Actually, yes it is illegal to have lead...
Canada National Parks Act, General Fishing Regulations
When angling, it is unlawful to:
* Fish without a national park fishing permit.
* Fish with or possess within 100 metres of park waters the following:
o natural bait and chemical attractants;
o any lead tackle (sinkers, jigs, lures and flies) under 50 grams;
o lures with more than 2 gang hooks;
o a line capable of catching more than one fish at one time.
* Fish with more than one line at a time.
* Fish closed waters.
* Leave a fishing line unattended.
* Fish from 2 hours after sunset to one hour before sunrise.
* Allow your catch to spoil or to be wasted.
* Sell, trade or barter any fish caught.
* Place live fish or fish eggs in any park water or transfer them between bodies of water inside (or outside) the park.
* Place any food for fish in park waters.
Taken from Parks Canada
Lets try and get our facts straight before misleading people next time.