For a facility serving a population of 3,300, the City of West Liberty (Iowa) Wastewater Treatment Plant handles large flows and produces a high biosolids volume. That's because a major turkey processor accounts for nearly 60 percent of the plant's flow and by itself contributes some 3,400 pounds of BOD per day.
That organic content from West Liberty Foods, processor of about 23,000 turkeys per weekday, boosts biosolids production to 310 dry tons per year. Producing that material and moving it to local farms has been a challenge at times, but the plant
