South Nation River at Spencerville
Water level and flow at gauge 02LB007, Ontario. The flow is normal for October (337% of the median). In the last 24 hours it has been falling.
Latest reading Oct 25, 12 PM local standard time (2 hours ago) · data checked · we check every 30 minutes
Compared with a normal October
Normal for October (middle half of 74 years of monthly averages): 0.07 m³/s2.51 cfs – 1.43 m³/s50.6 cfs, median 0.42 m³/s15.0 cfs. Right now it is at 337% of the median.
April 6, 1950 · approved records 1948–2025 (HYDAT). Right now the flow is 1% of that record.
Last 30 days
Hourly readings · shaded: normal range for this month
This year compared with past years
Daily flow
Normal range: monthly averages of 74 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.
Weather near this gauge
Sunny. Wind southwest 20 km/h. High 16. UV index 3 or moderate.
Increasing cloudiness this evening. Low 8.
Mainly cloudy. 60 percent chance of showers in the morning and early in the afternoon. Wind becoming northwest 20 km/h late in the morning. High 13. UV index 3 or moderate.
Clear. Low minus 3.
Forecast for Kemptville (21 km away) from Environment and Climate Change Canada, issued . Full official forecast ↗ · we check for new forecasts every 2 hours.
Nearby gauges
| North Branch South Nation RiverHeckston · 17 km | 0.80 m2.62 ft | Above normal |
| Kemptville CreekKemptville · 19 km | 5.96 m19.54 ft | Above normal |
| South Branch South Nation RiverWinchester Springs · 22 km | 7.25 m23.79 ft | Above normal |
| Rideau RiverBelow Merrickville · 25 km | 4.62 m15.16 ft | Above normal |
| Buells CreekBrockville · 31 km | 0.80 m2.61 ft | Normal |
| South Nation RiverChesterville · 38 km | 5.61 m18.42 ft | No normal yet |
About this gauge
Station: 02LB007 · South Nation River at Spencerville
Location: 44.8423, -75.5444 · Ontario
Same river: Plantagenet Springs, Chesterville
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 South Nation River at Spencerville today?
The latest reading (Oct 25, 12 PM, local standard time) is 11.02 m (36.16 ft) with a flow of 1.43 m³/s (50.5 cfs).
Is the South Nation River at Spencerville high right now?
The flow is normal for October (337% of the median).
Is the South Nation River rising or falling?
In the last 24 hours it has been falling.
What is the highest flow ever recorded on the South Nation River at Spencerville?
125 m³/s (4,414 cfs) on April 6, 1950, the highest instantaneous flow in the approved records of the Water Survey of Canada (1948–2025). Events after 2025 are not yet in the approved archive.
Where does this data come from?
Gauge 02LB007 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.