Delaware Code
Chapter 15. CESSPOOLS, PRIVY WELLS, DRAINAGE SYSTEMS AND WATER SUPPLY SYSTEMS
§ 1504. Prohibiting surface drainage.

The Department of Health and Social Services may prohibit the owner or tenant of any property within any incorporated town or within 1 mile from the water supply thereof from discharging any sewerage or drainage from any house or building on or over the surface of the ground adjoining the same whenever it determines that the same is detrimental to the health of the inhabitants of the town or those living within 1 mile from the water supply thereof.