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Kemoo 5 Reservoir, Oahu water level

Reservoir, Hawaii, United States

Directions

Right now

Normal for mid-October

Water level

14.61ft Steady over the last 24 hours

13 15 18

History

History
141618ftOct 13Oct 14Oct 16Oct 18Oct 19141618ftOct 13Oct 16Oct 19
141618ftSep 20Sep 27Oct 4Oct 12Oct 19141618ftSep 20Oct 4Oct 19
141618ftOct 2025Jan 2026Apr 2026Jul 2026Oct 2026141618ftOct 2025Apr 2026Oct 2026
141618ftOct 2020Apr 2022Oct 2023Apr 2025Oct 2026141618ftOct 2020Oct 2023Oct 2026
141618ftJanMarMayJulSepNov2026141618ftJanAprJulOct2026

202120222023202420252026

Water level Normal range (10–90 %)

What this means

Kemoo 5 Reservoir, Oahu is at 14.61 ft, in the normal range for mid-October.

That puts it 1.73 ft below the median of 16.34 ft for mid-October, based on 7 years of readings. A year ago it stood at 12.58 ft (+2.03 ft).

The level has held steady over the past 24 hours. In the last month it has stayed between 13.84 ft and 14.78 ft.

Many reservoirs are drawn down through summer and fall; most of the refill comes later, with winter rain or spring snowmelt.

Compared with 7 years of daily readings for this time of year. How to read levels

Key numbers

Median for this date
16.34 ft1.73 ft below the median for this date
Normal for this date
12.58 ft – 18.20 ft8 years in 10 fall in this range (7 years of records)
Same day last year
12.58 ft+2.03 ft
Lowest and highest in 30 days
13.84 ft – 14.78 ft
Lowest and highest in 12 months
12.56 ft – 18.37 ft

On the water at Kemoo 5 Reservoir, Oahu

Normal levels mean few surprises on the water: ramps in use and the shoreline where you expect it.

Wear a life jacket on the water. Most boating deaths involve people who were not wearing one.

Weather at the gauge

Rain in the last 3 days: 0.15 in.

18 Sun 83° 71° 0.09 in, 100% Wind 14 mph
19 Mon 83° 71° 0.08 in, 93% Wind 14 mph
20 Tue 83° 70° 0.06 in, 83% Wind 13 mph
21 Wed 83° 70° 0.03 in, 47% Wind 11 mph
22 Thu 83° 69° 0.06 in, 62% Wind 7 mph
23 Fri 86° 68° – Wind 6 mph
24 Sat 84° 69° 0.02 in, 67% Wind 6 mph

Forecast: Open-Meteo

Sunrise 06:30 AM Sunset 06:06 PM Daylight 11 hr, 35 min First quarter 61%

Map

Nearby gauges

Gauge Level Compared with normal 24 hours Distance
Kaukonahua Str at Waialua, OahuRiver gauge, Kaukonahua Str 16.70 ft Below flood stage −0.05 ft 1.3 mi
Helemano 6 Reservoir, OahuReservoir 22.84 ft Normal +0.03 ft 2.5 mi
Wahiawa Ditch at Wahiawa, OahuCanal gauge, Wahiawa Ditch 8.7 cfs Normal +0.3 cfs 5.1 mi
Kaukonahua Stream below Wahiawa Reservoir, OahuRiver gauge, Kaukonahua Stream 32.4 cfs Normal +0.6 cfs 5.1 mi
Upper Helemano Reservoir near Wahiawa, OahuReservoir, Upper Helemano Reservoir 42.98 ft Very high +0.19 ft 5.3 mi
Wahiawa Reservoir at Spillway at Wahiawa, OahuReservoir, Wahiawa Reservoir 54.47 ft Very low +0.92 ft 5.4 mi
Makaha Str near Makaha, OahuRiver gauge, Makaha Str 1.28 ft Below flood stage −0.01 ft 6.2 mi
Kamananui Str at Maunawai, OahuRiver gauge, Kamananui Str 2.32 ft Below flood stage +0.02 ft 6 mi

Questions and answers

How does Kemoo 5 Reservoir, Oahu compare with last year?

It is 2.03 ft higher than on the same day last year, when the reading was 12.58 ft.

What is a normal level for Kemoo 5 Reservoir, Oahu in mid-October?

The median for mid-October is 16.34 ft. In 8 years out of 10 the reading falls between 12.58 ft and 18.20 ft, based on 7 years of records.

What is the water level of Kemoo 5 Reservoir, Oahu today?

On Oct 19, 2026, 07:00 AM HST, the water level was 14.61 ft. Steady over the last 24 hours.

Is Kemoo 5 Reservoir, Oahu rising or falling?

Steady over the last 24 hours. Steady over the last 7 days.

Is the level of Kemoo 5 Reservoir, Oahu normal?

Normal for mid-October. Compared with 7 years of daily readings for this time of year.

How often is this data updated?

The U.S. Geological Survey publishes a new reading every 15 minutes. This page refreshes within minutes of each update.

Where does this data come from?

The values come directly from the U.S. Geological Survey, the official operator of this gauge, and are in the public domain. We do not estimate or model live values.

For specialists

Station codes, datum, parameters, data quality and downloads
Operator
U.S. Geological Survey
Station code
usgs:213320158061401 (Agency page)
Coordinates
21.55547, -158.10392 (WGS84)
Vertical datum
LMSL
Update interval
every 15 minutes
Licence
Public domain. Data: U.S. Geological Survey (USGS), provisional data subject to revision

Published series

ParameterLast valueTime (UTC)Quality
Water level 14.61 ft 2026-10-19 17:00 Provisional

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How to cite

U.S. Geological Survey: Kemoo 5 Reservoir, Oahu (usgs:213320158061401). Accessed October 19, 2026 via Nivelmap, https://nivelmap.com/en/united-states/hawaii/kemoo-5-reservoir-oahu

How we check values

Each reading is stored as published. We hold back values that jump faster than physically plausible and show the measurement time with every value.