Echo Lake Dam

Haystack Brook-TR· Monmouth, New Jersey· Earth· 8 ft tall
High Hazard Local Government

Key Takeaway

Echo Lake Dam is classified as high hazard in New Jersey. High hazard means loss of life is likely if the dam fails — it does not indicate the dam's current condition. Learn more.

Physical Details

Dam Height 8 ft (taller than 5.1% in NJ)
Dam Length350 ft
Dam TypeEarth
Max Storage50 acre-ft
Normal Storage12 acre-ft
Surface Area5 acres
Drainage Area1 sq mi
Max Discharge200 cfs
NID IDNJ01008

Safety Information

High Hazard

Loss of human life is likely if the dam fails.

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

Emergency Action Plan: Yes
Last Inspection: December 9, 2021
State Regulated: Yes
Regulatory Agency: NJDEP

Ownership

Township of Howell

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Echo Lake Dam?

Echo Lake Dam is classified as High Hazard. Loss of human life is likely if the dam fails. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Echo Lake Dam?

Echo Lake Dam is owned by Township of Howell (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

How tall is Echo Lake Dam?

Echo Lake Dam has a dam height of 8 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 Echo Lake Dam last inspected?

Echo Lake Dam was last inspected on December 9, 2021. 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.