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Big Carp River near Sault Ste. Marie water level

River gauge, Big Carp River, Ontario, Canada

Directions

Low for mid-October

Water level

2.43m Steady over the last 24 hours

Flow
0.01 m³/s
2.3 2.5 2.7 3.0

History

2.22.42.62.8mOct 13Oct 14Oct 16Oct 18Oct 202.22.42.62.8mOct 13Oct 16Oct 20
2.32.52.8mSep 20Sep 27Oct 5Oct 12Oct 202.32.52.8mSep 20Oct 5Oct 20
2.02.53.03.5mOct 2025Jan 2026Apr 2026Jul 2026Oct 20262.02.53.03.5mOct 2025Apr 2026Oct 2026
2.02.53.03.5mJanMarMayJulSepNov20262.02.53.03.5mJanAprJulOct2026

20252026

Water level Normal range (10–90 %)

What this means

At 2.43 m, the Big Carp River near Sault Ste. Marie is below normal for mid-October.

The median for mid-October is 2.56 m, based on 21 years of readings, so the water level is 0.13 m below typical. On the same day last year the reading was 2.61 m, a difference of −0.18 m.

It has barely moved over the past 24 hours. Without real rain upstream, that is unlikely to change quickly. Over the past 30 days it has moved between 2.41 m and 2.67 m.

Fall is often low-water season on rivers, and it usually takes a few days of steady rain to change that.

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

Key numbers

Median for this date
2.56 m0.13 m below the median for this date
Normal for this date
2.30 m – 2.93 m8 years in 10 fall in this range (21 years of records)
Same day last year
2.61 m−0.18 m
Lowest and highest in 30 days
2.41 m – 2.67 m
Lowest and highest in 12 months
2.40 m – 2.99 m

Conditions at Big Carp River near Sault Ste. Marie

Low water means shallow riffles on canoe trips and warmer water for fish.

Flood advisories come from the provincial river forecast centre.

Weather at the gauge

No rain in the last 3 days.

20 Tue 15° 2° – Wind 16 km/h
21 Wed 16° 4° – Wind 12 km/h
22 Thu 18° 7° – Wind 10 km/h
23 Fri 17° 8° – Wind 19 km/h
24 Sat 18° 9° – Wind 18 km/h
25 Sun 17° 10° 5.7 mm Wind 31 km/h
26 Mon 9° 5° – Wind 38 km/h

Forecast: Open-Meteo

Sunrise 08:03 AM Sunset 06:44 PM Daylight 10 hr, 41 min First quarter 65%

Map

Nearby gauges

Gauge Level Compared with normal 24 hours Distance
St. Marys River at Sault Ste. Marie, OntarioRiver gauge, St. Marys River 70,300 cfs Normal −11,200.0 cfs 7 mi
Root River at Sault Ste. MarieRiver gauge, Root River 13.00 m Very high −0.03 m 15 km
St. Marys River near Garden RiverRiver gauge, St. Marys River 24.05 m Normal −0.12 m 26 km
Goulais River near Kirby'S CornerRiver gauge, Goulais River 2.71 m Very low −0.01 m 26 km
Pine River near RudyardRiver gauge, Pine River 1.09 ft Below flood stage −0.05 ft 24 mi
Goulais River near SearchmontRiver gauge, Goulais River 7.34 m Very low −0.02 m 54 km
Batchawana River near BatchawanaRiver gauge, Batchawana River 2.17 m Low −0.02 m 54 km
Thessalon River near Poplar DaleRiver gauge, Thessalon River 1.89 m Very low −0.01 m 58 km

Questions and answers

Is the Big Carp River near Sault Ste. Marie higher than last year?

No, it is 0.18 m lower than on the same day last year, when the reading was 2.61 m.

What is a normal level for the Big Carp River near Sault Ste. Marie in mid-October?

The median for mid-October is 2.56 m. In 8 years out of 10 the reading falls between 2.30 m and 2.93 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 2.43 m on the gauge does not mean the water is that deep.

What is the water level of Big Carp River near Sault Ste. Marie today?

On Oct 19, 2026, 11:20 PM EDT, the water level was 2.43 m. Steady over the last 24 hours.

Is Big Carp River near Sault Ste. Marie rising or falling?

Steady over the last 24 hours. Down 0.20 m over the last 7 days.

Is the level of Big Carp River near Sault Ste. Marie normal?

Low 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:02BF004 (Agency page)
Coordinates
46.51589, -84.46518 (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

ParameterLast valueTime (UTC)Quality
Water level 2.43 m 2026-10-20 03:20 Provisional
Flow 0.01 m³/s 2026-10-18 22:50 Provisional

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How to cite

Environment and Climate Change Canada – Water Survey of Canada: Big Carp River near Sault Ste. Marie (eccc:02BF004). Accessed October 20, 2026 via Nivelmap, https://nivelmap.com/en/canada/ontario/big-carp-river-near-sault-ste-marie

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