Kemoo 5 Reservoir, Oahu water level

Name: Kemoo 5 Reservoir, Oahu water level (U.S. Geological Survey)
Creator: U.S. Geological Survey
License: https://www.usgs.gov/information-policies-and-instructions/copyrights-and-credits

Reservoir, Hawaii, United States

Directions

Normal for mid-October

Water level

14.64ft Up 0.04 ft over the last 24 hours

Measured Oct 20, 2026, 02:00 AM HST (1 hour ago)

History

What this means

Kemoo 5 Reservoir, Oahu is at 14.64 ft, in the normal range for mid-October.

That puts it 1.76 ft below the median of 16.40 ft for mid-October, based on 7 years of readings. A year ago it stood at 12.57 ft (+2.07 ft).

It has risen 0.04 ft 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: 16.40 ft1.76 ft below the median for this date
Normal for this date: 12.58 ft – 18.22 ft8 years in 10 fall in this range (7 years of records)
Same day last year: 12.57 ft+2.07 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: 0.28 in.

20 Tue 83° 72° 0.06 in, 75% Wind 14 mph

21 Wed 83° 71° – Wind 12 mph

22 Thu 84° 68° 0.10 in, 56% Wind 6 mph

23 Fri 87° 66° – Wind 8 mph

24 Sat 84° 69° – Wind 10 mph

25 Sun 80° 69° – Wind 8 mph

26 Mon 83° 68° – Wind 8 mph

Forecast: Open-Meteo

Sunrise 06:31 AM Sunset 06:05 PM Daylight 11 hr, 34 min First quarter 68%

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	1.3 mi
Helemano 6 Reservoir, OahuReservoir	22.88 ft	Normal	+0.05 ft	2.5 mi
Wahiawa Ditch at Wahiawa, OahuCanal gauge, Wahiawa Ditch	8.7 cfs	Normal	±0	5.1 mi
Kaukonahua Stream below Wahiawa Reservoir, OahuRiver gauge, Kaukonahua Stream	33.5 cfs	Normal	+1.7 cfs	5.1 mi
Upper Helemano Reservoir near Wahiawa, OahuReservoir, Upper Helemano Reservoir	42.83 ft	Very high	−0.16 ft	5.3 mi
Wahiawa Reservoir at Spillway at Wahiawa, OahuReservoir, Wahiawa Reservoir	55.38 ft	Very low	+0.93 ft	5.4 mi
Makaha Str near Makaha, OahuRiver gauge, Makaha Str	1.27 ft	Below flood stage	−0.01 ft	6.2 mi
Kamananui Str at Maunawai, OahuRiver gauge, Kamananui Str	2.26 ft	Below flood stage	−0.08 ft	6 mi

Questions and answers

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

It is 2.07 ft higher than on the same day last year, when the reading was 12.57 ft.

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

The median for mid-October is 16.40 ft. In 8 years out of 10 the reading falls between 12.58 ft and 18.22 ft, based on 7 years of records.

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

On Oct 20, 2026, 02:00 AM HST, the water level was 14.64 ft. Up 0.04 ft over the last 24 hours.

Is Kemoo 5 Reservoir, Oahu rising or falling?

Up 0.04 ft over the last 24 hours. Up 0.07 ft 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

Parameter	Last value	Time (UTC)	Quality
Water level	14.64 ft	2026-10-20 12:00	Provisional

Download

Embed this gauge

Add a live card for this gauge to your website. It updates on its own and links back here.

<iframe src="https://nivelmap.com/embed/8595?lang=en" width="360" height="230" style="border:0;max-width:100%" loading="lazy" title="Kemoo 5 Reservoir, Oahu water level"></iframe>

How to cite

U.S. Geological Survey: Kemoo 5 Reservoir, Oahu (usgs:213320158061401). Accessed October 20, 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.

Readings are provisional, can be delayed or wrong and are not a flood warning. Read the disclaimer