The Brief Washington Gas reached a settlement with D.C.’s attorney general to clean up toxic pollution still leaking from its former East Station plant into the Anacostia River. After decades of polluting the Anacostia River, Washington Gas is being forced to clean it up after D.C.’s attorney general announced a settlement with the company Tuesday. Under the settlement announced Tuesday, Washington Gas must install a new boom to contain pollution on the surface, add filters and a new barrier, and submit to ongoing monitoring. We have been actively engaged in investigation and remediation efforts and continue to take necessary actions to protect surrounding areas," said Washington Gas in a statement. There are people eating fish out of the Anacostia River.