Whole country | Biological Oxygen Demand (BOD7) | | .. | 11 250 | 5 711 | 4 481 | 4 174 | 3 838 | 3 122 | 2 308 | 2 051 | 1 674 | 1 480 | 1 657 | 1 562 | 1 399 | 1 366 | 1 160 | 1 199 | 1 137 | 1 214 | 937 | 720 | 814 | 663 | 670 | 842 | 1 051 | 1 020 | 1 050 | 894 |
Chemical Oxygen Demand (COD-Cr) | | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | 12 693 | 14 435 | 12 658 | 14 319 | 7 717 | 7 171 | 6 651 | 7 667 | 7 749 | 8 791 | 9 444 | 10 646 | 10 956 | 9 725 |
Suspended solids | | 19 294 | 13 743 | 9 221 | 7 490 | 6 330 | 5 641 | 4 856 | 4 071 | 3 142 | 2 504 | 2 661 | 2 670 | 2 972 | 2 636 | 2 727 | 3 185 | 4 959 | 3 780 | 3 402 | 3 383 | 2 895 | 2 461 | 2 254 | 2 164 | 2 687 | 2 661 | 2 321 | 2 300 | 2 003 |
Total nitrogen | | 5 635 | 4 241 | 3 614 | 3 503 | 3 200 | 3 173 | 2 976 | 2 739 | 2 810 | 3 148 | 2 591 | 2 348 | 2 241 | 1 771 | 1 621 | 1 646 | 1 859 | 1 751 | 1 770 | 1 890 | 1 612 | 1 228 | 1 138 | 1 029 | 1 221 | 1 306 | 1 201 | 1 338 | 1 178 |
Total phosphorus | | 673 | 445 | 353 | 321 | 304 | 303 | 279 | 256 | 230 | 192 | 183 | 175 | 170 | 146 | 146 | 138 | 146 | 146 | 114 | 110 | 100 | 66 | 59 | 55 | 59 | 58 | 54 | 58 | 57 |
Oil products | | 154 | 127 | 76 | 93 | 70 | 83 | 68 | 52 | 39 | 38 | 26 | 55 | 65 | 79 | 39 | 34 | 46 | 31 | 16 | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. |
Harju county | Biological Oxygen Demand (BOD7) | | .. | 5 910 | 1 569 | 777 | 759 | 575 | 533 | 467 | 433 | 402 | 370 | 354 | 431 | 387 | 389 | 311 | 340 | 279 | 242 | 211 | 221 | 237 | 199 | 255 | 332 | 358 | 336 | 355 | 271 |
Chemical Oxygen Demand (COD-Cr) | | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | 2 449 | 2 904 | 2 035 | 1 777 | 2 292 | 2 477 | 2 003 | 2 129 | 2 242 | 2 747 | 2 678 | 2 585 | 2 618 | 2 660 |
Suspended solids | | 9 927 | 6 805 | 2 056 | 1 239 | 982 | 887 | 927 | 742 | 671 | 253 | 577 | 608 | 1 024 | 820 | 815 | 811 | 843 | 813 | 755 | 748 | 727 | 543 | 506 | 587 | 716 | 784 | 631 | 707 | 630 |
Total nitrogen | | 2 351 | 1 589 | 1 198 | 1 314 | 1 159 | 1 099 | 1 017 | 886 | 821 | 860 | 816 | 901 | 1 015 | 746 | 532 | 609 | 765 | 684 | 657 | 644 | 472 | 413 | 429 | 420 | 439 | 476 | 415 | 432 | 430 |
Total phosphorus | | 197 | 169 | 92 | 82 | 81 | 89 | 107 | 94 | 83 | 64 | 57 | 58 | 63 | 59 | 51 | 56 | 66 | 54 | 56 | 58 | 50 | 28 | 26 | 25 | 29 | 28 | 24 | 25 | 25 |
Oil products | | 111 | 107 | 56 | 51 | 44 | 64 | 46 | 38 | 31 | 28 | 2 | 32 | 52 | 39 | 25 | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. |
Hiiu county | Biological Oxygen Demand (BOD7) | | .. | 80 | 69 | 23 | 22 | 14 | 20 | 13 | 13 | 9 | 12 | 7 | 8 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 2 | 2 | 1 | 3 | 3 | 3 |
Chemical Oxygen Demand (COD-Cr) | | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | 16 | 14 | 10 | 9 | 10 | 12 | 10 | 5 | 5 | 8 | 6 | 27 | 58 | 55 |
Suspended solids | | 87 | 36 | 26 | 14 | 11 | 8 | 14 | 7 | 6 | 6 | 9 | 7 | 7 | 5 | 17 | 4 | 4 | 3 | 4 | 3 | 23 | 18 | 19 | 22 | 34 | 20 | 3 | 6 | 6 |
Total nitrogen | | 17 | 15 | 10 | 11 | 8 | 9 | 9 | 8 | 6 | 9 | 7 | 7 | 7 | 7 | 28 | 4 | 3 | 4 | 3 | 2 | 3 | 5 | 6 | 6 | 6 | 2 | 3 | 4 | 3 |
Total phosphorus | | 5 | 4 | 3 | 3 | 2 | 2 | 2 | 7 | 3 | 3 | 2 | 2 | 2 | 2 | 9 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Oil products | | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. |
Ida-Viru county | Biological Oxygen Demand (BOD7) | | .. | 1 870 | 1 479 | 1 527 | 1 368 | 1 656 | 1 348 | 912 | 683 | 581 | 425 | 641 | 592 | 525 | 479 | 433 | 430 | 458 | 623 | 455 | 214 | 190 | 186 | 143 | 208 | 314 | 305 | 324 | 287 |
Chemical Oxygen Demand (COD-Cr) | | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | 6 076 | 7 217 | 7 351 | 9 337 | 2 451 | 2 040 | 1 667 | 2 131 | 1 771 | 2 171 | 2 716 | 3 589 | 3 967 | 3 290 |
Suspended solids | | 4 767 | 3 706 | 3 804 | 4 146 | 3 273 | 3 132 | 2 858 | 2 540 | 1 721 | 1 543 | 1 453 | 1 440 | 1 431 | 1 352 | 1 142 | 1 731 | 3 470 | 2 266 | 2 066 | 2 035 | 1 539 | 1 244 | 1 177 | 1 004 | 1 347 | 1 182 | 1 040 | 918 | 731 |
Total nitrogen | | 1 799 | 1 701 | 1 482 | 1 380 | 1 175 | 1 400 | 1 323 | 1 170 | 1 396 | 1 756 | 1 226 | 944 | 697 | 556 | 630 | 586 | 704 | 561 | 667 | 876 | 746 | 372 | 336 | 255 | 389 | 424 | 386 | 435 | 356 |
Total phosphorus | | 241 | 102 | 85 | 86 | 67 | 67 | 56 | 40 | 41 | 38 | 39 | 35 | 36 | 24 | 20 | 32 | 31 | 23 | 20 | 17 | 15 | 10 | 10 | 7 | 8 | 8 | 8 | 9 | 14 |
Oil products | | 27 | 13 | 13 | 32 | 17 | 15 | 17 | 10 | 7 | 8 | 23 | 23 | 11 | 40 | 13 | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. |
Jõgeva county | Biological Oxygen Demand (BOD7) | | .. | 200 | 321 | 226 | 167 | 100 | 93 | 102 | 85 | 41 | 25 | 17 | 27 | 47 | 15 | 11 | 14 | 15 | 17 | 15 | 16 | 21 | 15 | 13 | 14 | 14 | 11 | 16 | 12 |
Chemical Oxygen Demand (COD-Cr) | | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | 4 | 104 | 28 | 89 | 88 | 75 | 50 | 137 | 217 | 91 | 143 | 68 | 190 | 116 |
Suspended solids | | 248 | 237 | 288 | 206 | 165 | 108 | 70 | 76 | 59 | 29 | 21 | 18 | 27 | 23 | 25 | 19 | 27 | 31 | 31 | 28 | 24 | 47 | 51 | 39 | 33 | 48 | 33 | 49 | 50 |
Total nitrogen | | 89 | 68 | 101 | 66 | 73 | 43 | 38 | 37 | 32 | 24 | 17 | 23 | 23 | 20 | 17 | 16 | 18 | 17 | 14 | 16 | 17 | 44 | 16 | 17 | 14 | 15 | 18 | 22 | 19 |
Total phosphorus | | 15 | 13 | 18 | 11 | 14 | 9 | 9 | 9 | 11 | 7 | 5 | 7 | 5 | 5 | 4 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 |
Oil products | | 0 | 0 | .. | .. | 0 | 0 | 0 | .. | .. | .. | .. | .. | .. | .. | 0 | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. |
Järva county | Biological Oxygen Demand (BOD7) | | .. | 110 | 76 | 61 | 64 | 59 | 47 | 32 | 37 | 26 | 25 | 38 | 31 | 33 | 30 | 30 | 24 | 18 | 17 | 15 | 12 | 9 | 9 | 10 | 8 | 5 | 7 | 7 | 7 |
Chemical Oxygen Demand (COD-Cr) | | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | 66 | 122 | 115 | 81 | 108 | 59 | 53 | 58 | 51 | 43 | 63 | 67 | 73 | 77 |
Suspended solids | | 321 | 128 | 189 | 119 | 200 | 86 | 50 | 41 | 44 | 36 | 35 | 33 | 23 | 21 | 26 | 27 | 30 | 19 | 26 | 30 | 23 | 16 | 16 | 16 | 14 | 32 | 29 | 19 | 34 |
Total nitrogen | | 93 | 57 | 37 | 40 | 52 | 39 | 36 | 32 | 25 | 21 | 25 | 22 | 22 | 22 | 14 | 15 | 15 | 17 | 21 | 19 | 16 | 15 | 19 | 18 | 19 | 16 | 17 | 20 | 25 |
Total phosphorus | | 22 | 10 | 10 | 13 | 13 | 9 | 7 | 5 | 5 | 5 | 6 | 5 | 4 | 5 | 4 | 4 | 3 | 4 | 3 | 4 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
Oil products | | .. | .. | .. | 0 | .. | 0 | 0 | .. | .. | .. | .. | .. | 0 | .. | 0 | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. |
Lääne county | Biological Oxygen Demand (BOD7) | | .. | 280 | 117 | 85 | 82 | 74 | 35 | 19 | 18 | 15 | 10 | 10 | 11 | 19 | 15 | 12 | 10 | 8 | 7 | 7 | 16 | 14 | 8 | 9 | 16 | 18 | 15 | 11 | 7 |
Chemical Oxygen Demand (COD-Cr) | | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | 3 | 0 | 0 | 13 | 9 | 10 | 11 | 23 | 37 | 40 | 43 | 38 | 37 | 46 |
Suspended solids | | 85 | 284 | 138 | 54 | 54 | 50 | 19 | 11 | 11 | 9 | 12 | 11 | 18 | 15 | 18 | 17 | 19 | 52 | 11 | 35 | 55 | 78 | 50 | 34 | 43 | 41 | 39 | 30 | 11 |
Total nitrogen | | 33 | 19 | 35 | 28 | 33 | 29 | 20 | 21 | 24 | 23 | 28 | 29 | 26 | 25 | 30 | 21 | 12 | 12 | 12 | 8 | 11 | 12 | 10 | 10 | 11 | 13 | 15 | 13 | 10 |
Total phosphorus | | 8 | 6 | 7 | 5 | 7 | 5 | 3 | 2 | 4 | 2 | 3 | 3 | 3 | 2 | 3 | 2 | 1 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
Oil products | | 0 | 0 | 0 | 2 | 2 | 1 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. |
Lääne-Viru county | Biological Oxygen Demand (BOD7) | | .. | 510 | 483 | 371 | 298 | 178 | 161 | 162 | 91 | 67 | 55 | 78 | 68 | 55 | 145 | 134 | 161 | 101 | 114 | 79 | 72 | 122 | 92 | 71 | 73 | 151 | 145 | 123 | 132 |
Chemical Oxygen Demand (COD-Cr) | | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | 2 823 | 2 177 | 1 717 | 1 846 | 1 809 | 1 471 | 1 773 | 2 034 | 2 007 | 2 027 | 1 870 | 1 988 | 2 062 | 1 952 |
Suspended solids | | 1 042 | 870 | 950 | 283 | 212 | 211 | 137 | 132 | 70 | 116 | 99 | 70 | 82 | 64 | 264 | 252 | 253 | 194 | 208 | 220 | 182 | 154 | 139 | 127 | 160 | 139 | 119 | 83 | 118 |
Total nitrogen | | 306 | 143 | 81 | 103 | 102 | 95 | 103 | 82 | 59 | 58 | 43 | 37 | 49 | 66 | 71 | 72 | 92 | 69 | 66 | 72 | 77 | 56 | 58 | 63 | 93 | 80 | 69 | 80 | 87 |
Total phosphorus | | 36 | 34 | 26 | 19 | 24 | 22 | 13 | 17 | 10 | 8 | 10 | 11 | 7 | 9 | 10 | 8 | 12 | 7 | 6 | 6 | 5 | 3 | 3 | 2 | 3 | 3 | 4 | 4 | 3 |
Oil products | | 1 | 1 | 3 | 1 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. |
Põlva county | Biological Oxygen Demand (BOD7) | | .. | 50 | 37 | 21 | 24 | 50 | 30 | 28 | 24 | 20 | 17 | 22 | 12 | 15 | 10 | 10 | 9 | 17 | 10 | 6 | 5 | 6 | 6 | 6 | 7 | 6 | 5 | 7 | 4 |
Chemical Oxygen Demand (COD-Cr) | | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | 25 | 27 | 19 | 38 | 34 | 43 | 35 | 32 | 28 | 34 | 23 | 27 | 38 | 22 |
Suspended solids | | 59 | 72 | 43 | 39 | 48 | 85 | 39 | 30 | 27 | 28 | 16 | 19 | 13 | 13 | 16 | 17 | 13 | 13 | 16 | 10 | 10 | 11 | 10 | 9 | 8 | 8 | 9 | 11 | 19 |
Total nitrogen | | 42 | 33 | 30 | 20 | 31 | 32 | 21 | 15 | 15 | 16 | 13 | 12 | 9 | 12 | 9 | 10 | 17 | 10 | 11 | 9 | 9 | 9 | 9 | 10 | 9 | 8 | 9 | 10 | 7 |
Total phosphorus | | 13 | 9 | 9 | 7 | 9 | 13 | 7 | 4 | 3 | 4 | 3 | 3 | 2 | 3 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
Oil products | | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | 0 | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. |
Pärnu county | Biological Oxygen Demand (BOD7) | | .. | 260 | 208 | 140 | 288 | 98 | 91 | 96 | 156 | 74 | 78 | 70 | 77 | 70 | 61 | 47 | 54 | 44 | 38 | 30 | 30 | 49 | 41 | 59 | 60 | 60 | 76 | 63 | 55 |
Chemical Oxygen Demand (COD-Cr) | | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | 352 | 375 | 275 | 315 | 271 | 264 | 329 | 255 | 375 | 407 | 495 | 437 | 441 | 426 |
Suspended solids | | 82 | 25 | 232 | 215 | 241 | 151 | 123 | 113 | 170 | 117 | 44 | 100 | 99 | 99 | 168 | 77 | 68 | 41 | 69 | 82 | 110 | 126 | 113 | 151 | 141 | 177 | 153 | 155 | 177 |
Total nitrogen | | 78 | 72 | 73 | 56 | 94 | 51 | 54 | 56 | 53 | 43 | 42 | 46 | 39 | 41 | 39 | 48 | 54 | 46 | 42 | 51 | 55 | 52 | 45 | 54 | 53 | 69 | 63 | 66 | 61 |
Total phosphorus | | 28 | 15 | 13 | 11 | 14 | 12 | 13 | 11 | 12 | 9 | 8 | 9 | 9 | 7 | 7 | 7 | 6 | 5 | 5 | 5 | 5 | 4 | 3 | 3 | 3 | 3 | 3 | 3 | 3 |
Oil products | | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. |
Rapla county | Biological Oxygen Demand (BOD7) | | .. | 50 | 52 | 61 | 78 | 62 | 56 | 70 | 95 | 76 | 70 | 52 | 47 | 71 | 55 | 54 | 35 | 20 | 13 | 11 | 18 | 17 | 13 | 6 | 8 | 11 | 14 | 14 | 17 |
Chemical Oxygen Demand (COD-Cr) | | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | 179 | 479 | 377 | 58 | 52 | 76 | 97 | 95 | 89 | 109 | 128 | 105 | 117 | 97 |
Suspended solids | | 134 | 70 | 69 | 60 | 55 | 61 | 66 | 59 | 57 | 47 | 48 | 31 | 27 | 27 | 26 | 31 | 24 | 25 | 14 | 12 | 20 | 20 | 13 | 14 | 17 | 30 | 26 | 29 | 33 |
Total nitrogen | | 70 | 51 | 46 | 34 | 31 | 25 | 23 | 28 | 30 | 23 | 18 | 27 | 26 | 42 | 52 | 71 | 34 | 33 | 12 | 11 | 14 | 18 | 20 | 19 | 22 | 19 | 19 | 19 | 22 |
Total phosphorus | | 3 | 5 | 5 | 4 | 4 | 4 | 3 | 4 | 6 | 4 | 3 | 4 | 4 | 4 | 5 | 6 | 3 | 3 | 1 | 1 | 4 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 |
Oil products | | .. | 0 | .. | .. | .. | .. | 0 | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. |
Saare county | Biological Oxygen Demand (BOD7) | | .. | 130 | 102 | 99 | 67 | 93 | 63 | 48 | 33 | 44 | 27 | 30 | 36 | 26 | 21 | 22 | 21 | 19 | 22 | 17 | 18 | 21 | 18 | 22 | 30 | 33 | 14 | 12 | 9 |
Chemical Oxygen Demand (COD-Cr) | | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | 152 | 91 | 80 | 119 | 96 | 112 | 66 | 327 | 451 | 512 | 700 | 182 | 157 | 125 |
Suspended solids | | 53 | 109 | 66 | 48 | 51 | 134 | 50 | 45 | 43 | 38 | 37 | 33 | 31 | 34 | 22 | 35 | 40 | 83 | 29 | 25 | 26 | 37 | 35 | 32 | 33 | 46 | 19 | 17 | 12 |
Total nitrogen | | 67 | 48 | 53 | 56 | 59 | 48 | 55 | 55 | 50 | 44 | 33 | 23 | 27 | 21 | 19 | 30 | 19 | 52 | 24 | 24 | 26 | 32 | 27 | 23 | 22 | 27 | 23 | 28 | 19 |
Total phosphorus | | 11 | 11 | 10 | 10 | 10 | 15 | 13 | 12 | 7 | 8 | 4 | 4 | 4 | 5 | 4 | 3 | 4 | 19 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 2 | 1 | 1 | 1 |
Oil products | | .. | .. | .. | 0 | 0 | 0 | .. | 0 | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. |
Tartu county | Biological Oxygen Demand (BOD7) | | .. | 1 440 | 906 | 867 | 777 | 677 | 432 | 167 | 227 | 231 | 286 | 270 | 135 | 93 | 93 | 55 | 46 | 89 | 77 | 57 | 59 | 64 | 43 | 50 | 56 | 47 | 53 | 83 | 46 |
Chemical Oxygen Demand (COD-Cr) | | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | 413 | 614 | 476 | 549 | 372 | 403 | 385 | 312 | 369 | 508 | 450 | 405 | 709 | 490 |
Suspended solids | | 1 996 | 1 169 | 1 074 | 850 | 849 | 512 | 357 | 164 | 168 | 193 | 228 | 232 | 111 | 107 | 117 | 103 | 76 | 136 | 112 | 96 | 97 | 84 | 69 | 85 | 91 | 92 | 136 | 183 | 72 |
Total nitrogen | | 354 | 198 | 192 | 213 | 212 | 145 | 142 | 221 | 177 | 177 | 223 | 177 | 208 | 122 | 103 | 83 | 71 | 148 | 158 | 94 | 109 | 139 | 107 | 93 | 91 | 105 | 106 | 151 | 88 |
Total phosphorus | | 55 | 35 | 42 | 40 | 29 | 27 | 21 | 26 | 23 | 24 | 28 | 19 | 17 | 11 | 9 | 8 | 6 | 13 | 10 | 6 | 7 | 7 | 4 | 5 | 5 | 4 | 5 | 7 | 3 |
Oil products | | 7 | 1 | 2 | 4 | 4 | 2 | 4 | 1 | 1 | 0 | 0 | 0 | 0 | .. | 0 | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. |
Valga county | Biological Oxygen Demand (BOD7) | | .. | 80 | 80 | 68 | 56 | 87 | 108 | 98 | 90 | 30 | 19 | 18 | 20 | 16 | 17 | 8 | 23 | 36 | 5 | 7 | 7 | 37 | 6 | 7 | 7 | 8 | 7 | 8 | 12 |
Chemical Oxygen Demand (COD-Cr) | | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | 65 | 189 | 53 | 4 | 33 | 23 | 93 | 50 | 32 | 29 | 40 | 39 | 57 | 60 |
Suspended solids | | 98 | 40 | 67 | 64 | 59 | 80 | 49 | 41 | 33 | 22 | 16 | 16 | 15 | 17 | 19 | 12 | 41 | 52 | 12 | 13 | 12 | 45 | 13 | 11 | 12 | 13 | 17 | 17 | 26 |
Total nitrogen | | 86 | 59 | 69 | 63 | 59 | 65 | 61 | 55 | 52 | 29 | 25 | 20 | 23 | 18 | 18 | 13 | 17 | 36 | 14 | 15 | 15 | 20 | 12 | 13 | 14 | 13 | 12 | 17 | 12 |
Total phosphorus | | 15 | 11 | 12 | 10 | 10 | 11 | 11 | 11 | 10 | 6 | 4 | 4 | 4 | 3 | 12 | 1 | 2 | 5 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
Oil products | | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | .. | .. | .. | .. | 0 | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. |
Viljandi county | Biological Oxygen Demand (BOD7) | | .. | 220 | 159 | 121 | 81 | 58 | 53 | 47 | 45 | 40 | 46 | 36 | 49 | 19 | 16 | 15 | 12 | 12 | 12 | 11 | 16 | 14 | 16 | 13 | 15 | 14 | 20 | 16 | 19 |
Chemical Oxygen Demand (COD-Cr) | | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | 35 | 44 | 47 | 23 | 32 | 44 | 37 | 39 | 51 | 31 | 42 | 1 024 | 171 | 152 |
Suspended solids | | 319 | 132 | 167 | 113 | 88 | 79 | 60 | 40 | 40 | 45 | 46 | 33 | 42 | 18 | 19 | 21 | 22 | 21 | 18 | 21 | 24 | 24 | 27 | 20 | 26 | 30 | 41 | 34 | 46 |
Total nitrogen | | 188 | 139 | 166 | 73 | 65 | 44 | 36 | 40 | 38 | 31 | 41 | 38 | 33 | 37 | 22 | 32 | 20 | 22 | 26 | 21 | 18 | 25 | 27 | 17 | 21 | 21 | 31 | 27 | 23 |
Total phosphorus | | 12 | 12 | 14 | 13 | 12 | 9 | 7 | 7 | 8 | 7 | 8 | 8 | 8 | 4 | 3 | 2 | 2 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 1 |
Oil products | | 7 | 5 | 2 | 1 | 2 | 1 | 1 | 1 | 0 | 1 | 1 | .. | 1 | .. | 1 | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. |
Võru county | Biological Oxygen Demand (BOD7) | | .. | 60 | 53 | 34 | 43 | 57 | 52 | 47 | 21 | 18 | 15 | 14 | 18 | 18 | 18 | 16 | 17 | 18 | 15 | 14 | 13 | 10 | 8 | 6 | 7 | 13 | 12 | 9 | 11 |
Chemical Oxygen Demand (COD-Cr) | | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | 35 | 76 | 76 | 60 | 60 | 61 | 44 | 40 | 24 | 34 | 47 | 65 | 260 | 157 |
Suspended solids | | 76 | 60 | 52 | 40 | 42 | 57 | 37 | 30 | 22 | 22 | 19 | 19 | 21 | 21 | 32 | 28 | 29 | 32 | 32 | 23 | 21 | 15 | 16 | 14 | 13 | 20 | 26 | 41 | 37 |
Total nitrogen | | 62 | 49 | 41 | 46 | 47 | 49 | 38 | 33 | 32 | 34 | 34 | 42 | 38 | 38 | 38 | 35 | 20 | 39 | 43 | 28 | 20 | 15 | 16 | 13 | 17 | 17 | 14 | 14 | 15 |
Total phosphorus | | 12 | 9 | 7 | 7 | 8 | 9 | 7 | 7 | 4 | 3 | 3 | 3 | 4 | 3 | 4 | 3 | 3 | 3 | 3 | 2 | 2 | 1 | 1 | 1 | 2 | 2 | 2 | 1 | 1 |
Oil products | | 0 | .. | .. | 1 | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | 0 | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. | .. |