Users may, without any fee or cost, use, copy, modify, or distribute this software, and any derivative works thereof, subject to the USGS software User Rights Notice . The USGS has classified the majority of the Water Resources Applications software available from these pages as mission-essential systems. This includes nearly 60 different software systems. Not Compliant. - revisions under consideration. Uses 2-digit years.
Revision is under development.
Program also has a hard-coded year limitation of 2000. Revisions under consideration. Fortran Not tested. Believed to be Compliant. Only one function in HSPF uses 2-digit years, SEQ input.