Andrews Lake Dam

PRATT BRANCH· Kent, Delaware· Gravity· 18 ft tall
Significant Hazard Fish And Wildlife Pond Recreation State Government

Key Takeaway

Andrews Lake Dam is classified as significant hazard in Delaware. Its primary use is fish and wildlife pond. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 18 ft (taller than 82.9% in DE)
Dam Length600 ft
Dam TypeGravity
Max Storage407 acre-ft
Normal Storage89 acre-ft
Surface Area20 acres
Drainage Area6 sq mi
Max Discharge2,202 cfs
NID IDDE00037

Safety Information

Significant Hazard

No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.

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

Emergency Action Plan: Yes
Last Inspection: June 2, 2021
State Regulated: Yes
Regulatory Agency: DNREC

Ownership

DELDOT;DNREC DFW

State Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Andrews Lake Dam?

Andrews Lake Dam is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Andrews Lake Dam?

Andrews Lake Dam is owned by DELDOT;DNREC DFW (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

What is the primary purpose of Andrews Lake Dam?

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

How tall is Andrews Lake Dam?

Andrews Lake Dam has a dam height of 18 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 Andrews Lake Dam last inspected?

Andrews Lake Dam was last inspected on June 2, 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.