Water testing is an important part of home maintenance, but it's also complicated and expensive. If you're like most homeowners, you probably don't have the tools or expertise to test if the water at your home is safe to consume.   You can hire a professional to do this for you, but that will cost hundreds of dollars every time you check your water quality.   Eastern Drill provides water testing in Westchester, CT, to help you save money and avoid problems with your water s