Contwoyto Lake at Lupin Mine
Water level and flow at gauge 10QC003, Nunavut. The level is normal for October. In the last 24 hours it has been steady.
Latest reading Oct 25, 6 AM local standard time (about an hour ago) · data checked · we check every 30 minutes
Compared with a normal October
Normal for October (middle half of 31 years of monthly averages): 443.27 m1,454.29 ft – 443.39 m1,454.68 ft, median 443.33 m1,454.48 ft.
July 5, 2017 · approved records 1992–2022 (HYDAT). Right now the level is 0.73 m2.39 ft below that record.
Last 30 days
Hourly readings · shaded: normal range for this month
This year compared with past years
Daily water level
Normal range: monthly averages of 29 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
| Yamba RiverBelow Daring Lake · 110 km | 3.93 m12.88 ft | Normal |
| Coppermine RiverBelow Desteffany Lake · 134 km | 6.25 m20.51 ft | Normal |
| Point LakeThe Outlet · 134 km | 7.65 m25.09 ft | Below normal |
| Coppermine RiverOutlet of Point Lake · 134 km | — | Below normal |
| Fairy Lake RiverOutlet of Napaktulik Lake · 136 km | 7.80 m25.58 ft | Very low |
| Burnside RiverThe Mouth · 151 km | 4.23 m13.88 ft | Very high |
About this gauge
Station: 10QC003 · Contwoyto Lake at Lupin Mine
Location: 65.7788, -111.2180 · Nunavut
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 Contwoyto Lake at Lupin Mine today?
The latest reading (Oct 25, 6 AM, local standard time) is 443.27 m (1,454.30 ft).
Is the Contwoyto Lake at Lupin Mine high right now?
The level is normal for October.
Is the Contwoyto Lake rising or falling?
In the last 24 hours it has been steady.
What is the highest water level ever recorded on the Contwoyto Lake at Lupin Mine?
444.00 m (1,456.69 ft) on July 5, 2017, the highest instantaneous level in the approved records of the Water Survey of Canada (1992–2022). Events after 2022 are not yet in the approved archive.
Where does this data come from?
Gauge 10QC003 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.