Poop is full of viruses that need to be handled by waste water treatment facilities. (simplymombailey.com)
From a 40 - acre facility in California selling 300 lbs / week of worms, and over 4,000 tons / year of castings, compost and soil amendments, to a Pennsylvania facility that treats 10 wet tons / week of biosolids from waste water treatment facilities, these are clearly no small - scale operations. (treehugger.com)
Did you know that the aquarium use to be a waste water treatment facility? (backtocalley.com)