What causes purple water?

Black, Blue, Pink or Purple Water from Mildew, Tank Leaks or Potassium Permanganate. Pink water is likely from potassium permanganate, a chemical used to oxidize iron and manganese. If too much is used your water will turn pink, and if far too much is used it will turn purple.Click to see full answer. Considering this, is purple water dangerous?Officials say the purple water could stain your laundry. But besides that, there’s no real danger. “Once it’s diluted out, it’s not dangerous at all,” Stephen Burchett, water treatment plant operator, said. why does my tap water turn blue? Blue or green water is caused by the corrosion of internal copper piping. Generally, the water discolouration is accompanied by a metallic taste. This is a complex problem that at elevated levels of copper can have health implications. it is caused by the release of copper from copper pipes into the water. is pink water dangerous? No, a pink residue is not a problem with your water quality, and is not harmful in this situation. It is evidence of bacteria that are common inhabitants of our environment. The most typical of these bacteria is one known as Serratia marcescens. Serratia will not survive in chlorinated drinking water.Is Blue Water Dangerous?Yes, green or blueish bath water can be harmful to your body. Well, water that has a blue/green tint usually means your home’s water has excessive levels of copper. And if humans absorb too much copper (either via skin, inhalation or ingestion), it can cause: Vomiting.