Tahltan River at The Mouth
Water level and flow at gauge 08CE005, British Columbia. In the last 24 hours it has been falling.
Latest reading Oct 25, 5 AM local standard time (2 hours ago) · data checked · we check every 30 minutes
May 20, 2023 · approved records 2023–2024 (HYDAT). Right now the flow is 7% of that record.
Last 30 days
Hourly readings
This year compared with past years
Daily flow
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
| Tuya RiverTelegraph Creek · 11 km | 0.76 m2.50 ft | Below normal |
| Stikine RiverTelegraph Creek · 17 km | 1.53 m5.01 ft | Below normal |
| Cottonwood RiverAbove Bass Creek · 140 km | 0.71 m2.32 ft | Very low |
| Swift RiverSwift River · 218 km | 0.62 m2.03 ft | Below normal |
| Surprise CreekThe Mouth · 230 km | 0.97 m3.19 ft | Below normal |
| Morley RiverKm 1251 Alaska Highway · 232 km | 3.78 m12.40 ft | Below normal |
About this gauge
Station: 08CE005 · Tahltan River at the Mouth
Location: 58.0133, -130.9776 · British Columbia
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 Tahltan River at The Mouth today?
The latest reading (Oct 25, 5 AM, local standard time) is 3.83 m (12.58 ft) with a flow of 10.6 m³/s (374 cfs).
Is the Tahltan River at The Mouth high right now?
There is not enough historical data at this gauge to say what is normal.
Is the Tahltan River rising or falling?
In the last 24 hours it has been falling.
What is the highest flow ever recorded on the Tahltan River at The Mouth?
153 m³/s (5,403 cfs) on May 20, 2023, the highest instantaneous flow in the approved records of the Water Survey of Canada (2023–2024). Events after 2024 are not yet in the approved archive.
Where does this data come from?
Gauge 08CE005 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.