Water Quality Association

Water Treatment For Dummies

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18 other elements in it. Of course, these stan- dards require that the water be free of disease- causing microbes, and also require it to be clear, palatable, odorless, noncorrosive, and free of any other objectionable particles or gases. Water gains other ingredients in many ways. Acid rain, industrial waste dumping, runoff from storms, and pesti- cides can contaminate surface water. Contaminants may come from older combined sanitary/storm sewer sys- tems that overflow during wet weather. Groundwater might be contaminated by chemicals leaching into soil from landfills, septic systems, or improper disposal of agricultural or household chemicals. Water can become impure after it leaves a treatment facility, and it can even pick up some additives from the facility itself. Most municipalities add chemicals such as fluoride, chlorine, or chloramines to treated water, to help protect your teeth and to keep the water free of harmful germs on its way to your tap. Beyond that, silt, sediment, and other miner- als can build up inside water mains and house- hold plumbing. When a water main breaks or is repaired or replaced, it's possible for silt, sediment, and microorganisms to enter the system. Sediment can also build up in your own hot water tank, introducing more contam- ination. Corrosion of pipes can add metals such as lead and copper to water. Diagnose Your Water There are many ways to find out what's in your water and whether it's safe. Below are tips. These materials are the copyright of John Wiley & Sons, Inc. and any dissemination, distribution, or unauthorized use is strictly prohibited.

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