Do you need water testing for your home or business in Groton CT? If so, rely on the water experts at Eastern Drill Co. We are the best in the business when it comes to providing high quality well water testing and maintenance. All of our tests are guaranteed to be an accurate indication of your private well water potability. If you need peace of mind that your water is as safe as you think it is, call Eastern Drill Co. We service private wells and large private water systems like cisterns, resi