Delaware Code
Chapter 15. CESSPOOLS, PRIVY WELLS, DRAINAGE SYSTEMS AND WATER SUPPLY SYSTEMS
§ 1502. Changing existing drainage systems.

The Department of Health and Social Services may order and direct any changes in the construction of any cesspool or privy well or other drainage already constructed and used on any property in any incorporated town or within 1 mile of the water supply of the town which it deems necessary for the protection of the health of the inhabitants of the town or for the protection of the water supply thereof.