Sign Up to Be Notified for Yearly Testing We can send your reminder by U.S. Postal Service or by e-mail. Indicate your preference below. Name/Company Name Name Company Notify Me by E-Mail E-mail Address Notify Me by U.S. Mail Address 1 Address 2 City State Zip Code For more information: General Information About Contaminants Collecting Water Samples When Should You Test Your Drinking Water? EPA Drinking Water Contaminants and Health