The analysis says farmers and their neighbors could be at risk if 10 dry metric tons of sludge per hectare has been applied to a farm for 40 consecutive years. The agency also found that the risk ...

More than 2 million dry tons were used on 4.6 million acres of farmland in 2018, according to the biosolids industry. Farmers have obtained permits to use sewage sludge on nearly 70 million acres ...