eVox™ has been performance verified by the U.S. EPA and NSF ETV program for the removal of arsenic and will reduce arsenic to < 2 ppb. The eVox™ process is pre-approved for arsenic removal for drinking water applications by all 50 States. This patented arsenic & heavy metals removal technology process, known as eVox™, is a coagulation chemical process that cuts coagulant chemical costs by up to 90% while increasing standard coagulation/precipitation process performance by up to 50 times. These characteristics reduce equipment and footprint requirements as well as significantly reduce operating expenses. Watermark offers technology licensing as well as equipment for purchase.