Lockhart River outlet of Artillery Lake

Water level and flow at gauge 07RD001, Northwest Territories. The flow is normal for October (89% of the median). In the last 24 hours it has been steady.

Water level
1.86m6.12ft
−2 cm−0.8 in in 24 h
Flow
128m³/s4,520cfs
-2% in 24 h
Status
Normal
→ steady

Latest reading Oct 25, 5 AM local standard time (2 hours ago) · data checked · we check every 30 minutes

Compared with a normal October

Normal for October (middle half of 65 years of monthly averages): 115 m³/s4,061 cfs – 175 m³/s6,180 cfs, median 144 m³/s5,085 cfs. Right now it is at 89% of the median.

Highest flow on record
346m³/s12,219cfs

September 15, 2021 · approved records 1972–2024 (HYDAT). Right now the flow is 37% of that record.

Last 30 days

Hourly readings · shaded: normal range for this month

120 m³/s140 m³/s160 m³/s180 m³/s4,000 cfs5,000 cfs6,000 cfsNormal for October
Sep 26Oct 1Oct 6Oct 11Oct 16Oct 21

This year compared with past years

Daily flow

50 m³/s100 m³/s150 m³/s200 m³/s2,000 cfs4,000 cfs6,000 cfs
JanFebMarAprMayJunJulAugSepOctNovDec
Normal range (25th–75th percentile)Median20242026 (provisional)

Normal range: monthly averages of 63 years (lighter band: 10th–90th percentile). Past years: approved daily means from HYDAT, the Water Survey of Canada archive (the latest year published is 2025). 2026: daily means of the provisional real-time readings collected by Canada River Levels since October 22, 2026.

Nearby gauges

Hoarfrost RiverThe Mouth · 39 km7.85 m25.74 ftNormal
Barnston RiverThe Mouth · 87 km7.47 m24.50 ftNormal
Great Slave LakeOutlet of Barnston River · 87 km97.14 m318.70 ftNo normal yet
Waldron RiverThe Mouth · 104 km2.09 m6.87 ftNormal
Nonacho LakeLutselk'E · 143 km6.36 m20.88 ftNormal
Hanbury RiverAbove Hoare Lake · 183 km4.67 m15.32 ftNormal

About this gauge

Station: 07RD001 · Lockhart River at Outlet of Artillery Lake

Location: 62.8941, -108.4660 · Northwest Territories

Water levels are measured from a local reference point at each gauge, not from sea level, so they cannot be compared between gauges.

Official sources

For flood warnings, advisories and approved data, always use these official services:

Questions

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

The latest reading (Oct 25, 5 AM, local standard time) is 1.86 m (6.12 ft) with a flow of 128 m³/s (4,520 cfs).

Is the Lockhart River outlet of Artillery Lake high right now?

The flow is normal for October (89% of the median).

Is the Lockhart River rising or falling?

In the last 24 hours it has been steady.

What is the highest flow ever recorded on the Lockhart River outlet of Artillery Lake?

346 m³/s (12,219 cfs) on September 15, 2021, the highest instantaneous flow in the approved records of the Water Survey of Canada (1972–2024). Events after 2024 are not yet in the approved archive.

Where does this data come from?

Gauge 07RD001 of the Water Survey of Canada (Environment and Climate Change Canada). Real-time data are provisional and may be revised. We check for new readings every 30 minutes. Canada River Levels is not an official source.