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ESTONIAN ENVIRONMENTAL REVIEW 2009

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120<br />

100<br />

105<br />

101<br />

89<br />

millions of m 3<br />

80<br />

60<br />

40<br />

20<br />

0<br />

30<br />

37<br />

34<br />

77<br />

67<br />

30 30<br />

59 57<br />

29<br />

26<br />

48<br />

24<br />

39<br />

Narva<br />

Tallinn<br />

1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007<br />

34<br />

31 28 27 27<br />

19 16 16 14 11 12<br />

24 22 23 23<br />

9 7 7 7<br />

Figure 6.4. Surface water extraction for the cities of Tallinn and Narva, 1990–2007. Data: EEIC.<br />

Middle and Lower Devonian and Silurian 5%<br />

Middle and Lower Devonian 5%<br />

Middle Devonian 8%<br />

2.5<br />

4.2<br />

2.4<br />

Cambrian-Vendian 33%<br />

16.2 mln m 3<br />

4.3<br />

4.7<br />

Quaternary 8%<br />

Ordovician-Cambrian 9%<br />

16.1<br />

Silurian-Ordovician 32%<br />

Upper Devonian 0.02<br />

Figure 6.5. Groundwater extraction from aquifer systems throughout Estonia in 2007 (not including mining water). Data: EEIC.<br />

89

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