About 53% of discharged waste water was from agriculture, industrial activities, other activities and households and 47% was other waste water (rainwater, runoff rain water, etc.).
Približno 53% izpuščene odpadne vode je izviralo iz kmetijstva, industrijskih dejavnosti, drugih dejavnosti in iz gospodinjstev, preostalih 47% te vode so bile druge odpadne vode (padavinska voda, zaledne in druge vode).