Severn River at Mill Island
Water level and flow at gauge 02EC023, Ontario. The level is below normal for October. In the last 24 hours it has been steady.
Latest reading Oct 25, 7 AM local standard time (2 hours ago) · data checked · we check every 30 minutes
Compared with a normal October
Normal for October (middle half of 5 years of monthly averages): 6.90 m22.65 ft – 6.93 m22.72 ft, median 6.92 m22.72 ft.
April 10, 2025 · approved records 2022–2025 (HYDAT). Right now the level is 0.79 m2.59 ft below that record.
0.38 m1.25 ft higher than on October 25, 2025 (6.50 m21.34 ft)
approved daily mean (HYDAT)
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 5 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
Sunny. Becoming a mix of sun and cloud this afternoon. Fog patches dissipating this morning. High 17. UV index 3 or moderate.
Mainly cloudy. 30 percent chance of showers overnight. Low 8.
Cloudy. 30 percent chance of showers in the morning. Wind northwest 20 km/h becoming light late in the morning. Wind becoming northwest 30 in the afternoon. High 13. UV index 2 or low.
Cloudy periods. Low minus 5.
Forecast for Orillia (17 km away) from Environment and Climate Change Canada, issued . Full official forecast ↗ · we check for new forecasts every 2 hours.
Nearby gauges
| Severn RiverAbove Wasdell Falls · 4 km | 7.14 m23.42 ft | Above normal |
| Black RiverWashago · 6 km | 7.32 m24.01 ft | Normal |
| Silver CreekOrillia · 15 km | 7.05 m23.11 ft | Very low |
| North RiverThe Falls · 20 km | 0.78 m2.54 ft | Below normal |
| Head RiverSebright · 21 km | 8.94 m29.33 ft | Normal |
| Coldwater RiverColdwater · 25 km | 1.18 m3.85 ft | Below normal |
About this gauge
Station: 02EC023 · Severn River Near Mill Island
Location: 44.7520, -79.3318 · Ontario
Same river: Above Wasdell Falls, Outlet of Muskrat Dam Lake, Outlet of Deer 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 Severn River at Mill Island today?
The latest reading (Oct 25, 7 AM, local standard time) is 6.89 m (22.59 ft).
Is the Severn River at Mill Island high right now?
The level is below normal for October.
Is the Severn River rising or falling?
In the last 24 hours it has been steady.
What is the highest water level ever recorded on the Severn River at Mill Island?
7.68 m (25.18 ft) on April 10, 2025, the highest instantaneous level in the approved records of the Water Survey of Canada (2022–2025). Events after 2025 are not yet in the approved archive.
How does the Severn River at Mill Island compare with a year ago?
The level is 0.38 m (1.25 ft) higher than on October 25, 2025 (6.50 m (21.34 ft), approved daily mean (HYDAT)).
Where does this data come from?
Gauge 02EC023 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.