Great Slave Lake outlet of Barnston River
Water level and flow at gauge 07SC007, Northwest Territories. In the last 24 hours it has been steady.
Latest reading Oct 25, 7 AM local standard time (about an hour ago) · data checked · we check every 30 minutes
Last 30 days
Hourly readings
This year compared with past years
Daily water level
Normal range: monthly averages of past 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.
Nearby gauges
| Barnston RiverThe Mouth · 0 km | 7.47 m24.50 ft | Normal |
| Waldron RiverThe Mouth · 20 km | 2.09 m6.87 ft | Normal |
| Hoarfrost RiverThe Mouth · 48 km | 7.84 m25.73 ft | Normal |
| Lockhart RiverOutlet of Artillery Lake · 87 km | 1.86 m6.10 ft | Normal |
| Nonacho LakeLutselk'E · 137 km | 6.36 m20.87 ft | Normal |
| Cameron RiverBelow Reid Lake · 178 km | 1.84 m6.04 ft | Below normal |
About this gauge
Station: 07SC007 · Great Slave Lake at Outlet of Barnston River
Location: 62.9406, -110.1794 · Northwest Territories
Same lake: Hay River, Yellowknife Bay
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 Great Slave Lake outlet of Barnston River today?
The latest reading (Oct 25, 7 AM, local standard time) is 97.14 m (318.71 ft).
Is the Great Slave Lake outlet of Barnston River high right now?
There is not enough historical data at this gauge to say what is normal.
Is the Great Slave Lake rising or falling?
In the last 24 hours it has been steady.
Where does this data come from?
Gauge 07SC007 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.