Thessalon River at Poplar Dale
Water level and flow at gauge 02CA007, Ontario. The flow is below normal for October (25% of the median). In the last 24 hours it has been steady.
Latest reading Oct 25, 10 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 19 years of monthly averages): 2.28 m³/s80.5 cfs – 8.23 m³/s291 cfs, median 4.17 m³/s147 cfs. Right now it is at 25% of the median.
November 18, 2013 · approved records 2007–2025 (HYDAT). Right now the flow is 1% of that record.
78% lower than on October 25, 2025 (4.74 m³/s167 cfs)
approved daily mean (HYDAT)
Last 30 days
Hourly readings · shaded: normal range for this month
This year compared with past years
Daily flow
Normal range: monthly averages of 19 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
Cloudy. 30 percent chance of showers near noon. A few showers beginning near noon and ending this afternoon. Wind northwest 30 km/h. High 13. UV index 2 or low.
A few clouds. Increasing cloudiness after midnight. Wind becoming northwest 30 km/h gusting to 50 this evening. Low plus 4.
Clearing in the morning. Wind north 20 km/h becoming light in the morning. Wind becoming northwest 30 in the afternoon. High 8. UV index 3 or moderate.
Clear. Low minus 4.
Forecast for Sault Ste. Marie (47 km away) from Environment and Climate Change Canada, issued . Full official forecast ↗ · we check for new forecasts every 2 hours.
Nearby gauges
| St. Marys RiverGarden River · 32 km | 24.02 m78.80 ft | Normal |
| Little White RiverBellingham · 36 km | 2.79 m9.14 ft | Very low |
| Goulais RiverSearchmont · 42 km | 7.29 m23.93 ft | Very low |
| Root RiverSault Ste. Marie · 44 km | 11.55 m37.91 ft | Very low |
| Goulais RiverKirby'S Corner · 49 km | 2.89 m9.47 ft | Very low |
| Aubinadong RiverAbove Sesabic Creek · 54 km | 1.67 m5.49 ft | Very low |
About this gauge
Station: 02CA007 · Thessalon River Near Poplar Dale
Location: 46.5305, -83.7096 · Ontario
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 Thessalon River at Poplar Dale today?
The latest reading (Oct 25, 10 AM, local standard time) is 1.82 m (5.98 ft) with a flow of 1.06 m³/s (37.4 cfs).
Is the Thessalon River at Poplar Dale high right now?
The flow is below normal for October (25% of the median).
Is the Thessalon River rising or falling?
In the last 24 hours it has been steady.
What is the highest flow ever recorded on the Thessalon River at Poplar Dale?
94.5 m³/s (3,337 cfs) on November 18, 2013, the highest instantaneous flow in the approved records of the Water Survey of Canada (2007–2025). Events after 2025 are not yet in the approved archive.
How does the Thessalon River at Poplar Dale compare with a year ago?
The flow is 78% lower than on October 25, 2025 (4.74 m³/s (167 cfs), approved daily mean (HYDAT)).
Where does this data come from?
Gauge 02CA007 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.