Elgin Mill Trmt. Lagoon #1

WASTE WATER· Union, Oregon· Built 1976· Earth· 14 ft tall
Low Hazard Other Irrigation Private

Key Takeaway

Elgin Mill Trmt. Lagoon #1 is classified as low hazard in Oregon. It was completed in 1976 and is 50 years old. Its primary use is other.

Physical Details

Dam Height 14 ft (taller than 12.5% in OR)
Dam Length3,300 ft
Dam TypeEarth
Max Storage131 acre-ft
Normal Storage131 acre-ft
Surface Area15 acres
Drainage Area0 sq mi
Max Discharge0 cfs
Year Completed1976 (50 years old)
NID IDOR00652

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: September 5, 2018
State Regulated: Yes
Regulatory Agency: OWRD

Ownership

BOISE CASCADE WOOD PRODUCTS

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Elgin Mill Trmt. Lagoon #1?

Elgin Mill Trmt. Lagoon #1 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 Elgin Mill Trmt. Lagoon #1?

Elgin Mill Trmt. Lagoon #1 is owned by BOISE CASCADE WOOD PRODUCTS (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Elgin Mill Trmt. Lagoon #1 built?

Elgin Mill Trmt. Lagoon #1 was completed in 1976, making it 50 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 Elgin Mill Trmt. Lagoon #1?

Elgin Mill Trmt. Lagoon #1 serves the following purposes: Other, Irrigation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Elgin Mill Trmt. Lagoon #1?

Elgin Mill Trmt. Lagoon #1 has a dam height of 14 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 Elgin Mill Trmt. Lagoon #1 last inspected?

Elgin Mill Trmt. Lagoon #1 was last inspected on September 5, 2018. 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.