Superfund Interest Rates

Funds maintained in the Hazardous Substance Superfund Trust Fund are invested by Treasury in U.S. Market Based Securities. Treasury’s Bureau of Fiscal Services uses the yield to maturity effective at the time of purchase of these securities to calculate the Superfund Interest Rate each fiscal year. Superfund Interest Rates links the interest rates from 1980 to the present.

FISCAL YEAR RATE INSTRUMENT
2016 0.67% MK-Note
2015 0.75% MK-Note
2014 0.81% MK-Note
2013 0.78% MK-Note
2012 0.74% MK-Note
2011 0.69% MK-Note
2010 2.24% MK-Note
2009 2.15% MK-Note
2008 4.34% MK-Note
2007 5.02% MK-Note
2006 4.11% MK-Note
2005 2.21% MK-Note
2004 1.27% MK-Note
2003 1.47% MK-Note
2002 3.35% MK-Note
2001 6.18% MK-Bill
2000 5.30% MK-Bill
1999 4.53% MK-Bill
1998 5.61% MK-Bill
1997 5.69% MK-Bill
1996 5.86% MK-Bill
1995 5.63% MK-Bill
1994 3.36% MK-Bill
1993 3.49% MK-Bill
1992 5.70% MK-Bill
1991 7.99% MK-Bill
1990 8.47% MK-Bill
1989 8.39% MK-Bill
1988 6.99% MK-Bill
1987 5.63% MK-Bill
1986 7.43% MK-Bill
1985 10.82% MK-Bill
1984 9.40% MK-Bill
1983 11.32% T-Bill
1982 17.26% T-Bill
1981 10.93% T-Bill
1980 10.88% T-Bill