The ClearWater BMP is a powerful advancement in sidewalk curb inlet filtration technology. Proven testing from San Diego State University. Easy maintenance of the ClearWater BMP is done at street level. Tailor the ClearWater BMP to your financial needs. With the filter supports removed, the screening, settling, and separating activity continues unabated, yet still allows for an upgrade by adding the filter supports in the future without having to purchase a different filter system. This flexibility creates the opportunity for the ClearWater BMP to help you be NPDES compliant now and remain NPDES compliant in the future.