Water Use Rules in New Castle County, DE (2026)

1 county-level rule, plus city-specific rules for 1 city in New Castle County, Delaware.

Verified from official government sources

Note: These county rules apply to unincorporated areas of New Castle County. If you live within an incorporated city, that city's own rules apply: see the city list below.

Leak Reporting Duty

New Castle County's Tenants' Rights Guide, codified at County Code § 19.03.003, requires every rental unit's roof and plumbing to stay free of leaks. Tenants must stop any spill or overflow themselves, but the instant a leak, spill, or overflow appears, the landlord must be notified immediately to head off further damage such as mold.

New Castle County Rental Leak Reporting Duty

Some Restrictions

New Castle County Code § 19.03.003 (Tenants' Rights Guide Appendix - "Leaks")

Leaks Your roof and plumbing should be free of leaks. The tenant has a responsibility to prevent any spills or overflows. In the event of a leak, spill or overflow, the landlord should be notified immediately to prevent additional damage such as mold.

Full ordinance details →Official source ↗

Water Use Rules by City in New Castle County

1 cities in New Castle County have their own water use rules rules. Each link goes to that city's dedicated page with code citations.

WilmingtonPop. 70,898

1 verified rule • Leak Reporting Duty

All New Castle County ordinances

See every category we cover for New Castle County: parking, noise, fences, fires, animals, pools, and more.

New Castle County Ordinance Hub →