Root River at The Mouth

Water level and flow at gauge 10GA001, Northwest Territories. The flow is normal for October (123% of the median). In the last 24 hours it has been steady.

Water level
3.14m10.29ft
+0 cm+0.0 in in 24 h
Flow
78.4m³/s2,769cfs
+0% 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 42 years of monthly averages): 50.8 m³/s1,796 cfs – 81.0 m³/s2,861 cfs, median 63.8 m³/s2,253 cfs. Right now it is at 123% of the median.

Highest flow on record
7,400m³/s261,329cfs

July 1, 1988 · approved records 1977–2021 (HYDAT). Right now the flow is 1% of that record.

Last 30 days

Hourly readings · shaded: normal range for this month

60 m³/s80 m³/s100 m³/s2,000 cfs2,500 cfs3,000 cfs3,500 cfs4,000 cfsNormal for October
Sep 26Oct 1Oct 6Oct 11Oct 16Oct 21

This year compared with past years

Daily flow

100 m³/s200 m³/s300 m³/s400 m³/s5,000 cfs10,000 cfs15,000 cfs
JanFebMarAprMayJunJulAugSepOctNovDec
Normal range (25th–75th percentile)Median2026 (provisional)

Normal range: monthly averages of 38 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

Willowlake RiverAbove Metahdali Creek · 33 km3.50 m11.49 ftVery low
Tetcela RiverCanadian Zinc Road · 113 km7.55 m24.77 ftNo normal yet
Martin RiverHighway No. 1 · 115 km1.85 m6.07 ftVery low
Prairie CreekCadillac Mine - Site Two · 125 km1.44 m4.73 ftVery high
Mackenzie RiverFort Simpson · 127 km4.67 m15.32 ftNormal
Grainger RiverCanadian Zinc Road · 128 km8.17 m26.80 ftVery low

About this gauge

Station: 10GA001 · Root River Near the Mouth

Location: 62.4797, -123.4331 · 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 Root River at The Mouth today?

The latest reading (Oct 25, 5 AM, local standard time) is 3.14 m (10.29 ft) with a flow of 78.4 m³/s (2,769 cfs).

Is the Root River at The Mouth high right now?

The flow is normal for October (123% of the median).

Is the Root River rising or falling?

In the last 24 hours it has been steady.

What is the highest flow ever recorded on the Root River at The Mouth?

7,400 m³/s (261,329 cfs) on July 1, 1988, the highest instantaneous flow in the approved records of the Water Survey of Canada (1977–2021). Events after 2021 are not yet in the approved archive.

Where does this data come from?

Gauge 10GA001 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.