Ku Tree Reservoir Water Level

Hawaii · updated daily from the U.S. Geological Survey

17.19 ft

Ku Tree Reservoir is low for this time of year and steady (+0.00 ft in the last 7 days).

Change since yesterday: +0.00 ft

Reading as of 2026-08-14 · higher than 0% of August readings on record

Where Ku Tree Reservoir sits historically

TODAY 17.19 ftRECORD LOW17.19 ft2024-03-22RECORD HIGH37.64 ft2026-03-20

Today's level compared with every reading in our 5.0-year record for this lake.

Since yesterday

+0.00 ft

7-day change

+0.00 ft

30-day change

+0.00 ft

1-year change

+0.00 ft

Last 30 days

2026-07-1516.0–18.4 ft2026-08-14

Last 12 months

2025-08-1414.7–40.1 ft2026-08-14

Full history (5.0 years)

2021-08-1616.8–20.4 ft2026-08-13

Ku Tree Reservoir records and averages

Current level17.19 ft
Record high37.64 ft (2026-03-20)
Record low17.19 ft (2024-03-22)
Average of all readings17.23 ft
Data span5.0 years (1,812 readings)

Frequently asked questions

Is Ku Tree Reservoir full right now?

As of 2026-08-14, Ku Tree Reservoir sits at 17.19 ft, which is low for this time of year.Over the past 30 days the level has held steady 0.00 ft.

What is the water level at Ku Tree Reservoir today?

The most recent reading is 17.19 ft (2026-08-14), sourced from the U.S. Geological Survey. Readings on this page refresh automatically as the agency publishes new data.

What is the highest Ku Tree Reservoir has ever been?

The highest level in our records is 37.64 ft on 2026-03-20. The lowest is 17.19 ft on 2024-03-22. Our record covers about 5.0 years of readings.

Is Ku Tree Reservoir low for this time of year?

Compared with every August in our records, the current level is higher than 0% of them — low for this time of year. Seasonal comparison matters more than the raw number, because most reservoirs draw down predictably through late summer and refill over winter and spring.

Why is Ku Tree Reservoir changing right now?

Reservoir levels move for four main reasons: rainfall and runoff into the basin, releases through the dam for downstream water supply, power generation or flood control, evaporation during hot months, and seasonal drawdown schedules set by the operating agency. Ku Tree Reservoir has held steady 0.00 ft over the past 30 days. For the operational reason on any given week, check the U.S. Geological Survey directly.

How much has Ku Tree Reservoir changed over the past year?

The level is +0.00 ft compared with this date last year (17.19 ft today). The full-history chart above covers 5.0 years, with a record high of 37.64 ft and a record low of 17.19 ft.

Nearby lakes in Hawaii

Koolau Reservoir water level
6.07 ft · falling
Upper Helemano Reservoir water level
35.73 ft · falling
Wahiawa Reservoir water level
53.28 ft · rising
Helemano 6 Reservoir water level
22.17 ft · falling
Kemoo 5 Reservoir water level
12.65 ft · falling
Ka Loko Reservoir water level
20.78 ft · steady

Source: the U.S. Geological Survey. Readings are provisional and subject to revision by the publishing agency. All Hawaii lake levels.