlife (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

What is the primary purpose of Blue Heron Lake Dam?

Blue Heron 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 Blue Heron Lake Dam?

Blue Heron Lake Dam has a dam height of 7 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 Blue Heron Lake Dam last inspected?

Blue Heron Lake Dam was last inspected on May 23, 2007. 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.