Shelter Valley Brook near Grafton water level

Name: Shelter Valley Brook near Grafton 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, Shelter Valley Brook, Ontario, Canada

Directions

Normal for mid-October

Water level

0.75m Steady over the last 24 hours

Measured Oct 20, 2026, 02:05 PM EDT (1 hour ago)

Flow: 0.44 m³/s

History

7 days 30 days 1 year Years compared

20252026

Water level Normal range (10–90 %)

What this means

Shelter Valley Brook near Grafton is at 0.75 m, in the normal range for mid-October.

That puts it 0.01 m below the median of 0.76 m for mid-October, based on 21 years of readings. A year ago it stood at 0.77 m (−0.03 m).

The level has held steady over the past 24 hours. In the last month it has stayed between 0.73 m and 1.02 m.

Fall is often low-water season on rivers, until steadier rain returns.

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

Key numbers

Median for this date: 0.76 m0.01 m below the median for this date
Normal for this date: 0.73 m – 0.81 m8 years in 10 fall in this range (21 years of records)
Same day last year: 0.77 m−0.03 m
Lowest and highest in 30 days: 0.73 m – 1.02 m
Lowest and highest in 12 months: 0.73 m – 0.93 m

On the river

Outside the spring freshet, most rivers settle into a gentler pattern, broken by storms.

Flood advisories come from the provincial river forecast centre.

Weather at the gauge

No rain in the last 3 days.

20 Tue 17° 8° – Wind 21 km/h

21 Wed 12° 3° – Wind 14 km/h

22 Thu 17° 6° – Wind 19 km/h

23 Fri 11° 3° – Wind 17 km/h

24 Sat 12° 4° – Wind 12 km/h

25 Sun 15° 8° – Wind 21 km/h

26 Mon 17° 9° – Wind 21 km/h

Forecast: Open-Meteo

Sunrise 07:33 AM Sunset 06:22 PM Daylight 10 hr, 48 min Waxing gibbous 71%

Map

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
Baltimore Creek at BaltimoreRiver gauge, Baltimore Creek	1.34 m	Very low	−0.01 m	12 km
Cobourg Brook at CobourgRiver gauge, Cobourg Brook	6.42 m	Normal	±0	15 km
Cobourg Brook near Precious CornersRiver gauge, Cobourg Brook	2.28 m	Very high	−0.20 m	17 km
Proctors Creek near BrightonRiver gauge, Proctors Creek	1.07 m	Low	±0	22 km
Cold Creek at OrlandRiver gauge, Cold Creek	2.59 m	Low	±0	23 km
Burnley Creek above WarkworthRiver gauge, Burnley Creek	2.52 m	Normal	±0	24 km
Ganaraska River above DaleRiver gauge, Ganaraska River	0.95 m	Low	±0	26 km
Salt Creek near CodringtonRiver gauge, Salt Creek	1.69 m	Low	±0	27 km

Questions and answers

How does Shelter Valley Brook near Grafton compare with last year?

It is 0.03 m lower than on the same day last year, when the reading was 0.77 m.

What is a normal level for Shelter Valley Brook near Grafton in mid-October?

The median for mid-October is 0.76 m. In 8 years out of 10 the reading falls between 0.73 m and 0.81 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 0.75 m on the gauge does not mean the water is that deep.

What is the water level of Shelter Valley Brook near Grafton today?

On Oct 20, 2026, 02:05 PM EDT, the water level was 0.75 m. Steady over the last 24 hours.

Is Shelter Valley Brook near Grafton rising or falling?

Steady over the last 24 hours. Down 0.19 m over the last 7 days.

Is the level of Shelter Valley Brook near Grafton normal?

Normal 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:02HD010 (Agency page)
Coordinates: 43.99188, -78.00122 (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	0.75 m	2026-10-20 18:05	Provisional
Flow	0.44 m³/s	2026-10-20 18:05	Provisional

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How to cite

Environment and Climate Change Canada – Water Survey of Canada: Shelter Valley Brook near Grafton (eccc:02HD010). Accessed October 20, 2026 via Nivelmap, https://nivelmap.com/en/canada/ontario/shelter-valley-brook-near-grafton

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