The Department shall adopt regulations to require that whenever the Department tests water from a well used for domestic purposes the following information shall be given to a person who requests the test and to any other person for whose benefit the test is requested: A certificate of potability; The complete results of the test, whether the test requested is bacteriological or chemical in nature; and The name, address, and telephone number of the appropriate agency of local government that the person may contact for an explanation of the test results. The regulations shall apply to any person or unit of State or local government that tests the water from a well.