4 Water Resources in Poland and Their Use
53
Table 4.2 Principal rivers in Poland [4]
River
Recipient Basin area (km 2 ) River length (km) River discharge (m 3 ·s −1 )
Vistula
Baltic sea 193 960
1 022
1 080.0
Dunajec
Vistula
6 796
249
85.5
Wisłoka
Vistula
4 110
173
35.5
San
Vistula
16 877
458
129.0
Wieprz
Vistula
10 497
349
36.4
Pilica
Vistula
9 258
333
47.4
Narew
Vistula
74 527
499
313.0
Bug
Narew
38 712
774
155.0
Bzura
Vistula
7 664
173
28.6
Drw˛ eca
Vistula
5 697
231
30.0
Brda
Vistula
4 665
245
28.0
Oder
Baltic sea 119 074
840
567.0
Nysa Kłodzka Oder
4 570
189
37.7
Barycz
Oder
5 547
136
18.8
Bóbr
Oder
5 874
279
44.8
Nysa Łu˙ zycka Oder
4 403
246
31.0
Warta
Oder
54 520
795
216.0
Note´ c
Warta
17 302
391
76.6
Pars˛ eta
Baltic sea 3 084
143
29.1
Łyna
Pregolya 7 126
264
34.7
Table 4.3 Main muliti-aquifer formations in Poland and related disposable groundwater resources
[13]
Resources
Area
Disposable
resources
Disposable
resources in main
groundwaters
reservoirs
Approved
resources (as of
31st December
2001)
Resources
(km 3 ·rok −1 )
12.5
7.35
16.17
Multiaquifer
formation
Thousands km 2
%
Quaternary
234
65.0
51.3
65.9
Neogene
191
11.0
5.5
10.1
Cretaceous
70
13.0
23.1
13.5
Jurassic
60
5.0
11.7
10.5
Triassic
15
3.0
7.1
Older
formations
3.0
2.3