Nestle Potato Effluent Lagoon

Offstream· Grant, Washington· Built 1994· Earth·
Low Hazard Other Private

Key Takeaway

Nestle Potato Effluent Lagoon is classified as low hazard in Washington. It was completed in 1994 and is 32 years old. Its primary use is other.

Physical Details

Dam Length1,300 ft
Dam TypeEarth
Max Storage765 acre-ft
Normal Storage659 acre-ft
Surface Area659 acres
Drainage Area0 sq mi
Max Discharge7 cfs
Year Completed1994 (32 years old)
NID IDWA00645

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
State Regulated: Yes
Regulatory Agency: Washington Dept of Ecology

Ownership

J R Simplot Co.

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Nestle Potato Effluent Lagoon?

Nestle Potato Effluent Lagoon 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 Nestle Potato Effluent Lagoon?

Nestle Potato Effluent Lagoon is owned by J R Simplot Co. (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Nestle Potato Effluent Lagoon built?

Nestle Potato Effluent Lagoon was completed in 1994, making it 32 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.

What is the primary purpose of Nestle Potato Effluent Lagoon?

Nestle Potato Effluent Lagoon serves the following purposes: Other. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

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.