Hydranautics of Oceanside, Calif., introduces the new HYDRAcap capillary ultrafiltration membrane for surface water applications. HYDRAcap modules represent state-of-the-art capillary technology by providing superior performance as compared to microfiltration, and exhibiting up to 5-log pathogen removal; thus exceeding USEPA regulations for potable water use as per the Surface Water Treatment Rule requirement.