W9 Water Quality

Okabena Creek· Nobles, Minnesota· Built 2001· Earth· 16 ft tall
Low Hazard Flood Risk Reduction Local Government

Key Takeaway

W9 Water Quality is classified as low hazard in Minnesota. It was completed in 2001 and is 25 years old. Its primary use is flood risk reduction.

Physical Details

Dam Height 16 ft (taller than 53.5% in MN)
Dam Length265 ft
Dam TypeEarth
Max Storage700 acre-ft
Normal Storage92 acre-ft
Surface Area6 acres
Drainage Area4 sq mi
Max Discharge16 cfs
Year Completed2001 (25 years old)
NID IDMN01358

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: November 14, 2018
State Regulated: Yes
Regulatory Agency: MNDNR EWR

Ownership

JPB of Okabena-Ocheda Bella CWP

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of W9 Water Quality?

W9 Water Quality 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 W9 Water Quality?

W9 Water Quality is owned by JPB of Okabena-Ocheda Bella CWP (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was W9 Water Quality built?

W9 Water Quality was completed in 2001, making it 25 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 W9 Water Quality?

W9 Water Quality serves the following purposes: Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is W9 Water Quality?

W9 Water Quality has a dam height of 16 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 W9 Water Quality last inspected?

W9 Water Quality was last inspected on November 14, 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.