New York Codes, Rules and Regulations
Title 10 - DEPARTMENT OF HEALTH
Chapter I - State Sanitary Code
Part 14 - Food Service Establishments
Subpart 14-4 - Mobile Food Service Establishments And Pushcarts
Liquid Wastes and Sewage
Section 14-4.130 - Liquid waste and sewage holding and disposal

Sewage and liquid wastes are to be stored in a permanently installed holding tank that has at least 15 percent greater capacity than the water supply tank in a manner which protects the premises, personnel and contents within the establishment and surroundings from contamination. All plumbing is to be constructed and maintained to prevent contamination of the potable water supply, food equipment, utensils, the premises, contents, employees and patrons. All sewage and liquid waste is to be disposed of in a public sanitary sewer or a sewage disposal system constructed and operated in a manner acceptable to the permit-issuing official.