Treating roads with oil and gas wastewater may spread harmful pollution
Thirteen states allow the practice to help with deicing, dust control and road maintenance
![truck driving on road](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2018/05/053018_LH_waterwater_feat.jpg?fit=860%2C460&ssl=1)
ON THIN ICE Wastewater from oil and gas production is one of the many liquids that towns and cities douse roadways with to keep them ice-free. But contaminants in the water can be released into the environment, a new study finds.
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