California Integrated Water Quality System Project (CIWQS)


CIWQS contains several modules that are used by dischargers and the public. For more information on these modules, see the links under “CIWQS Resources” on the left. To get involved in the user group for a specific module, please see the contacts in the pages listed below.

User Group Pages

Recently Resolved Issues

CIWQS is modified during version updates, approximately every-other month. See a list Release Issues that may impact external users in recent updates.