Serpent River at Highway No. 17
Water level and flow at gauge 02CD001, Ontario. The flow is below normal for October (13% of the median). In the last 24 hours it has been steady.
Latest reading Oct 25, 2 PM 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 59 years of monthly averages): 3.24 m³/s114 cfs – 18.8 m³/s664 cfs, median 10.8 m³/s381 cfs. Right now it is at 13% of the median.
April 9, 1988 · approved records 1967–2024 (HYDAT). Right now the flow is 1% of that record.
Last 30 days
Hourly readings · shaded: normal range for this month
This year compared with past years
Daily flow
Normal range: monthly averages of 58 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
Mainly cloudy with 60 percent chance of showers. Wind southwest 20 km/h becoming light this afternoon. High 15. UV index 2 or low.
Mainly cloudy with 40 percent chance of showers this evening. Clearing near midnight. Low plus 3.
Clearing in the morning. Wind north 20 km/h becoming light late in the morning. High 9. UV index 3 or moderate.
Clear. Low minus 6.
Forecast for Elliot Lake (22 km away) from Environment and Climate Change Canada, issued . Full official forecast ↗ · we check for new forecasts every 2 hours.
Nearby gauges
| Aux Sables RiverMassey · 34 km | 3.68 m12.08 ft | Very low |
| Serpent RiverAbove Quirke Lake · 34 km | 5.96 m19.57 ft | Very low |
| Mississagi RiverMississagi Chute · 39 km | 9.72 m31.88 ft | Very low |
| Little White RiverBelow Boland River · 54 km | 1.67 m5.49 ft | Very low |
| Mindemoya LakeMindemoya · 57 km | 6.38 m20.93 ft | Normal |
| Frood LakeWhitefish Falls · 61 km | 1.70 m5.57 ft | Very low |
About this gauge
Station: 02CD001 · Serpent River at Highway No. 17
Location: 46.2108, -82.5124 · Ontario
Same river: Above Quirke Lake
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 Serpent River at Highway No. 17 today?
The latest reading (Oct 25, 2 PM, local standard time) is 7.53 m (24.70 ft) with a flow of 1.36 m³/s (48.0 cfs).
Is the Serpent River at Highway No. 17 high right now?
The flow is below normal for October (13% of the median).
Is the Serpent River rising or falling?
In the last 24 hours it has been steady.
What is the highest flow ever recorded on the Serpent River at Highway No. 17?
156 m³/s (5,509 cfs) on April 9, 1988, the highest instantaneous flow in the approved records of the Water Survey of Canada (1967–2024). Events after 2024 are not yet in the approved archive.
Where does this data come from?
Gauge 02CD001 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.