Whanganui's water ticks all the boxes when it comes to meeting Ministry of Health standards. It's "potable", which means it's fit for human consumption, and there's plenty of it. Indeed, Whanganui is one of the few urban areas that isn't hampered by water restrictions in summer.

That's the upside. The downside is the fact some consumers don't like the taste and almost everyone can't stand its level of hardness.

Whanganui's water is well known for its hardness; that level of calcium content which means it doesn't lather up very well but more seriously has a major impact on household appliances