Alteration means a major change in the type of construction or configuration of a private water system, including but not limited to,

1. adding a disinfection or treatment device,
2. converting a water well with a buried seal to a well with a pitless adapter,
3. extending a distribution system,
4. converting a well using a well pit to a well with a pitless adapter,
5. extending the casing above ground;
6. deepening a well,
7. changing the type of pumping equipment when that requires making new holes or sealing or plugging existing holes in the casing or wall of a well
8. repairing, extending or replacing any portion of the inside or outside casing or wall.