Almost 50% of waste water originated from agriculture, industrial activities, other activities and households, while 50.6% was other waste water (meteoric water, run-off rain water, etc.).
Približno 50% izpuščene odpadne vode je izviralo iz kmetijstva, industrijskih dejavnosti, drugih dejavnosti in iz gospodinjstev, preostalih 50,6% te vode so bile druge odpadne vode (padavinska voda, zaledne in druge vode).