Covent Garden is a lively district in Central London with a rich history dating back to the Tudor times. The area is well known for its iconic market, which is a popular tourist destination, as well as its many theatres, bars, and restaurants. Covent Garden is also home to the Royal Opera House, one of the most famous opera houses in the world.

0 ppm is the softest water, 400 ppm is the hardest water. The level of calcium carbonate in this water zone is 276 ppm.

The water supplied to Covent Garden is hard water.