2. Materials and methods
The water samples were collected and analyzed during year 2009 by the team of Palestinian Hydrology Group (PHG) as follows: 19 water samples taken from the private desalination plants, 15 water samples taken from the water tankers, 77 water samples taken from the drinking water distribution points in Al Buraij, Al Nussierat and Al Salga, 231 water samples taken from the household storage tanks in Al Buraij, Al Nussierat and Al Salga, and 9 water samples taken from private wells in the area.