The Western Aquatic Plant Management Society (WAPMS) is one of 6 regional chapters of the national Aquatic Plant Management Society (APMS).  The other chapters are Florida (FAPMS), South Carolina (SCAPMS), Texas (TAPMS), MidSouth (MSAPMS), Midwest (MAPMS) and the Northeast (NEAPMS). The WAPMS chapter includes the states of: Alaska, Arizona, California, Colorado, Hawaii, Idaho, Oregon, Nevada, New Mexico, Montana, Utah, Washington, and Wyoming as well as the Canadian provinces of British Columbia and Alberta.