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Churchill River below Churchill Falls Tailrace water level

River gauge, Churchill River, Newfoundland and Labrador, Canada

Directions

Right now

Normal for mid-October

Surface elevation

123.77m Up 0.05 m over the last 24 hours

Flow
1,040 m³/s
123 124 125

History

History
123124mOct 13Oct 15Oct 17Oct 19Oct 20123124mOct 13Oct 17Oct 20
123124mSep 20Sep 28Oct 5Oct 13Oct 20123124mSep 21Oct 5Oct 20
Surface elevation Normal range (10–90 %)

What this means

The Churchill River below Churchill Falls Tailrace is at 123.77 m, in the normal range for mid-October.

That puts it 0.41 m below the median of 124.17 m for mid-October, based on 9 years of readings.

It has risen 0.05 m over the past 24 hours. In the last month it has stayed between 122.70 m and 124.12 m.

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

Compared with 9 years of daily readings for this time of year. How to read levels

Key numbers

Median for this date
124.17 m0.41 m below the median for this date
Normal for this date
123.20 m – 124.99 m8 years in 10 fall in this range (9 years of records)
Lowest and highest in 30 days
122.70 m – 124.12 m
Lowest and highest in 12 months
122.91 m – 123.78 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 Churchill River

Churchill River (Atlantic)

The Churchill River, formerly known by other names, is a river in Newfoundland and Labrador, Canada. It flows east from the Smallwood Reservoir into the Atlantic Ocean via Lake Melville. The river is 856 km (532 mi) long and drains an area of 79,800 km2 (30,800 sq mi), making it the longest river in Atlantic Canada.

Read more on Wikipedia

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

Weather at the gauge

Rain in the last 3 days: 5.6 mm. Rain that falls upstream can take hours or days to show up at a river gauge.

20 Tue 5° 0° 0.6 mm, 80% Wind 17 km/h
21 Wed 7° 0° – Wind 17 km/h
22 Thu 6° 2° 3.9 mm, 78% Wind 16 km/h
23 Fri 3° -1° – Wind 14 km/h
24 Sat 9° -1° – Wind 12 km/h
25 Sun 7° 4° 2.3 mm, 44% Wind 23 km/h
26 Mon 7° 0° 0.1 mm, 27% Wind 29 km/h

Forecast: Open-Meteo

Sunrise 07:52 AM Sunset 06:10 PM Daylight 10 hr, 17 min Waxing gibbous 71%

Map

Other gauges on the Churchill River

Gauge Level Compared with normal 24 hours Distance
Churchill River above Churchill Falls TailraceRiver gauge, Churchill River 138.47 m Normal ±0 11 km
Churchill River below Metchin RiverRiver gauge, Churchill River 112.45 m Very low −0.04 m 53 km

Questions and answers

What is a normal level for the Churchill River below Churchill Falls Tailrace in mid-October?

The median for mid-October is 124.17 m. In 8 years out of 10 the reading falls between 123.20 m and 124.99 m, based on 9 years of records.

Is Churchill River below Churchill Falls Tailrace really 123.77 m deep?

No. 123.77 m is the height of the water surface above sea level (or the agency's vertical datum), not the depth of the water.

What is the water level of Churchill River below Churchill Falls Tailrace today?

On Oct 20, 2026, 03:00 PM ADT, the surface elevation was 123.77 m. Up 0.05 m over the last 24 hours.

Is Churchill River below Churchill Falls Tailrace rising or falling?

Up 0.05 m over the last 24 hours. Up 0.33 m over the last 7 days.

Is the level of Churchill River below Churchill Falls Tailrace normal?

Normal for mid-October. Compared with 9 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:03OD010 (Agency page)
Coordinates
53.50411, -63.94542 (WGS84)
Vertical datum
GEODETIC SURVEY OF CANADA DATUM
Update interval
every hour
Licence
Open Government Licence – Canada. Contains information licensed under the Open Government Licence – Canada

Published series

ParameterLast valueTime (UTC)Quality
Surface elevation 123.77 m 2026-10-20 18:00 Provisional
Flow 1,040 m³/s 2026-10-20 18:00 Provisional

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Add a live card for this gauge to your website. It updates on its own and links back here.

How to cite

Environment and Climate Change Canada – Water Survey of Canada: Churchill River below Churchill Falls Tailrace (eccc:03OD010). Accessed October 20, 2026 via Nivelmap, https://nivelmap.com/en/canada/newfoundland-and-labrador/churchill-river-below-churchill-falls-tailrace

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.