Welcome to CDEC A division of DWR

History of CDEC

Milestones

  • Manual measurements 1932-1964
  • Gages on rivers were automated, telemetry controlled by a minicomputer installed in 1973
  • Remote users in 1981
  • Purchase of two large minicomputer systems in 1986-1987 to handle the increased demand for information
  • Tranisition from manual data entry to automated electronic data transfer (80% reduction in manual data entry). Implementation of data exchange with other agencies.
  • Installation and implementation of Unix file servers and Ingres relational database management system in 1994.
  • Development of Internet web page for data dissemination, 1996.