Columbia River at International Boundary water level
River gauge, Columbia River, Washington, United States
Right now
Normal for mid-October
Water level
- Flow
- 64,300 cfs
History
20252026
What this means
Water levels are unremarkable at Columbia River at International Boundary, where the gauge shows 98.30 ft.
The median for mid-October is 99.13 ft, based on 26 years of readings, so the river stage is 0.83 ft below typical. On the same day last year the reading was 99.78 ft, a difference of −1.48 ft.
It is on the way up, by 0.80 ft over the past 24 hours. The 30-day range is 93.64 ft – 100.30 ft.
Fall is often low-water season on rivers, until steadier rain returns.
Compared with 26 years of daily readings for this time of year. How to read levels
Key numbers
- Median for this date
- 99.13 ft0.83 ft below the median for this date
- Normal for this date
- 97.31 ft – 100.86 ft8 years in 10 fall in this range (26 years of records)
- Same day last year
- 99.78 ft−1.48 ft
- Lowest and highest in 30 days
- 93.64 ft – 100.30 ft
- Lowest and highest in 12 months
- 93.39 ft – 112.29 ft
Paddling and fishing conditions
Most paddlers and anglers will find the river in good shape at this stage.
Weather at the gauge
The forecast is not available right now.
Map
Nearby gauges
| Gauge | Level | Compared with normal | 24 hours | Distance |
|---|---|---|---|---|
| Pend Oreille River at International BoundaryRiver gauge, Pend Oreille River | 14,200 cfs | Very low | ±0 | 13 mi |
| Boundary Powerplant Tw near Metaline FallsRiver gauge, Boundary Powerplant Tw | 1,725.65 ft | Normal | ±0 | 13 mi |
| Columbia River at BirchbankRiver gauge, Columbia River | 2.94 m | Normal | −0.17 m | 21 km |
| Big Sheep Creek near RosslandRiver gauge, Big Sheep Creek | 0.40 m | Normal | ±0 | 23 km |
| Salmo River near SalmoRiver gauge, Salmo River | 0.49 m | Low | ±0 | 25 km |
| Pend Oreille River below Box Canyon near IoneRiver gauge, Pend Oreille River | 89.70 ft | Normal | +0.83 ft | 18 mi |
| Pend Oreille River at IoneRiver gauge, Pend Oreille River | 2,031.64 ft | Normal | −0.10 ft | 20 mi |
| Hidden Creek near the MouthRiver gauge, Hidden Creek | 0.23 m | Low | ±0 | 39 km |
Questions and answers
Is the Columbia River at International Boundary higher than last year?
No, it is 1.48 ft lower than on the same day last year, when the reading was 99.78 ft.
What is a normal level for the Columbia River at International Boundary in mid-October?
The median for mid-October is 99.13 ft. In 8 years out of 10 the reading falls between 97.31 ft and 100.86 ft, based on 26 years of records.
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 Columbia River at International Boundary today?
On Oct 18, 2026, 11:00 AM PDT, the water level was 98.30 ft. Up 0.80 ft over the last 24 hours.
Is Columbia River at International Boundary rising or falling?
Up 0.80 ft over the last 24 hours. Up 3.81 ft over the last 7 days.
Is the level of Columbia River at International Boundary normal?
Normal for mid-October. Compared with 26 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.
For specialists
Station codes, datum, parameters, data quality and downloads
- Operator
- U.S. Geological Survey
- Station code
usgs:12399500(Agency page)- Coordinates
49.00075, -117.62942(WGS84)- Vertical datum
- NAVD88
- 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 | 98.30 ft | 2026-10-18 18:00 | Provisional |
| Flow | 64,300 cfs | 2026-10-18 18:00 | Provisional |
Download
Embed this gauge
Add a live card for this gauge to your website. It updates on its own and links back here.
How to cite
U.S. Geological Survey: Columbia River at International Boundary (usgs:12399500). Accessed October 18, 2026 via Nivelmap, https://nivelmap.com/en/united-states/washington/columbia-river-at-international-boundary
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