Factory site Modern food production facilities are designed to protect food from the risk of environmental hazards. Serious problems are related to potential ingress of surface water into the production facility and/or back up in the sewage system. ACO solution ACO Waste Water Management offers the complete portfolio of external polymer concrete drainage, grease separation, backflow devices and attenuation systems. ACO Access covers ACO StormBrixx ACO Heavy metal filter ACO Qmax ACO Monoblock PD/RD