Waste Business owners are required to get permits or submit plans to handle or store sewage or infectious waste. Services Apply for a portable toilet permit How to apply for a permit for a portable toilet for a public event. Apply for a storage/holding tank permit How to apply for a permit for a storage/holding tank for sewage waste storage. Submit a plan for handling infectious waste at a health care facility How to submit a plan for the handling of infectious waste at a health care facility in Philadelphia.