بررسي آلودگي استخرهاي شناي شهر مشهد

Survey of Swimming Pool Pollution in Mashhad

As far as many water sports like swimming, water polo, and also new science "water curernent" are directly related to the healthy condition of water, we have studied the water of some pools in the present research. This semiexperimental research involves studying some microbic and chemical laboratory experiments on water. We have studied 26 roofed and unroofed pools in Mashhad in order to study the color of water, counting bacteria, comparison of state and private pools, and comparison of the result with the standards of Health Ministry and Industrial Research. The result showed that from 3.2 water samples taken from pools, the amount of color left in 22.8 percent of samples were appropriate and according to the standards, and 77.2 percent were not according to the standards. Counting all the bacteria of the samples showed that 45.2 percent of samples were out of the standards. So we have concluded that the studied pools were polluted. There was a meaningful correlation between the pollution of water and the management of the pools. And the state pools were much more polluted than the private pools. The amount of color left in private pools was equal to 0.543 milligram per liter, while in state pools it was 0.389. Also we have found that there is a meaningful correlation between the roofed and unroofed pools. Health conditions of roofed pools were much better than unroofed pools regarding the condition of maintenance. We have found that some factors such as open space, the number of users, and also the sunlight affects on unroofed poolsʹ water conditions. So the result showed that the government has much more supervision on private pools while state pools donʹt have appropriate conditions.