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Water Resources of the United States


A collection of related libraries for the Hydrological Simulation Program--Fortran (HSPF)


The libraries distributed as LIBHSP contain the majority of the code for the HSPF model. The LIBHSP subroutines are required to compile the separately distributed HSPF and HSPEXP applications. LIBHSP contains essentially the same code that was previously distributed as part of the LIB software libraries. The LIB libraries have been separated into LIBHSP and LIBANNE distributions. The LIBANNE libraries are also required to compile HSPF and HSPEXP.

LIBHSP is not yet ready for distribution but will be made available from this page as soon as possible. When LIBHSP is made available from this page, an announcement will be sent to the watersoft, gensoft, lib, swsoft, and hspf mailing lists.


Point of contact for LIBHSP:

  • U.S. Geological Survey
  • Hydrologic Analysis Software Support Program
  • 437 National Center
  • Reston, VA 20192
  • (electronic mail:
  • USGS Home :: Biology :: Geology :: Geography :: Site Map

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