The last few times I have hooked up to city water in a RV park I have found the first basin of water I run into the back bedroom sink is green, almost the color of transmission fluid. It only seems to...
We had this once and found green slime in our filter. We had been on well water all summer and then to city water for a week or so with days in between that we were not using any water. We cleaned and bleached everything including the inside of the water hose and haven't had it since. Of course we had to clean the filter holder with bleach and install a new filter also.