Using Biosolids in Agriculture

Kittitas County is one of many that is discussing the benefits and potential dangers of using biosolids in agricultural production.

Oregon State University Professor of Crop and Soil Science Dan Sullivan says it’s most beneficial for wheat, hay and grazing areas calling it a magical elixir since, "Soils that are higher in organic matter are easier to prepare a seed bed. They’re more resistant to wind and water erosion and are generally great soils to work with.”

Biosolids, which are treated wastewater, improve nutrient content, are more environmentally friendly and have sometimes boosted yields.

Still there are concerns from the public on water contamination possibilities, but Sullivan noted there are regulations for their use and, “I would say that biosolids are probably the most researched material in terms of receiving study from the aspect of safety for land application.”

Researchers are continuing to work with biosolids to maximize that safety while still getting the benefits to the farmer.

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