Holding Tanks are for use with Construction/Office trailers, special event temporary office/ticket sales or remote kitchen sink grey water collection. Our waste water Holding tank rentals come in 140 gallon, 280 gallon and 300 gallon tank sizes. We offer daily service for Special events or Once/Twice weekly (or more often as needed) pumping for jobsites. Installation is optional and/or an additional charge according to the customers needs. Please contact this office for a quote or recommendation for the size of tank and the pumping service required for the number of personnel using the tank. Or simply see the link for the Florida Health code on Holding Tanks. For above ground use only.