Lac des Mille Lacs

Historical data only

The monitoring station for this lake is no longer active, so live water levels are not available. Historical seasonal patterns and other lake information are shown below.

Current Weather

2d ago

14°C

Wind NE 8 km/h

Humidity 53%

Mainly sunny

Environment Canada — Atikokan - Upsala - Quetico

Typical Range for Today

456.64 – 456.80 m

25th to 75th percentile (normal range)

Historical Min / Max for Today

456.33 – 457.11 m

Based on 20 years of records

Fish Consumption Advisories (8 species)

The following consumption advisories are in effect for fish caught in Lac des Mille Lacs.

Cisco (Lake Herring)

Contaminant	Size	General pop.	Sensitive pop.
	25-30 cm	32/month	—
	30-35 cm	32/month	—
	35-40 cm	32/month	—
Mercury	35-40 cm	—	16/month
Mercury	25-30 cm	—	16/month
Mercury	30-35 cm	—	16/month

Lake Whitefish

Contaminant	Size	General pop.	Sensitive pop.
	35-40 cm	32/month	32/month
	40-45 cm	32/month	32/month
	30-35 cm	32/month	32/month
	45-50 cm	32/month	32/month
	50-55 cm	32/month	—
Mercury	50-55 cm	—	16/month

⚠Longnose Sucker

Contaminant	Size	General pop.	Sensitive pop.
	35-40 cm	32/month	—
	30-35 cm	32/month	32/month
	40-45 cm	32/month	—
Mercury	55-60 cm	4/month	Do not eat
Mercury	45-50 cm	16/month	4/month
Mercury	50-55 cm	8/month	4/month
Mercury	35-40 cm	—	16/month
Mercury	40-45 cm	—	12/month

⚠Northern Pike

Contaminant	Size	General pop.	Sensitive pop.
	35-40 cm	32/month	—
Mercury	35-40 cm	—	12/month
Mercury	>75 cm	4/month	Do not eat
Mercury	70-75 cm	4/month	Do not eat
Mercury	65-70 cm	8/month	Do not eat
Mercury	60-65 cm	8/month	4/month
Mercury	50-55 cm	16/month	4/month
Mercury	45-50 cm	16/month	8/month
Mercury	55-60 cm	12/month	4/month
Mercury	40-45 cm	16/month	8/month

Smallmouth Bass

Contaminant	Size	General pop.	Sensitive pop.
	25-30 cm	32/month	—
Mercury	40-45 cm	8/month	4/month
Mercury	30-35 cm	16/month	8/month
Mercury	35-40 cm	12/month	4/month
Mercury	25-30 cm	—	16/month

⚠Walleye

Contaminant	Size	General pop.	Sensitive pop.
	20-25 cm	32/month	—
Mercury	30-35 cm	12/month	4/month
Mercury	35-40 cm	12/month	4/month
Mercury	40-45 cm	8/month	4/month
Mercury	45-50 cm	8/month	Do not eat
Mercury	50-55 cm	4/month	Do not eat
Mercury	55-60 cm	4/month	Do not eat
Mercury	60-65 cm	4/month	Do not eat
Mercury	65-70 cm	4/month	Do not eat
Mercury	25-30 cm	16/month	8/month
Mercury	20-25 cm	—	12/month

White Sucker

Contaminant	Size	General pop.	Sensitive pop.
	30-35 cm	32/month	32/month
	35-40 cm	32/month	—
Mercury	45-50 cm	16/month	8/month
Mercury	50-55 cm	16/month	4/month
Mercury	40-45 cm	16/month	12/month
Mercury	35-40 cm	—	16/month

Yellow Perch

Contaminant	Size	General pop.	Sensitive pop.
	20-25 cm	32/month	—
	15-20 cm	32/month	—
Mercury	20-25 cm	—	12/month
Mercury	25-30 cm	12/month	4/month
Mercury	15-20 cm	—	16/month

Source: Guide to Eating Ontario Fish (2025). Advisory data is updated annually.

Boat Launches (1)

Seine River Access

0.0 km

Map ↗

Source: Ontario MNR Fishing Access Points. Verify conditions before visiting.

Technical details

Years of record: 20
Source station: LAC DES MILLE LACS ABOVE OUTLET DAM (05PB012)
Est. average depth: —
Station status: Discontinued
Relationship type: controlled_system
Mapping confidence: medium
Today's normal range: 456.64–456.80 m
Same-date historical range: 456.33–457.11 m

Data source: ECCC Water Office — Station 05PB012. Water level readings are provisional and subject to revision. This is not a navigation or flood-warning service.