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SwedenMililani Storm Drain A at Mililani, Oahu water level
River gauge, Mililani Storm Drain A, Hawaii, United States
Right now
Latest reading
Water level
History
What this means
Mililani Storm Drain A at Mililani, Oahu reads 3.49 ft as of Oct 20, 2026, 01:50 PM HST. There is no published reference for this river yet, so we can't say whether that is high or low for the season.
It has barely moved over the past 24 hours. In the last month it has stayed between 3.28 ft and 3.59 ft.
The agency publishes no normal range for this gauge yet, so we show the trend only. How to read levels
Floating and fishing near Mililani Storm Drain A at Mililani, Oahu
Use the recent trend as your guide, and ask locally which gage height makes for a good float.
Weather at the gauge
The forecast is not available right now.
Map
Nearby gauges
| Gauge | Level | Compared with normal | 24 hours | Distance |
|---|---|---|---|---|
| Waikele Str at Waipahu, OahuRiver gauge, Waikele Str | 2.20 ft | Below flood stage | +0.05 ft | 3.3 mi |
| Honouliuli Str at H-1 Freeway near Waipahu, OahuRiver gauge, Honouliuli Str | 3.3 cfs | Normal | +1.4 cfs | 3.9 mi |
| SF Kaukonahua Str at E pump, near Wahiawa, OahuRiver gauge, SF Kaukonahua Str | 1.92 ft | Below flood stage | −0.18 ft | 4.4 mi |
| Wahiawa Reservoir at Spillway at Wahiawa, OahuReservoir, Wahiawa Reservoir | 55.79 ft | Very low | +0.77 ft | 4.9 mi |
| Kaukonahua Stream below Wahiawa Reservoir, OahuRiver gauge, Kaukonahua Stream | 51.3 cfs | Normal | +18.9 cfs | 5.2 mi |
| Wahiawa Ditch at Wahiawa, OahuCanal gauge, Wahiawa Ditch | 6.6 cfs | Normal | −3.5 cfs | 5.2 mi |
| Ku Tree Reservoir near Wahiawa, OahuReservoir, Ku Tree Reservoir | 17.19 ft | Low | ±0 | 5.3 mi |
| Koolau Reservoir near Wahiawa, OahuReservoir, Koolau Reservoir | 6.70 ft | Very high | +0.23 ft | 5.4 mi |
Questions and answers
Is gage height the same as water depth?
No. Gage height is measured from a fixed reference point chosen by the agency, so a reading of 10 ft does not mean the river is 10 ft deep.
What is the water level of Mililani Storm Drain A at Mililani, Oahu today?
On Oct 20, 2026, 01:50 PM HST, the water level was 3.49 ft. Steady over the last 24 hours.
Is Mililani Storm Drain A at Mililani, Oahu rising or falling?
Steady over the last 24 hours.
Is the level of Mililani Storm Drain A at Mililani, Oahu normal?
The agency publishes no normal range for this gauge yet, so we show the trend only.
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:212604158012700(Agency page)- Coordinates
21.43052, -158.02184(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 | 3.49 ft | 2026-10-20 23:50 | Provisional |
Download
Embed this gauge
Add a live card for this gauge to your website. It updates on its own and links back here.
How to cite
U.S. Geological Survey: Mililani Storm Drain A at Mililani, Oahu (usgs:212604158012700). Accessed October 21, 2026 via Nivelmap, https://nivelmap.com/en/united-states/hawaii/mililani-storm-drain-a-at-mililani-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