Larger quantities of drainage waste water (rainwater and run-off rain water) Almost 120 million m 3 of waste water ran off from roofs and hardened paved areas into the public sewage (or the soil).
Količina padavinskih in meteornih voda večja Skoraj 120 milijonov m 3 odpadnih voda je v odtoke odteklo s streh in utrjenih površin.