Ka Loko Reservoir near Kilauea, Kauai water level

Name: Ka Loko Reservoir near Kilauea, Kauai water level (U.S. Geological Survey)
Creator: U.S. Geological Survey
License: https://www.usgs.gov/information-policies-and-instructions/copyrights-and-credits

Reservoir, Ka Loko Reservoir, Hawaii, United States

Directions

Very high for mid-October

Water level

19.75ft Steady over the last 24 hours

Measured Oct 20, 2026, 11:05 AM HST (26 min ago)

History

What this means

At 19.75 ft, Ka Loko Reservoir near Kilauea, Kauai is holding more water than usual for mid-October.

The median for mid-October is 17.71 ft, based on 7 years of readings, so the lake level is 2.04 ft above typical. On the same day last year the reading was 17.06 ft, a difference of +2.69 ft.

It has barely moved over the past 24 hours. The 30-day range is 19.71 ft – 23.50 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: 17.71 ft2.04 ft above the median for this date
Normal for this date: 17.06 ft – 18.77 ft8 years in 10 fall in this range (7 years of records)
Same day last year: 17.06 ft+2.69 ft
Lowest and highest in 30 days: 19.71 ft – 23.50 ft
Lowest and highest in 12 months: 17.05 ft – 23.50 ft

Boating and fishing at Ka Loko Reservoir near Kilauea, Kauai

When a lake runs high, docks and swimming areas may close for a while and floating logs become a real hazard for boats.

Conditions at the shore change with the level, so check with the agency that runs the lake before a trip.

Weather at the gauge

Rain in the last 3 days: 1.04 in.

19 Mon 79° 72° 0.29 in, 92% Wind 13 mph

20 Tue 79° 70° 0.32 in, 80% Wind 13 mph

21 Wed 77° 69° 0.35 in, 94% Wind 9 mph

22 Thu 79° 67° 0.16 in, 72% Wind 6 mph

23 Fri 80° 66° 0.09 in, 62% Wind 6 mph

24 Sat 78° 69° 0.25 in, 56% Wind 8 mph

25 Sun 75° 69° 0.04 in, 61% Wind 7 mph

Forecast: Open-Meteo

Sunrise 06:36 AM Sunset 06:09 PM Daylight 11 hr, 33 min Waxing gibbous 71%

Map

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
Halaulani Str at alt 400 ft near Kilauea, KauaiRiver gauge, Halaulani Str	0.86 ft	Below flood stage	−0.01 ft	2.5 mi
Hanalei River near Hanalei, KauaiRiver gauge, Hanalei River	−0.03 ft	Below flood stage	+0.01 ft	5.6 mi
Hanalei River at Hwy 56 Bridge near Hanalei, KauaiRiver gauge, Hanalei River	6.84 ft	Normal	±0	7 mi
Left Branch Opaekaa Str near Kapaa, KauaiRiver gauge, Left Branch Opaekaa Str	0.99 ft	Below flood stage	±0	7 mi
EB of NF Wailua River near Lihue, KauaiRiver gauge, EB of NF Wailua River	0.21 ft	Below flood stage	−0.03 ft	8 mi
SF Wailua River near Lihue, KauaiRiver gauge, SF Wailua River	10.67 ft	Below flood stage	±0	10 mi
Wainiha River near Hanalei, KauaiRiver gauge, Wainiha River	1.70 ft	Below flood stage	−1.14 ft	12 mi
Waialae Str at alt 3,820 ft near Waimea, KauaiRiver gauge, Waialae Str	1.14 ft	Below flood stage	+0.01 ft	14 mi

Questions and answers

Is Ka Loko Reservoir near Kilauea, Kauai higher than last year?

Yes, it is 2.69 ft higher than on the same day last year, when the reading was 17.06 ft.

What is a normal level for Ka Loko Reservoir near Kilauea, Kauai in mid-October?

The median for mid-October is 17.71 ft. In 8 years out of 10 the reading falls between 17.06 ft and 18.77 ft, based on 7 years of records.

What is the water level of Ka Loko Reservoir near Kilauea, Kauai today?

On Oct 20, 2026, 11:05 AM HST, the water level was 19.75 ft. Steady over the last 24 hours.

Is Ka Loko Reservoir near Kilauea, Kauai rising or falling?

Steady over the last 24 hours. Down 0.12 ft over the last 7 days.

Is the level of Ka Loko Reservoir near Kilauea, Kauai normal?

Very high 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:16094150 (Agency page)
Coordinates: 22.17897, -159.37906 (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	19.75 ft	2026-10-20 21:05	Provisional

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How to cite

U.S. Geological Survey: Ka Loko Reservoir near Kilauea, Kauai (usgs:16094150). Accessed October 20, 2026 via Nivelmap, https://nivelmap.com/en/united-states/hawaii/ka-loko-reservoir-near-kilauea-kauai

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