South Heart Reservoir near McLennan water level

Name: South Heart Reservoir near McLennan 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

Reservoir, South Heart Reservoir, Alberta, Canada

Directions

High for mid-October

Surface elevation

625.87m Up 0.01 m over the last 24 hours

Measured Oct 20, 2026, 12:15 PM MDT (1 hour ago)

History

What this means

At 625.87 m, South Heart Reservoir near McLennan is holding more water than usual for mid-October.

The median for mid-October is 625.46 m, based on 11 years of readings, so the water level is 0.41 m above typical. On the same day last year the reading was 625.17 m, a difference of +0.70 m.

It is on the way up, by 0.01 m over the past 24 hours. The 30-day range is 625.74 m – 625.96 m.

Many reservoirs are drawn down through summer and fall; most of the refill comes later, with winter rain or spring snowmelt.

Compared with 11 years of daily readings for this time of year. How to read levels

Key numbers

Median for this date: 625.46 m0.41 m above the median for this date
Normal for this date: 624.97 m – 625.92 m8 years in 10 fall in this range (11 years of records)
Same day last year: 625.17 m+0.70 m
Lowest and highest in 30 days: 625.74 m – 625.96 m
Lowest and highest in 12 months: 625.16 m – 625.99 m

Boating and fishing at South Heart Reservoir near McLennan

Slightly high water rarely causes problems on the water itself, though some low-lying shoreline spots may be wet.

Conditions at the shore change with the level, so check with the agency that runs the lake before a trip.

Weather at the gauge

Rain in the last 3 days: 5.1 mm.

20 Tue 10° 0° – Wind 16 km/h

21 Wed 13° 2° – Wind 13 km/h

22 Thu 9° 2° – Wind 12 km/h

23 Fri 3° 0° – Wind 18 km/h

24 Sat 4° -2° 0.6 mm Wind 10 km/h

25 Sun -1° -4° 2.1 mm Wind 9 km/h

26 Mon 4° -4° – Wind 15 km/h

Forecast: Open-Meteo

Sunrise 08:28 AM Sunset 06:36 PM Daylight 10 hr, 8 min Waxing gibbous 71%

Map

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
Winagami Lake at Provincial ParkLake, Winagami Lake	621.91 m	Very high	±0	8.4 km
South Heart River near PeavineRiver gauge, South Heart River	5.23 m	Very high	−0.01 m	20 km
South Heart River near Big Prairie SettlementRiver gauge, South Heart River	25.22 m	Very high	−0.03 m	22 km
West Prairie River near High PrairieRiver gauge, West Prairie River	2.69 m	Normal	−0.02 m	27 km
Salt Creek near GrouardRiver gauge, Salt Creek	2.15 m	Very high	−0.01 m	32 km
East Prairie River near EnildaRiver gauge, East Prairie River	2.95 m	Very high	−0.05 m	34 km
Peavine Creek near FalherRiver gauge, Peavine Creek	3.93 m	Very high	+0.02 m	42 km
Little Smoky River near GuyRiver gauge, Little Smoky River	3.23 m	Very high	±0	44 km

Questions and answers

Is South Heart Reservoir near McLennan higher than last year?

Yes, it is 0.70 m higher than on the same day last year, when the reading was 625.17 m.

What is a normal level for South Heart Reservoir near McLennan in mid-October?

The median for mid-October is 625.46 m. In 8 years out of 10 the reading falls between 624.97 m and 625.92 m, based on 11 years of records.

Is South Heart Reservoir near McLennan really 625.87 m deep?

No. 625.87 m is the height of the water surface above sea level (or the agency's vertical datum), not the depth of the water.

What is the water level of South Heart Reservoir near McLennan today?

On Oct 20, 2026, 12:15 PM MDT, the surface elevation was 625.87 m. Up 0.01 m over the last 24 hours.

Is South Heart Reservoir near McLennan rising or falling?

Up 0.01 m over the last 24 hours. Up 0.04 m over the last 7 days.

Is the level of South Heart Reservoir near McLennan normal?

High for mid-October. Compared with 11 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:07BF008 (Agency page)
Coordinates: 55.68325, -116.59832 (WGS84)
Vertical datum: GEODETIC SURVEY OF CANADA 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
Surface elevation	625.87 m	2026-10-20 18:15	Provisional

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How to cite

Environment and Climate Change Canada – Water Survey of Canada: South Heart Reservoir near McLennan (eccc:07BF008). Accessed October 20, 2026 via Nivelmap, https://nivelmap.com/en/canada/alberta/south-heart-reservoir-near-mclennan

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