artificially low premiums owed the U.S. Treasury approximately $20 billion $23 billion in debt $20.5 billion in debt on the brink of insolvency below fair value $20 BILLION in debt high risk National Flood Insurance Program. GAO Collected Research on NFIP (2013) $20 BILLION in debt billions of dollars $20 BILLION in debt $23 billion in debt U.S. Government Accountability Office (GAO) unable Government Accountability Office billions of dollars billions of dollars $20 BILLION in debt GAO Collected Research on NFIP (2013) billions of dollars $20.5 billion in debt has listed $20 BILLION in debt NFIP has become financially unsustainable $20 BILLION in debt $20 BILLION in debt Government Accountability Office report 2015 GAO $23 billion in debt to the U.S. Treasury $20 BILLION in debt GAO Collected Research on NFIP (2013) down to $20.5 billion The Government Accountability Office $20 BILLION in debt not structurally sound $23 billion in the red as of 2016 High Risk List $20 BILLION in debt puts it GAO Collected Research on NFIP (2013) GAO Collected Research on NFIP (2013) badly needed GAO Collected Research on NFIP (2013) below fair value below fair value se redujo a $20.500 millones