You can ... Buy a water filter to reduce limescale and chlorine which will affect the taste and smell of drinks and food.
You can ... Find out for yourself what is happening with OFWAT - they regulate the water sector in England and Wales.
You can ... Install a water softner or a water conditioner to reduce future limescale build up. For drinking water you can buy a water filter.
You can ... Consider what grey water you want to reuse and put a system in place that will allow you to do that hygienically.
You can ...
Look into this fantastic natural process the earth offers - and the benefits of clouds and rain to the planet.
There is also a natural purifying process as the water percolates through rocks.