Statistics Norway

Municipal waste water treatment. Discharges, treatment efficiencies and sludge disposal

1   Number of municipal treatment plants, by county. 2002
County/region Total1 Direct discharges Mechanical Chemical Biological Chemical-biological Other treatment Small treatment plants (<50 P.E)
Total 2001 2 639  700  976  256  125  299  283  336 321
Total 2002 2 530  570 1 027  250  129  278  276  340 204
                 
North Sea counties (1-10)  628 10 35  202 32  209  140  177 230
Rest of the counties (11-20) 1 902  560  992 48 97 69  136  162 974
                 
Østfold 36 0 1 11 1 20 3 16 791
Akershus og Oslo 58 3 1 29 1 16 8 24 166
Hedmark 95 3 0 32 3 36 21 34 047
Oppland  157 0 4 13 3 64 73 30 340
Buskerud 76 0 1 41 0 18 16 18 241
Vestfold 39 0 2 12 2 18 5 21 598
Telemark 66 0 1 30 12 14 9 12 190
Aust-Agder 38 0 6 17 2 12 1 11 243
Vest-Agder 63 4 19 17 8 11 4 8 614
Rogaland  195 17  130 12 8 4 24 20 406
Hordaland  331 39  236 3 22 12 19 30 637
Sogn og Fjordane  186 27  136 3 10 8 2 12 347
Møre og Romsdal  496  214  240 4 2 4 32 22 813
Sør-Trøndelag  102 4 43 7 20 11 17 19 555
Nord-Trøndelag  106 9 33 9 19 21 15 13 850
Nordland  249  123 91 4 12 2 17 25 440
Troms  124 52 58 4 2 3 5 10 817
Finnmark Finnmárku  113 75 25 2 2 4 5 7 109
1  Small treatment plants are not included.

Explanation of symbols