Maui Reservoir 84

FED BY IRRIGATION DITCH· Maui, Hawaii· Built 1918· Earth· 29 ft tall
High Hazard Irrigation Private

Key Takeaway

Maui Reservoir 84 is classified as high hazard in Hawaii. It was completed in 1918 and is 108 years old. Its primary use is irrigation. 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 29 ft (taller than 34.6% in HI)
Dam Length960 ft
Dam TypeEarth
Max Storage120 acre-ft
Normal Storage108 acre-ft
Surface Area8 acres
Drainage Area1 sq mi
Year Completed1918 (108 years old)
NID IDHI00088

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: October 21, 2021
State Regulated: Yes
Regulatory Agency: DLNR

Ownership

MP Central A, LLC, a Delaware limited liability company

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Maui Reservoir 84?

Maui Reservoir 84 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 Maui Reservoir 84?

Maui Reservoir 84 is owned by MP Central A, LLC, a Delaware limited liability company (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Maui Reservoir 84 built?

Maui Reservoir 84 was completed in 1918, making it 108 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 Maui Reservoir 84?

Maui Reservoir 84 serves the following purposes: Irrigation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Maui Reservoir 84?

Maui Reservoir 84 has a dam height of 29 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 Maui Reservoir 84 last inspected?

Maui Reservoir 84 was last inspected on October 21, 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.