Over the past few decades, it has been found that many sealants and pipe materials used for water mains in the past are not as safe as once thought. New technologies have helped people to find sealants and materials that are safer and more environmentally responsible. Water main installations need to adhere to extremely strict guidelines when it comes to zoning regulations and safety regulations. Of course, these regulations will vary from state to state, but they are often very strict. This process will also require the use of heavy equipment that will need to be operated by a seasoned contractor. Finding a contractor who can use eco-friendly materials with the installation can be a good idea. These contractors often use materials that carry a lower risk of toxins and this is an important thing to keep in mind when it comes to your water.