North Branch South Nation River near Heckston water level

Name: North Branch South Nation River near Heckston water level (Environment and Climate Change Canada – Water Survey of Canada)
Creator: Environment and Climate Change Canada – Water Survey of Canada
License: https://open.canada.ca/en/open-government-licence-canada

River gauge, North Branch South Nation River, Ontario, Canada

Directions

Very high for mid-October

Water level

1.04m Down 0.08 m over the last 24 hours

Measured Oct 20, 2026, 06:30 PM EDT (1 hour ago)

History

7 days 30 days 1 year Years compared

20252026

Water level Normal range (10–90 %)

What this means

The North Branch South Nation River near Heckston is well above normal at 1.04 m.

That puts it 0.35 m above the median of 0.69 m for mid-October, based on 21 years of readings. A year ago it stood at 0.41 m (+0.63 m).

It has dropped 0.08 m over the past 24 hours. In the last month it has stayed between 0.68 m and 1.73 m.

That stands out in fall, when many rivers are usually near their lowest.

Compared with 21 years of daily readings for this time of year. How to read levels

Key numbers

Median for this date: 0.69 m0.35 m above the median for this date
Normal for this date: 0.60 m – 1.01 m8 years in 10 fall in this range (21 years of records)
Same day last year: 0.41 m+0.63 m
Lowest and highest in 30 days: 0.68 m – 1.73 m
Lowest and highest in 12 months: 0.45 m – 1.64 m

Flood levels and safety

A high reading on its own does not mean property is at risk. The warnings issued by the provincial river forecast centre take local defences and the forecast into account.

Readings can change quickly after heavy rain upstream, so check again before heading near the water.

Weather at the gauge

No rain in the last 3 days.

20 Tue 15° 3° – Wind 14 km/h

21 Wed 11° 0° – Wind 10 km/h

22 Thu 13° 3° – Wind 16 km/h

23 Fri 10° 1° – Wind 11 km/h

24 Sat 13° 1° – Wind 11 km/h

25 Sun 16° 4° – Wind 22 km/h

26 Mon 12° 7° 0.3 mm Wind 18 km/h

Forecast: Open-Meteo

Sunrise 07:25 AM Sunset 06:10 PM Daylight 10 hr, 46 min Waxing gibbous 72%

Map

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
Kemptville Creek near KemptvilleRiver gauge, Kemptville Creek	6.11 m	Very high	−0.01 m	12 km
South Branch South Nation River near Winchester SpringsRiver gauge, South Branch South Nation River	7.49 m	Very high	−0.08 m	12 km
South Nation River at SpencervilleRiver gauge, South Nation River	11.10 m	High	−0.03 m	17 km
Rideau River below MerrickvilleRiver gauge, Rideau River	4.61 m	Very high	±0	24 km
South Nation River at ChestervilleRiver gauge, South Nation River	6.36 m	Very high	+0.02 m	26 km
South Castor River at KenmoreRiver gauge, South Castor River	1.46 m	Very high	−0.06 m	27 km
Rideau River below ManotickRiver gauge, Rideau River	4.18 m	Very high	−0.13 m	32 km
Castor River at RussellRiver gauge, Castor River	3.30 m	Very high	−0.05 m	33 km

Questions and answers

How does the North Branch South Nation River near Heckston compare with last year?

It is 0.63 m higher than on the same day last year, when the reading was 0.41 m.

What is a normal level for the North Branch South Nation River near Heckston in mid-October?

The median for mid-October is 0.69 m. In 8 years out of 10 the reading falls between 0.60 m and 1.01 m, based on 21 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 1.04 m on the gauge does not mean the water is that deep.

What is the water level of North Branch South Nation River near Heckston today?

On Oct 20, 2026, 06:30 PM EDT, the water level was 1.04 m. Down 0.08 m over the last 24 hours.

Is North Branch South Nation River near Heckston rising or falling?

Down 0.08 m over the last 24 hours. Down 0.23 m over the last 7 days.

Is the level of North Branch South Nation River near Heckston normal?

Very high for mid-October. Compared with 21 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:02LB017 (Agency page)
Coordinates: 44.99497, -75.51603 (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	1.04 m	2026-10-20 22:30	Provisional

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How to cite

Environment and Climate Change Canada – Water Survey of Canada: North Branch South Nation River near Heckston (eccc:02LB017). Accessed October 20, 2026 via Nivelmap, https://nivelmap.com/en/canada/ontario/north-branch-south-nation-river-near-heckston

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