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 244% or 36 million m 3 (in 2003) to 88 million m 3 (in 2010). Tertiary wastewater treatment was almost nonexistent in Slovenia in 2003, while in 2010 39% of all treated wastewater, or 57 million m 3 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, 2012; Statistical Office of the Republic of Slovenia, 2012

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1998 1999 2000 2001 2002 2003 2004 2005 2006 2007
primary % 24.4 22.4 24 21.5 19.5 19.6 18.9 17.6 3.4 3.4
secondary % 9 10 7 10.2 14.4 17.1 16.7 17.7 30.9 32.2
tertiary % 2 3.4 4.6 4.8 3.4 2.3 12.1 13.8 16 15.5
primary number 484238 445586 477467 427604 388870 391092 376599 351844 68881 68331
secondary number 177603 198897 138716 203091 287225 340815 333805 353504 620615 651074
tertiary number 40014 66948 92199 96323 68835 45014 241400 275888 321086 313942
population - total number 1982603 1985557 1990272 1992035 1995718 1996773 1997004 2001114 2008516 2019406
2008 2009 2010
primary % 1.3 0.4 0.5
secondary % 36.6 29.3 31.5
tertiary % 13.1 21.6 20.6
primary number 26397 9081 9812
secondary number 741213 597940 644519
tertiary number 264988 441208 422285
population - total number 2022629 2042335 2049261
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, 2012

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 23570 29038 19007 22800 34093 36391 37690 41007 64304 72351
tertiary 1000 m3 5047 8804 14496 13883 7330 4727 23464 31291 36594 32804
2008 2009 2010
primary 1000 m3 4560 467 496
secondary 1000 m3 91348 76804 88640
tertiary 1000 m3 30336 54383 56766


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