Arrow Reservoir at Nakusp
Water level and flow at gauge 08NE104, British Columbia. The level is normal for October. In the last 24 hours it has been rising.
Latest reading Oct 25, 6 AM local standard time (about an hour ago) · data checked · we check every 30 minutes
Compared with a normal October
Normal for October (middle half of 57 years of monthly averages): 431.87 m1,416.91 ft – 437.93 m1,436.79 ft, median 435.27 m1,428.05 ft.
September 6, 1976 · approved records 1970–2025 (HYDAT). Right now the level is 4.94 m16.22 ft below that record.
8.12 m26.65 ft higher than on October 25, 2025 (427.96 m1,404.07 ft)
approved daily mean (HYDAT)
Last 30 days
Hourly readings · shaded: normal range for this month
This year compared with past years
Daily water level
Normal range: monthly averages of 56 years (lighter band: 10th–90th percentile). Past years: approved daily means from HYDAT, the Water Survey of Canada archive (the latest year published is 2025). 2026: daily means of the provisional real-time readings collected by Canada River Levels since October 22, 2026.
Weather near this gauge
Rain ending early this morning then mainly cloudy. Snow level 1100 metres. Wind becoming east 20 km/h near noon. High 8. UV index 1 or low.
Mainly cloudy. Wind east 20 km/h becoming light near midnight. Low plus 4.
A mix of sun and cloud. Becoming cloudy in the afternoon with 30 percent chance of showers late in the afternoon. High 9. UV index 2 or low.
Cloudy with 60 percent chance of showers. Low plus 5.
Forecast for Nakusp (0 km away) from Environment and Climate Change Canada, issued . Full official forecast ↗ · we check for new forecasts every 2 hours.
Nearby gauges
| Kuskanax CreekNakusp · 7 km | 0.35 m1.13 ft | Below normal |
| Whatshan RiverBelow Barnes Creek · 44 km | 3.29 m10.81 ft | Normal |
| Arrow ReservoirFauquier · 45 km | 436.14 m1,430.90 ft | Normal |
| Inonoaklin CreekAbove Valley Creek · 47 km | 1.34 m4.40 ft | Very low |
| Sugar Lake ReservoirThe Outlet · 54 km | 7.54 m24.75 ft | Very low |
| Shuswap RiverOutlet of Sugar Lake Reservoir · 54 km | 1.88 m6.17 ft | Normal |
About this gauge
Station: 08NE104 · Arrow Reservoir at Nakusp
Location: 50.2374, -117.7979 · British Columbia
Same river: Fauquier
Water levels are measured from a local reference point at each gauge, not from sea level, so they cannot be compared between gauges.
Official sources
For flood warnings, advisories and approved data, always use these official services:
Questions
What is the water level of the Arrow Reservoir at Nakusp today?
The latest reading (Oct 25, 6 AM, local standard time) is 436.08 m (1,430.72 ft).
Is the Arrow Reservoir at Nakusp high right now?
The level is normal for October.
Is the Arrow Reservoir rising or falling?
In the last 24 hours it has been rising.
What is the highest water level ever recorded on the Arrow Reservoir at Nakusp?
441.03 m (1,446.94 ft) on September 6, 1976, the highest instantaneous level in the approved records of the Water Survey of Canada (1970–2025). Events after 2025 are not yet in the approved archive.
How does the Arrow Reservoir at Nakusp compare with a year ago?
The level is 8.12 m (26.65 ft) higher than on October 25, 2025 (427.96 m (1,404.07 ft), approved daily mean (HYDAT)).
Where does this data come from?
Gauge 08NE104 of the Water Survey of Canada (Environment and Climate Change Canada). Real-time data are provisional and may be revised. We check for new readings every 30 minutes. Canada River Levels is not an official source.