Waterloo Lake

Lake Eastern Ontario FMZ 15 Provincial Park

21.3 m

Deepest charted contour

About this spot

Waterloo Lake is a lake in the Eastern Ontario area of Ontario, in Fisheries Management Zone 15. MNR fish surveys (2015) recorded 6 species here, including cisco, white sucker and burbot. An MNR depth chart exists for this lake; its deepest charted contour is 21.3 m. This waterbody is inside an Ontario provincial park: a valid Ontario fishing licence is required and park rules apply.

Location

Fish Species

Cisco Sucker Burbot Brook Trout Lake Trout Northern Pike

No species reported for this spot yet.

Lake data from Ontario government surveys

Ontario's Ministry of Natural Resources holds 12 fish survey records from 2015. Survey methods: Summer Profundal Index Gill Netting.

Species recorded (6)

Cisco · 12 White Sucker · 9 Burbot · 3 Brook Trout · 2 Lake Trout · 2 Northern Pike · 2

Number of survey records that list the species.

Depth chart

MNR depth chart on file
Deepest charted contour: 21.3 m
The deepest contour line on the chart. The true maximum depth is at least this deep.

Sources: Land Information Ontario — Aquatic Resource Area survey points, Bathymetry Index and Bathymetry Line, Fisheries Management Zones, Fishing Access Points. Contains information licensed under the Open Government Licence – Ontario.

Fisheries Management Zone 15

Waterloo Lake is in Fisheries Management Zone 15. Open seasons, catch limits and size limits in Ontario are set zone by zone, and some lakes carry their own exceptions, so check the FMZ 15 rules before you fish.

FMZ 15 regulations on ontario.ca

Ice fishing on Waterloo Lake (2026–27)

Ontario has no separate ice fishing season: the regular open seasons apply through the ice. Waterloo Lake is in Fisheries Management Zone 15, where 10 of 17 species groups are open for the whole ice season (December 1 to March 31) under the zone-wide rules. Of the game fish government surveys recorded in this lake, brook trout and northern pike are open at least part of the winter under the zone-wide rules.

Species	Through the ice	Zone-wide season	Limits
Brook trout recorded here	Part of the season Jan 1 – Mar 31	January 1 to September 30	S-5 and C-2
Lake trout recorded here	Different rule here See the rules for this lake below	January 1 to September 30	S-2 and C-1
Northern pike recorded here	Open	January 1 to March 31 and third Saturday in May to December 31	S-6 and C-2
Atlantic salmon	Closed	closed all year
Brown trout	Open	open all year	S-5 and C-2
Channel catfish	Open	open all year	S-12 and C-6
Crappie	Open	open all year	S-30 and C-10
Lake sturgeon	Closed	closed all year
Lake whitefish	Open	open all year	S-12 and C-6
Largemouth and smallmouth bass combined	Closed	fourth Saturday in June to November 30	S-6 and C-2
Muskellunge	Part of the season Dec 1 – Dec 15	1st Saturday in June to December 15	S-1; must be greater than 91 centimetres, and C-0
Pacific salmon	Open	open all year	S-5 and C-2
Rainbow trout	Open	open all year	S-5 and C-2
Splake	Open	open all year	S-5 and C-2
Sunfish	Open	open all year	S-50 and C-25
Walleye and sauger combined	Part of the season Dec 1 – Mar 15	January 1 to March 15 and third Saturday in May to December 31	S-4 and C-2; not more than 1 greater than 46 centimetres
Yellow perch	Open	open all year	S-50 and C-25

S = sport fishing licence, C = conservation licence (daily catch and possession). Dates are worked out for 2026–27 from the wording of the 2026 summary. Ontario publishes a new summary every January 1, so check the 2027 edition for dates after December 31.

Rules specific to Waterloo Lake

The 2026 summary lists this lake by name and location. These rules replace the zone-wide ones above where they overlap.

Lake Trout exception (additional fishing opportunities): Limits: S-2 and C-1; none between 40-55 centimetres Gear restriction: only 1 line may be used when angling through the ice, regardless of what species is/are being targeted

Ice huts in Zone 15

Huts must be registered (free, once) and show the number outside; fabric shelters under 7 m² are exempt. Remove your hut by March 31, and in any case before the ice breaks up. You may fish with two lines through the ice in most waters, within 60 m and in sight of each.

Zone 15 ice fishing rules Ice fishing in Ontario guide

Source: Ontario Fishing Regulations Summary 2026, Zone 15 (ontario.ca); ice hut rules: ontario.ca/page/ice-fishing. This summary is not the law: check the regulations and local conditions, and never go on ice you have not tested.