Severn River near Mill Island water level

Name: Severn River near Mill Island water level (Environment and Climate Change Canada – Water Survey of Canada)
Creator: Environment and Climate Change Canada – Water Survey of Canada
License: https://open.canada.ca/en/open-government-licence-canada

River gauge, Severn River, Ontario, Canada

Directions

Normal for mid-October

Water level

6.89m Steady over the last 24 hours

Measured Oct 19, 2026, 07:45 AM EDT (1 hour ago)

History

7 days 30 days 1 year Years compared

20252026

Water level Normal range (10–90 %)

What this means

The Severn River near Mill Island is at 6.89 m, in the normal range for mid-October.

That puts it 0.03 m below the median of 6.91 m for mid-October, based on 6 years of readings. A year ago it stood at 6.54 m (+0.35 m).

The level has held steady over the past 24 hours. In the last month it has stayed between 6.88 m and 6.99 m.

Fall is often low-water season on rivers, until steadier rain returns.

Compared with 6 years of daily readings for this time of year. How to read levels

Key numbers

Median for this date: 6.91 m0.03 m below the median for this date
Normal for this date: 6.54 m – 6.99 m8 years in 10 fall in this range (6 years of records)
Same day last year: 6.54 m+0.35 m
Lowest and highest in 30 days: 6.88 m – 6.99 m
Lowest and highest in 12 months: 6.45 m – 7.00 m

On the river

Outside the spring freshet, most rivers settle into a gentler pattern, broken by storms.

Flood advisories come from the provincial river forecast centre.

About the Severn River

The Severn River is a river in northern Ontario. The northern Ontario river has its headwaters near the western border of the province. From the head of the Black Birch River, the Severn River is 982 km (610 mi) long, tying it with the Albany River for the title of longest river entirely in Ontario. Its drainage basin area is 102,800 km2 (39,700 sq mi), a small portion of which is in Manitoba. Its source is Deer Lake and flows northeasterly into Severn Lake, then by a second section to Hudson Bay where it ends at Fort Severn.

Weather at the gauge

Rain in the last 3 days: 16 mm. Rain that falls upstream can take hours or days to show up at a river gauge.

19 Mon 17° 4° – Wind 14 km/h

20 Tue 13° 2° – Wind 11 km/h

21 Wed 15° 2° – Wind 9 km/h

22 Thu 17° 5° – Wind 13 km/h

23 Fri 14° 2° – Wind 13 km/h

24 Sat 14° 1° – Wind 13 km/h

25 Sun 17° 6° – Wind 24 km/h

Forecast: Open-Meteo

Sunrise 07:38 AM Sunset 06:28 PM Daylight 10 hr, 49 min First quarter 59%

Map

Other gauges on the Severn River

Gauge	Level	Compared with normal	24 hours	Distance
Severn River above Wasdell FallsRiver gauge, Severn River	7.13 m	Normal	±0	3.8 km

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
Black River near WashagoRiver gauge, Black River	7.39 m	Normal	±0	5.8 km
Silver Creek at OrilliaRiver gauge, Silver Creek	7.05 m	Very low	±0	15 km
North River at the FallsRiver gauge, North River	0.79 m	Normal	−0.02 m	20 km
Head River near SebrightRiver gauge, Head River	8.96 m	Normal	−0.01 m	21 km
Coldwater River at ColdwaterRiver gauge, Coldwater River	1.20 m	Low	±0	25 km
Hawkestone Creek at HawkestoneRiver gauge, Hawkestone Creek	2.17 m	Normal	−0.02 m	30 km
Black River near VankoughnetRiver gauge, Black River	8.82 m	Normal	−0.01 m	35 km
Hogg Creek near Victoria HarbourRiver gauge, Hogg Creek	0.50 m	Normal	−0.02 m	35 km

Questions and answers

How does the Severn River near Mill Island compare with last year?

It is 0.35 m higher than on the same day last year, when the reading was 6.54 m.

What is a normal level for the Severn River near Mill Island in mid-October?

The median for mid-October is 6.91 m. In 8 years out of 10 the reading falls between 6.54 m and 6.99 m, based on 6 years of records.

Is the river level the same as the depth of the water?

No. The reading is measured from a fixed zero mark at the gauge, so 6.89 m on the gauge does not mean the water is that deep.

What is the water level of Severn River near Mill Island today?

On Oct 19, 2026, 07:45 AM EDT, the water level was 6.89 m. Steady over the last 24 hours.

Is Severn River near Mill Island rising or falling?

Steady over the last 24 hours. Steady over the last 7 days.

Is the level of Severn River near Mill Island normal?

Normal for mid-October. Compared with 6 years of daily readings for this time of year.

How often is this data updated?

Environment and Climate Change Canada – Water Survey of Canada publishes a new reading every hour. This page refreshes within minutes of each update.

For specialists

Station codes, datum, parameters, data quality and downloads

Operator: Environment and Climate Change Canada – Water Survey of Canada
Station code: eccc:02EC023 (Agency page)
Coordinates: 44.75200, -79.33181 (WGS84)
Vertical datum: station datum (assumed datum)
Update interval: every hour
Licence: Open Government Licence – Canada. Contains information licensed under the Open Government Licence – Canada

Published series

Parameter	Last value	Time (UTC)	Quality
Water level	6.89 m	2026-10-19 11:45	Provisional

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How to cite

Environment and Climate Change Canada – Water Survey of Canada: Severn River near Mill Island (eccc:02EC023). Accessed October 19, 2026 via Nivelmap, https://nivelmap.com/en/canada/ontario/severn-river-near-mill-island

How we check values

Each reading is stored as published. We hold back values that jump faster than physically plausible and show the measurement time with every value.

Readings are provisional, can be delayed or wrong and are not a flood warning. Read the disclaimer