Of course, water can be drunk, and Yuci water can be eaten as long as it is boiled. There is nothing wrong with the underground well water itself. If there is turbidity, it is also a solid substance generated by calcium and magnesium ions.

Generally, the water, microorganisms or heavy metals that you can't drink are too high. If the landlord is not at ease, you can take samples and send them to the local quality inspection station for testing. This is free of charge.