@katrina2017 I looked around and found this:
https://www.bcchr.ca/research/stories/what-can-bc-parents-do-protect-their-kids-lead-water#:~:text=In%20the%20Metro%20Vancouver%20area,homes%20from%20old%20plumbing%20fixtures.
But they don't mention testing for lead as bloodwork :/ I haven't heard...