worth finding out:
Whether bathroom and kitchen taps receive water from the same source.
Whether the property has a cold-water storage tank.
Whether the tank is covered, clean, and properly maintained.
Whether any old lead pipes or fittings remain.
Whether the water supply has been tested when necessary.
A qualified plumber can help identify the plumbing arrangement and any materials that may need attention.
You should not rely on the age of a building alone to decide whether its water is safe. The actual plumbing materials, maintenance, and water quality