Peter M McCarthy


Peter is a hydrologist who has been with the WY-MT WSC since June 2003. Peter has a background in engineering and has spent most of his career focused on hydraulics and hydrology in Montana and nearby states.   In 2017, Peter became the National StreamStats Coordinator and leads a team of GIS specialists and web developers to ensure that StreamStats continues to meet the needs of the Water Science Centers and their stakeholders and cooperators.  


  • B.A. Mathematics-Carroll College 
  • B.S. Civil Engineering-Montana State University 
  • M.S. Civil Engineering-Colorado State University