4 ms·

Any ground water will have more minerals than wain water. For example, the water delivered to my house has 450-550 mg/l TDS. A quick search shows that is about

• ein0p 3y ago
  It's probably not rainwater that's causing the rust. It's the water from the pavement, which does have higher mineral content, and might have corrosive substances, such as salt.
• mrweasel 3y ago
  My kitchen sink also doesn't get salted during the winter, the roads do. I wonder if someone at Tesla forgot that some areas rely heavily on salt to keep the roads ice free during the winter.
  • dzhiurgis 3y ago
    You don't use salt when cooking? :D
    • JAlexoid 3y ago
      The concentration of salt in your cooking equivalent to the salt on the roads would make your food inedible.
• lainga 3y ago
  Woah! I had no idea they were pumping groundwater into the Capilano Reservoir. Thanks for the heads up
• falcolas 3y ago
  Isn't rainwater slightly more acidic than ground water?
• JAlexoid 3y ago
  Rain water - sure. However rain water falls on the road, mixing with any minerals deposited on the road.