Kemoo 5 Reservoir, Oahu water level
Reservoir, Hawaii, United States
Right now
Normal for mid-October
Water level
History
202120222023202420252026
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.
Forecast: Open-Meteo
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
| Parameter | Last value | Time (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.
Readings are provisional, can be delayed or wrong and are not a flood warning. Read the disclaimer