Waste water, municipal. Treatment plants, -methods and -capacity

1   Treatment plants divided on treatment method. Number and hydraulic capacity (1000 PE), by county. 2000
County/region Total1 Direct discharges Mechanical Biological Chemical Chemical/biological Other treatment Separate treatment plants
Number Capacity Number Capacity Number Capacity Number Capacity Number Capacity Number Capacity Number Capacity Number
Total 3 452 6 257 570 541 1 653 1 750 124 71 252 2 194 323 1 574 530 127 317 946
North Sea counties (1-10) 916 3 425 3 15 69 181 28 38 202 1 654 246 1 476 368 76 138 749
Rest of the counties (11-20) 2 536 2 291 567 526 1 584 1 569 96 34 50 540 77 97 162 51 179 197
1. Østfold 57 354 1 0 8 1 3 1 12 329 24 23 9 1 13 731
2. Akershus 52 1 019 0 0 0 0 2 0 29 270 19 748 2 0 20 412
3. Oslo 9 351 0 0 0 0 1 0 0 0 2 350 6 1 631
4. Hedmark 130 220 0 0 0 0 2 1 26 85 39 108 63 25 30 329
5. Oppland 218 276 0 0 6 1 0 0 21 85 76 173 115 17 12 828
6. Buskerud 188 327 0 0 6 1 1 0 46 275 23 30 112 21 20 064
7. Vestfold 34 267 0 0 2 43 0 0 10 210 20 14 2 0 14 647
8. Telemark 108 251 0 0 9 6 12 12 30 214 18 13 39 6 11 055
9. Aust-Agder 50 152 0 0 12 85 2 22 16 34 11 8 9 3 6 447
10. Vest-Agder 70 224 2 15 26 44 5 2 12 153 14 8 11 2 8 605
11. Rogaland 291 553 5 12 237 233 10 2 15 283 3 1 21 21 14 219
12. Hordaland 361 525 25 36 293 393 9 3 5 67 16 25 13 1 40 132
14. Sogn og Fjordane 244 126 49 27 143 87 11 4 3 0 7 5 31 3 16 100
15. Møre og Romsdal 571 395 261 167 287 201 4 1 1 20 2 3 16 3 24 955
16. Sør-Trøndelag 124 390 8 17 56 207 18 4 6 138 15 20 21 3 20 104
17. Nord-Trøndelag 158 171 3 2 89 117 22 11 9 22 21 14 14 4 12 135
18. Nordland 452 331 46 110 354 206 15 7 6 3 3 2 28 3 27 088
19. Troms 171 214 64 84 87 99 6 1 2 5 5 16 7 10 19 834
20. Finnmark 164 115 106 70 38 28 1 0 3 2 5 11 11 3 4 630
1  Separate treatment plants are not included.

Explanation of symbols