National Ag News

A municipal wastewater superintendent says the chemical-free process they use would work for large farms.  Sam Warp from Marshfield, Wisconsin says they made a big change last year.  “It was built in 2000, and it was designed with a chemical treatment to remove the phosphorus and in June of last year, we switched over to an all-natural process just using natural bacteria and protozoa to treat the wastewater, and we add no chemicals now.”

Warp says the economy of scale is what might prevent one or more farms from building this type of system compared to an anaerobic digester.  

Continue reading Dairy farmers tour municipal wastewater system at Brownfield Ag News.