Likely not for lead. However, brass fixtures and lead solder were used well into the late 1980s. If your home is post-1990, a standard potability test (bacteria) is usually sufficient unless you have specific concerns.
Ontario’s standard is 0.005 mg/L. If your water exceeds this, we can recommend simple steps to reduce exposure immediately.
It is usually a result of corrosion. As water sits stagnant in pipes (like overnight), it can dissolve tiny amounts of metal from the pipe walls. This is why "first draw" testing is the gold standard.
Yes. If your test comes back positive, we can recommend NSF-certified filters (like Reverse Osmosis) that are proven to remove lead and heavy metals. We are not a retailer of this equipment, so we provide non-biased, expert feedback.

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