Nipigon River below Alexander Generating Station water level

Name: Nipigon River below Alexander Generating Station 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, Nipigon River, Ontario, Canada

Directions

Normal for mid-October

Water level

26.61m Down 0.03 m over the last 24 hours

Measured Oct 18, 2026, 02:20 AM EDT (1 hour ago)

Flow: 317 m³/s

History

7 days 30 days 1 year Years compared

20252026

Water level Normal range (10–90 %)

What this means

The Nipigon River below Alexander Generating Station is at 26.61 m, in the normal range for mid-October.

That puts it 0.07 m below the median of 26.68 m for mid-October, based on 20 years of readings. A year ago it stood at 26.40 m (+0.21 m).

It has dropped 0.03 m over the past 24 hours. In the last month it has stayed between 26.14 m and 26.65 m.

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

Compared with 20 years of daily readings for this time of year. How to read levels

Key numbers

Median for this date: 26.68 m0.07 m below the median for this date
Normal for this date: 26.27 m – 27.56 m8 years in 10 fall in this range (20 years of records)
Same day last year: 26.40 m+0.21 m
Lowest and highest in 30 days: 26.14 m – 26.65 m
Lowest and highest in 12 months: 26.32 m – 26.63 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.

Weather at the gauge

Rain in the last 3 days: 6.9 mm. Rain that falls upstream can take hours or days to show up at a river gauge.

17 Sat 15° 0° – Wind 11 km/h

18 Sun 17° 4° – Wind 11 km/h

19 Mon 12° 2° – Wind 10 km/h

20 Tue 12° 4° – Wind 18 km/h

21 Wed 18° 6° – Wind 16 km/h

22 Thu 14° 5° – Wind 9 km/h

23 Fri 15° 6° 0.3 mm Wind 18 km/h

Forecast: Open-Meteo

Sunrise 08:19 AM Sunset 06:59 PM Daylight 10 hr, 40 min First quarter 47%

Map

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
Black Sturgeon River at Highway No. 17River gauge, Black Sturgeon River	3.84 m³/s	Very low	+0.17 m³/s	24 km
Wolf River at Highway No. 17River gauge, Wolf River	189.89 m	Low	±0	36 km
Gravel River near CaversRiver gauge, Gravel River	3.35 m	Normal	+0.02 m	53 km
Blackwater River at BeardmoreRiver gauge, Blackwater River	300.77 m	Very low	±0	60 km
Current River at StepstoneRiver gauge, Current River	1.92 m	Normal	+0.01 m	90 km

Questions and answers

How does the Nipigon River below Alexander Generating Station compare with last year?

It is 0.21 m higher than on the same day last year, when the reading was 26.40 m.

What is a normal level for the Nipigon River below Alexander Generating Station in mid-October?

The median for mid-October is 26.68 m. In 8 years out of 10 the reading falls between 26.27 m and 27.56 m, based on 20 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 26.61 m on the gauge does not mean the water is that deep.

What is the water level of Nipigon River below Alexander Generating Station today?

On Oct 18, 2026, 02:20 AM EDT, the water level was 26.61 m. Down 0.03 m over the last 24 hours.

Is Nipigon River below Alexander Generating Station rising or falling?

Down 0.03 m over the last 24 hours. Up 0.03 m over the last 7 days.

Is the level of Nipigon River below Alexander Generating Station normal?

Normal for mid-October. Compared with 20 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:02AD012 (Agency page)
Coordinates: 49.12270, -88.35787 (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	26.61 m	2026-10-18 06:20	Provisional
Flow	317 m³/s	2026-10-18 06:20	Provisional

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How to cite

Environment and Climate Change Canada – Water Survey of Canada: Nipigon River below Alexander Generating Station (eccc:02AD012). Accessed October 18, 2026 via Nivelmap, https://nivelmap.com/en/canada/ontario/nipigon-river-below-alexander-generating-station

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