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It’s Time to Talk (Again) about Sewage Sludge on Farmland


Each year, millions of tons of sewage sludge is disposed of on fields in the United States. (Image: Susan A. Secretariat / Flickr)

By Laura Orlando

The "land application" of sewage sludge has been promoted by the Environmental Protection Agency (EPA) since 1993 as the preferred method for the disposal of this by-product of municipal wastewater treatment. Millions of tons of hazardous sewage sludge have subsequently been spread on farmland and public parks in the United States. Sometimes it is bagged and sold as “organic” fertilizer and compost in garden supply stores. No matter how it is processed or how slick it is marketed as a fertilizer or soil amendment, putting sewage sludge on land is a health and environmental disaster.

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