KAZALCI OKOLJA

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Key message
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In recent years, the amount of waste water treated by processes of secondary or tertiary treatment increased, while the amount with primary treatment decreased. The amount of wastewater that was treated with secondary treatment processes, has, since 2003, increased by 211% or 38 million m3(in 2003) to 81 million m3(in 2012). Tertiary wastewater treatment was almost nonexistent in Slovenia in 2003, while in 2012 37% of all treated wastewater, or 48 million m3 wastewater was treated by tertiary processes.



Charts

Figure VD02-1: Share of Slovenian population whose urban waste water was treated, in individual years, in urban or common waste water treatment plants of a certain treatment level
Sources: 

Waste Water Treatment Plants Database, Environmental Agency of the Republic of Slovenia, 2013; Statistical Office of the Republic of Slovenia, 2013

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1998 1999 2000 2001 2002 2003 2004 2005 2006 2007
primary % 24.9 22.7 24.3 22 20 20.1 19.3 18 3.7 3.6
secondary % 10.5 12.7 11 14.7 17.5 19 21.8 21.3 36.8 37.1
tertiary % 1.1 1.5 1.4 0.8 0.9 1 7.7 10.9 11 11.7
primary number 494412 450889 483820 438856 399324 400968 386185 360396 74003 73453
secondary number 208252 253336 218597 293560 350157 378772.2 434649.4 425712.4 739632.4 749274.6
tertiary number 21899 29801 28491 16649 17735 19457 153330 218615 221397 236211
population - total number 1982603 1988887 1990272 1992035 1995718 1996773 1997004 2001114 2008516 2019406
2008 2009 2010 2011 2012
primary % 1.3 0.5 0.5 0.5 0.5
secondary % 37.3 35.8 36.3 36.4 34.7
tertiary % 13.8 16.5 17.1 18.1 19.8
primary number 26646 9330 9559 9416 9416
secondary number 754543.6 730991.2 743181.4 746188.4 712877
tertiary number 278484 336495 350553 371310 407725
population - total number 2022629 2042335 2049261 2052496 2056262
Figure VD02-2: Quantity of waste water treated in urban or common waste water treatment plants of a certain treatment level
Sources: 

Waste Water Treatment Plants Database, Environmental Agency of the Republic of Slovenia, 2013

Show data
1998 1999 2000 2001 2002 2003 2004 2005 2006 2007
primary 1000 m3 66151 62146 68077 55558 57904 46981 43997 48536 8779 8035
secondary 1000 m3 25731 33223 30132 33590 38675 38485 48409 45642 72965 77945
tertiary 1000 m3 2886 4619 3371 3093 2748 2633 12744 26656 27933 27209
2008 2009 2010 2011 2012
primary 1000 m3 4560 467 458 450 433
secondary 1000 m3 90991 90124 98010 77349 81751
tertiary 1000 m3 30694 41063 47193 42064 48261

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