Authorities that manage the Potomac River tributary did not sample the stretch where residents fish and recreate. One Indigenous leader sees the lack of response as part of a pattern of ongoing neglect.By Aman AzharIn the five months after jet fuel started leaking from Joint Base Andrews into Piscataway Creek, no agency tested the water or sediment some 20 miles downstream, where the creek empties into the Potomac River and the shoreline community and anglers gather to fish and boat along the riverbank.