Hoarfrost River at The Mouth
Water level and flow at gauge 07SC004, Northwest Territories. The level is normal for October. 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
Compared with a normal October
Normal for October (middle half of 14 years of monthly averages): 7.77 m25.50 ft – 8.01 m26.27 ft, median 7.84 m25.73 ft.
July 15, 2021 · approved records 2011–2024 (HYDAT). Right now the level is 1.03 m3.40 ft below that record.
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 14 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
| Lockhart RiverOutlet of Artillery Lake · 39 km | 1.86 m6.10 ft | Normal |
| Barnston RiverThe Mouth · 48 km | 7.47 m24.50 ft | Normal |
| Great Slave LakeOutlet of Barnston River · 48 km | 97.14 m318.71 ft | No normal yet |
| Waldron RiverThe Mouth · 66 km | 2.09 m6.87 ft | Normal |
| Nonacho LakeLutselk'E · 129 km | 6.36 m20.87 ft | Normal |
| Hanbury RiverAbove Hoare Lake · 219 km | 4.66 m15.30 ft | Normal |
About this gauge
Station: 07SC004 · Hoarfrost River Near the Mouth
Location: 62.8810, -109.2372 · Northwest Territories
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 Hoarfrost River at The Mouth today?
The latest reading (Oct 25, 7 AM, local standard time) is 7.84 m (25.73 ft).
Is the Hoarfrost River at The Mouth high right now?
The level is normal for October.
Is the Hoarfrost River rising or falling?
In the last 24 hours it has been steady.
What is the highest water level ever recorded on the Hoarfrost River at The Mouth?
8.88 m (29.13 ft) on July 15, 2021, the highest instantaneous level in the approved records of the Water Survey of Canada (2011–2024). Events after 2024 are not yet in the approved archive.
Where does this data come from?
Gauge 07SC004 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.