Lockhart River at Outlet of Artillery Lake water level

Name: Lockhart River at Outlet of Artillery Lake 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, Lockhart River, Northwest Territories, Canada

Directions

Normal for mid-October

Water level

1.88m Up 0.03 m over the last 24 hours

Measured Oct 20, 2026, 02:25 PM CST (1 hour ago)

Flow: 131 m³/s

History

7 days 30 days

Water level Normal range (10–90 %)

What this means

The Lockhart River at Outlet of Artillery Lake is at 1.88 m, in the normal range for mid-October.

The median for mid-October is 1.82 m, based on 20 years of readings, so the water level is 0.06 m above typical.

It has risen 0.03 m over the past 24 hours. In the last month it has stayed between 1.85 m and 2.16 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: 1.82 m0.06 m above the median for this date
Normal for this date: 1.56 m – 2.54 m8 years in 10 fall in this range (20 years of records)
Lowest and highest in 30 days: 1.85 m – 2.16 m
Lowest and highest in 12 months: 1.86 m – 2.11 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 Lockhart River

The Lockhart River is a river in the Northwest Territories, Canada. The river begins at eastern end of Mackay Lake and flows east through Aylmer Lake into Clinton-Golden Lake, where it turns southward into Artillery Lake and the southeastward into Great Slave Lake. The final stretch between Artillery Lake and Great Slave Lake has many rapids and waterfalls, of which Parry Falls is the most notable.

Weather at the gauge

Rain in the last 3 days: 4.7 mm. Rain that falls upstream can take hours or days to show up at a river gauge.

20 Tue 1° -4° – Wind 13 km/h

21 Wed 5° -1° – Wind 17 km/h

22 Thu 1° -2° – Wind 14 km/h

23 Fri -3° -7° – Wind 12 km/h

24 Sat -4° -8° – Wind 10 km/h

25 Sun -4° -9° – Wind 15 km/h

26 Mon 0° -3° – Wind 14 km/h

Forecast: Open-Meteo

Sunrise 08:15 AM Sunset 05:43 PM Daylight 9 hr, 28 min Waxing gibbous 71%

Map

Other gauges on the Lockhart River

Gauge	Level	Compared with normal	24 hours	Distance
Lockhart River above Outram LakeRiver gauge, Lockhart River	7.73 m	Normal	+0.01 m	142 km

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
Hoarfrost River near the MouthRiver gauge, Hoarfrost River	7.83 m	Normal	±0	39 km

Questions and answers

What is a normal level for the Lockhart River at Outlet of Artillery Lake in mid-October?

The median for mid-October is 1.82 m. In 8 years out of 10 the reading falls between 1.56 m and 2.54 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 1.88 m on the gauge does not mean the water is that deep.

What is the water level of Lockhart River at Outlet of Artillery Lake today?

On Oct 20, 2026, 02:25 PM CST, the water level was 1.88 m. Up 0.03 m over the last 24 hours.

Is Lockhart River at Outlet of Artillery Lake rising or falling?

Up 0.03 m over the last 24 hours. Down 0.02 m over the last 7 days.

Is the level of Lockhart River at Outlet of Artillery Lake 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.

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:07RD001 (Agency page)
Coordinates: 62.89414, -108.46603 (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	1.88 m	2026-10-20 20:25	Provisional
Flow	131 m³/s	2026-10-20 20:25	Provisional

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How to cite

Environment and Climate Change Canada – Water Survey of Canada: Lockhart River at Outlet of Artillery Lake (eccc:07RD001). Accessed October 20, 2026 via Nivelmap, https://nivelmap.com/en/canada/northwest-territories/lockhart-river-at-outlet-of-artillery-lake

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