From screening debris in your CSO, addressing odour and corrosion or improving treatment objectives, Nulantic Water can help. ROMAG CSO deflection screens prevent debris from being swept into receiving waters during storm events. The innovative WWETCO FlexFilter™ high-rate filtration system for combined sewer overflow (CSO) and Sanitary Sewer Overflows (SSO) events can be used for primary or tertiary treatment and sporadic wet weather treatment to reduce total suspended solids (TSS). Combat odour and corrosion problems in your collection systems with the SDOX-CS^® Dissolved Oxygen Odour & Corrosion Control designed to eliminate sulfide production by providing an aerobic environment.