Apprehension still haunts different quarters as to whether the administration would be able to provide safe drinking water to the estimated 30 lakh Rath Yatra visitors as majority of water samples collected from different sources were found to be contaminated.According to sources, a total of 679 water samples were tested in Puri by Monday, and reports have shown that 70 of them are totally unfit for drinking. Out of them, 37 water sources are contaminated. These contaminated water sources include 23 deep tube-wells, 10 bore-wells, a tube well and a tap.