Sussex County Septage Program Waste Hauler Requirements

Sussex County Environmental Services

Septage Hauler Program


  • Inland Bays Regional Wastewater Facility
  • 29445 Inland Bay Rd. Millsboro, Delaware 19966

Hours of Operation

  • April-October: Weekdays 6:00AM-6:00PM
  • November-March: Weekdays 8:00AM-4:00PM
  • Saturday (Year Round): 8:00AM-1:00PM
  • Holidays and Sundays: On Call Service (302) 855-7379


  • $0.076 per gallon

Program Requirements

  • A copy of the State of Delaware Department of Natural Resources and Environmental Control (DNREC) permit or a letter from DNREC that states they will permit hauling to the appropriate treatment plant for discharge.
  • Proof (certificate of insurance) of commercial general liability insurance, minimum amount, $500,000 combined single limit per occurrence.
  • Proof (certificate of insurance) of business auto liability insurance, minimum, $1,000,000 combined single limit per accident.
  • Proof (certificate of insurance) of worker’s compensation and employer’s liability insurance (if applicable) minimum amounts; Delaware coverage, $100,000 for each accident, $100,000 for each employee for disease, $500,000 policy limit for disease.
  • A valid copy of the waste hauler’s State of Delaware business license.
  • Licensing fee of $250.00

Program Conditions

  • Sussex County will accept liquid and solid waste pumped from a septic tank, cesspool, or holding tank provided that the property is located in Sussex County.
  • Appropriate documentation must be provided at the time of discharge, such as:
    • Holding Tank permit number
    • Hook-up permit number
    • Property owner name and address or tax map and parcel number
  • Sussex County will not accept grease and cooking oils removed from grease traps and interceptors, sludge from other wastewater facilities, Industrial Waste, or portable toilet waste.
  • Sussex County reserves the right to discontinue service if unstable conditions exist within the treatment process and continued operation of the septage program would further endanger the operation.
  • Deliveries are subject to random quality assurance sampling at the discretion of the Environmental Service Department.