North Thames River below Fanshawe Dam water level

Name: North Thames River below Fanshawe Dam 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, North Thames River, Ontario, Canada

Directions

Low for mid-October

Water level

6.22m Steady over the last 24 hours

Measured Oct 19, 2026, 11:40 AM EDT (1 hour ago)

Flow: 3.15 m³/s

History

7 days 30 days

Water level Normal range (10–90 %)

What this means

The North Thames River below Fanshawe Dam is running below normal at 6.22 m.

That puts it 0.09 m below the median of 6.31 m for mid-October, based on 20 years of readings.

The level has held steady over the past 24 hours. Without real rain upstream, that is unlikely to change quickly. In the last month it has stayed between 6.17 m and 6.33 m.

Fall is often low-water season on rivers, and it usually takes a few days of steady rain to change that.

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

Key numbers

Median for this date: 6.31 m0.09 m below the median for this date
Normal for this date: 6.19 m – 6.64 m8 years in 10 fall in this range (20 years of records)
Lowest and highest in 30 days: 6.17 m – 6.33 m
Lowest and highest in 12 months: 6.18 m – 6.31 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 North Thames River

Text and image from Wikipedia and Wikimedia Commons, licensed under CC BY-SA.

Weather at the gauge

No rain in the last 3 days.

19 Mon 18° 3° – Wind 13 km/h

20 Tue 16° 3° – Wind 16 km/h

21 Wed 17° 3° – Wind 12 km/h

22 Thu 19° 6° – Wind 13 km/h

23 Fri 17° 7° – Wind 22 km/h

24 Sat 18° 6° – Wind 15 km/h

25 Sun 18° 9° – Wind 26 km/h

Forecast: Open-Meteo

Sunrise 07:44 AM Sunset 06:37 PM Daylight 10 hr, 54 min First quarter 60%

Map

Other gauges on the North Thames River

Gauge	Level	Compared with normal	24 hours	Distance
North Thames River near ThorndaleRiver gauge, North Thames River	1.53 m	Normal	−0.01 m	12 km
North Thames River at St. MarysRiver gauge, North Thames River	2.93 m	Low	−0.01 m	24 km
North Thames River near MitchellRiver gauge, North Thames River	3.61 m	Normal	−0.01 m	46 km

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
Stoney Creek at LondonRiver gauge, Stoney Creek	7.05 m	Normal	−0.01 m	6.1 km
Thames River near EalingRiver gauge, Thames River	0.44 m	Normal	−0.01 m	7.8 km
Medway River at LondonRiver gauge, Medway River	3.58 m	Normal	−0.02 m	8.5 km
Thames River at ByronRiver gauge, Thames River	1.77 m	Low	−0.02 m	15 km
Middle Thames River at ThamesfordRiver gauge, Middle Thames River	8.84 m	Normal	−0.01 m	15 km
Dingman Creek below LambethRiver gauge, Dingman Creek	4.84 m	Low	−0.01 m	18 km
Reynolds Creek near PutnamRiver gauge, Reynolds Creek	5.81 m	High	+0.07 m	20 km
Fish Creek near Prospect HillRiver gauge, Fish Creek	3.26 m	Normal	−0.01 m	20 km

Questions and answers

What is a normal level for the North Thames River below Fanshawe Dam in mid-October?

The median for mid-October is 6.31 m. In 8 years out of 10 the reading falls between 6.19 m and 6.64 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 6.22 m on the gauge does not mean the water is that deep.

What is the water level of North Thames River below Fanshawe Dam today?

On Oct 19, 2026, 11:40 AM EDT, the water level was 6.22 m. Steady over the last 24 hours.

Is North Thames River below Fanshawe Dam rising or falling?

Steady over the last 24 hours. Down 0.01 m over the last 7 days.

Is the level of North Thames River below Fanshawe Dam normal?

Low 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.

Where does this data come from?

The values come directly from Environment and Climate Change Canada – Water Survey of Canada, the official operator of this gauge, and are published under the Open Government Licence – Canada. We do not estimate or model live values.

For specialists

Station codes, datum, parameters, data quality and downloads

Operator: Environment and Climate Change Canada – Water Survey of Canada
Station code: eccc:02GD003 (Agency page)
Coordinates: 43.04078, -81.18283 (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	6.22 m	2026-10-19 15:40	Provisional
Flow	3.15 m³/s	2026-10-19 15:40	Provisional

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How to cite

Environment and Climate Change Canada – Water Survey of Canada: North Thames River below Fanshawe Dam (eccc:02GD003). Accessed October 19, 2026 via Nivelmap, https://nivelmap.com/en/canada/ontario/north-thames-river-below-fanshawe-dam

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