Northern White Sands Dam

ILLINOIS R - OFFSTREAM· LaSalle, Illinois· Rockfill· 28 ft tall
High Hazard Other Private

Key Takeaway

Northern White Sands Dam is classified as high hazard in Illinois. Its primary use is other. 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 28 ft (taller than 54.6% in IL)
Dam Length800 ft
Dam TypeRockfill
Normal Storage0 acre-ft
NID IDIL50735

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: April 20, 2020
State Regulated: Yes
Regulatory Agency: IDNR

Ownership

NORTHERN WHILE SANDS LLC

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Northern White Sands Dam?

Northern White Sands 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 Northern White Sands Dam?

Northern White Sands Dam is owned by NORTHERN WHILE SANDS LLC (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

What is the primary purpose of Northern White Sands Dam?

Northern White Sands Dam serves the following purposes: Other. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Northern White Sands Dam?

Northern White Sands Dam has a dam height of 28 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 Northern White Sands Dam last inspected?

Northern White Sands Dam was last inspected on April 20, 2020. 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.