When all that waste combines, it creates a clog known as a “fatberg.” It causes back-ups and is costing the city a fortune.

CBS2’s Lisa Rozner got an exclusive look at how the city is tackling the threat.

From the toilet to the Newtown Creek Wastewater Treatment Plant in Greenpoint, cooking grease combined with baby wipes is ruining equipment and has Department of Environmental Protection workers doing overtime to weed it out.

“Folks feel if it’s good for baby, it’s good for them, but more and more we’ve been seeing them clogging the sewer system,” city DEP Commissioner Vincent Sapienza said Wednesday.