Tay River near Bolingbroke water level

Name: Tay River near Bolingbroke 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, Tay River, Ontario, Canada

Directions

Very high for mid-October

Water level

8.28m Up 0.04 m over the last 24 hours

Measured Oct 19, 2026, 04:45 PM EDT (1 hour ago)

Flow: 3.30 m³/s

History

7 days 30 days 1 year Years compared

20252026

Water level Normal range (10–90 %)

What this means

The Tay River near Bolingbroke is well above normal at 8.28 m.

The median for mid-October is 8.19 m, based on 6 years of readings, so the water level is 0.09 m above typical. On the same day last year the reading was 8.06 m, a difference of +0.22 m.

It has risen 0.04 m over the past 24 hours. If the rise continues, low-lying paths and riverside parking can go under water. In the last month it has stayed between 8.19 m and 8.46 m.

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

Compared with 6 years of daily readings for this time of year. How to read levels

Key numbers

Median for this date: 8.19 m0.09 m above the median for this date
Normal for this date: 8.06 m – 8.25 m8 years in 10 fall in this range (6 years of records)
Same day last year: 8.06 m+0.22 m
Lowest and highest in 30 days: 8.19 m – 8.46 m
Lowest and highest in 12 months: 7.95 m – 8.45 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.

About the Tay River

The Tay River is a river in Lanark County in Eastern Ontario, Canada. It is in the Saint Lawrence River drainage basin and is a left tributary of the Rideau River.

Weather at the gauge

Rain in the last 3 days: 17 mm. Rain that falls upstream can take hours or days to show up at a river gauge.

19 Mon 16° 5° – Wind 15 km/h

20 Tue 12° 5° – Wind 14 km/h

21 Wed 14° 1° – Wind 9 km/h

22 Thu 16° 4° – Wind 13 km/h

23 Fri 11° 1° – Wind 12 km/h

24 Sat 14° 0° – Wind 8 km/h

25 Sun 16° 4° – Wind 18 km/h

Forecast: Open-Meteo

Sunrise 07:27 AM Sunset 06:16 PM Daylight 10 hr, 49 min First quarter 62%

Map

Other gauges on the Tay River

Gauge	Level	Compared with normal	24 hours	Distance
Tay River in PerthRiver gauge, Tay River	7.27 m	Low	−0.01 m	24 km

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
Sharbot Lake at Outlet of Sharbot LakeLake, Sharbot Lake	1.09 m	High	−0.01 m	11 km
Fall River at Outlet of Bennett LakeRiver gauge, Fall River	1.04 m	High	−0.01 m	21 km
Mississippi River at Outlet of Dalhousie LakeRiver gauge, Mississippi River	6.27 m	Normal	−0.02 m	23 km
Clyde River near LanarkRiver gauge, Clyde River	8.21 m	High	−0.02 m	32 km
Mississippi River at Fergusons FallsRiver gauge, Mississippi River	3.08 m	High	±0	36 km
Depot Creek at BellrockRiver gauge, Depot Creek	6.70 m	High	+0.01 m	39 km
Lyndhurst Creek at LyndhurstRiver gauge, Lyndhurst Creek	16.59 m	Normal	±0	39 km
Millhaven Creek at SydenhamRiver gauge, Millhaven Creek	0.82 m³/s	High	−0.04 m³/s	40 km

Questions and answers

Is the Tay River near Bolingbroke higher than last year?

Yes, it is 0.22 m higher than on the same day last year, when the reading was 8.06 m.

What is a normal level for the Tay River near Bolingbroke in mid-October?

The median for mid-October is 8.19 m. In 8 years out of 10 the reading falls between 8.06 m and 8.25 m, based on 6 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 8.28 m on the gauge does not mean the water is that deep.

What is the water level of Tay River near Bolingbroke today?

On Oct 19, 2026, 04:45 PM EDT, the water level was 8.28 m. Up 0.04 m over the last 24 hours.

Is Tay River near Bolingbroke rising or falling?

Up 0.04 m over the last 24 hours. Up 0.03 m over the last 7 days.

Is the level of Tay River near Bolingbroke normal?

Very high for mid-October. Compared with 6 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:02LA029 (Agency page)
Coordinates: 44.77081, -76.50311 (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	8.28 m	2026-10-19 20:45	Provisional
Flow	3.30 m³/s	2026-10-19 20:45	Provisional

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How to cite

Environment and Climate Change Canada – Water Survey of Canada: Tay River near Bolingbroke (eccc:02LA029). Accessed October 19, 2026 via Nivelmap, https://nivelmap.com/en/canada/ontario/tay-river-near-bolingbroke

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