Septic service in Delaware

SepticTank.com covers 33 cities and towns in Delaware, home to about 283,723 people. The largest are Wilmington, Dover and Newark.

Soil and climate differ across Delaware. In the 33 cities with local data so far, a median of 100% of nearby mapped soils are rated very limited for septic absorption fields, and yearly precipitation ranges from about 45 to 50 inches. Each city page shows the figures for that area.

Septic permits in Delaware are handled by state and county health or environmental agencies. Check with your county before installing, replacing or making major repairs to a system, and ask your septic company which rules apply to your property.