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SwedenSouth Nation River at Spencerville water level
River gauge, South Nation River, Ontario, Canada
Right now
Very high for mid-October
Water level
- Flow
- 3.73 m³/s
History
20252026
What this means
The gauge at South Nation River at Spencerville shows 11.13 m, well above normal for mid-October.
The median for mid-October is 10.93 m, based on 20 years of readings, so the water level is 0.20 m above typical. On the same day last year the reading was 10.76 m, a difference of +0.37 m.
The level is falling, down 0.02 m over the past 24 hours. Over the past 30 days it has moved between 10.89 m and 11.16 m.
That stands out in fall, when many rivers are usually near their lowest.
Compared with 20 years of daily readings for this time of year. How to read levels
Key numbers
- Median for this date
- 10.93 m0.20 m above the median for this date
- Normal for this date
- 10.80 m – 11.10 m8 years in 10 fall in this range (20 years of records)
- Same day last year
- 10.76 m+0.37 m
- Lowest and highest in 30 days
- 10.89 m – 11.16 m
- Lowest and highest in 12 months
- 10.77 m – 11.15 m
High water at South Nation River at Spencerville
Official flood alerts and warnings come from the provincial river forecast centre. They cover areas, not single gauges, so a warning can be in force before this reading looks dramatic.
Keep children and dogs well back from the edge, and stay off flooded footpaths and towpaths.
About the South Nation River
The South Nation River is a river in Eastern Ontario, Canada. It springs from forests and marshes located north of Brockville, and it flows 175 kilometres (109 mi) northeast to empty into the Ottawa River north of Plantagenet. Its watershed covers 3,900 square kilometres (1,500 sq mi).
Text and image from Wikipedia and Wikimedia Commons, licensed under CC BY-SA.
Weather at the gauge
Rain in the last 3 days: 14 mm. Rain that falls upstream can take hours or days to show up at a river gauge.
Forecast: Open-Meteo
Map
Other gauges on the South Nation River
| Gauge | Level | Compared with normal | 24 hours | Distance |
|---|---|---|---|---|
| South Nation River at ChestervilleRiver gauge, South Nation River | 6.30 m | High | −0.01 m | 38 km |
| South Nation River near Plantagenet SpringsRiver gauge, South Nation River | 1.41 m | Very high | −0.41 m | 87 km |
Nearby gauges
| Gauge | Level | Compared with normal | 24 hours | Distance |
|---|---|---|---|---|
| North Branch South Nation River near HeckstonRiver gauge, North Branch South Nation River | 1.13 m | Very high | −0.09 m | 17 km |
| Kemptville Creek near KemptvilleRiver gauge, Kemptville Creek | 6.12 m | Very high | −0.02 m | 19 km |
| South Branch South Nation River near Winchester SpringsRiver gauge, South Branch South Nation River | 7.59 m | Very high | −0.16 m | 22 km |
| Rideau River below MerrickvilleRiver gauge, Rideau River | 4.61 m | Very high | −0.02 m | 25 km |
| Oswegatchie River near HeuveltonRiver gauge, Oswegatchie River | 2.88 ft | Below flood stage | −0.04 ft | 19 mi |
| Buells Creek at BrockvilleRiver gauge, Buells Creek | 0.85 m | Normal | −0.02 m | 31 km |
| Grass River at Chase MillsRiver gauge, Grass River | 973 cfs | Normal | −247.0 cfs | 23 mi |
| Lyn Creek near LynRiver gauge, Lyn Creek | 7.96 m | High | −0.04 m | 41 km |
Questions and answers
Is the South Nation River at Spencerville higher than last year?
Yes, it is 0.37 m higher than on the same day last year, when the reading was 10.76 m.
What is a normal level for the South Nation River at Spencerville in mid-October?
The median for mid-October is 10.93 m. In 8 years out of 10 the reading falls between 10.80 m and 11.10 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 11.13 m on the gauge does not mean the water is that deep.
What is the water level of South Nation River at Spencerville today?
On Oct 19, 2026, 12:50 PM EDT, the water level was 11.13 m. Down 0.02 m over the last 24 hours.
Is South Nation River at Spencerville rising or falling?
Down 0.02 m over the last 24 hours. Up 0.20 m over the last 7 days.
Is the level of South Nation River at Spencerville normal?
Very high 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.
For specialists
Station codes, datum, parameters, data quality and downloads
- Operator
- Environment and Climate Change Canada – Water Survey of Canada
- Station code
eccc:02LB007(Agency page)- Coordinates
44.84225, -75.54442(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 | 11.13 m | 2026-10-19 16:50 | Provisional |
| Flow | 3.73 m³/s | 2026-10-19 16:50 | Provisional |
Download
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How to cite
Environment and Climate Change Canada – Water Survey of Canada: South Nation River at Spencerville (eccc:02LB007). Accessed October 19, 2026 via Nivelmap, https://nivelmap.com/en/canada/ontario/south-nation-river-at-spencerville
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