(Washington, DC) — In a year marking the 40th anniversary of the Clean Water Act, federal courts across the country continue to struggle in determining jurisdiction and applying the fractured Supreme Court’s 2006 ruling in Rapanos v. United States, which has now been interpreted, applied, or cited in over 90 different cases arising in 35 states. Six years after the decision, the legal battle over federal Clean Water Act jurisdiction shows no signs of abating.