Table 1.
| Name of lake | Code in [5] | Main surrounding of lake | Trophic status | pH | Ca conc. (mgCa/dm3) | Hydro-logical status | Drain Basin area (ha) | Lake area (ha) | Water volume (103 m3) | Max. depth (m) | Mean depth (m) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Aszarynis | 682 | F | O | 8 | 8.6 | Endoreic | 3.8 | 12.6 | 454 | 7.8 | 3.6 |
| Białe Filipowskie | 583 | A | O | 8.3 | 33.6 | Endoreic | 4.8 | 132.4 | 22,662 | 52 | 17.1 |
| Białe Wigierskie | 622 | F | O | 8.3 | 30.7 | Outflow | 2 | 100.2 | 13,194 | 34 | 13.2 |
| Brożane | 651 | F | E | 8.3 | 47.8 | Transit | 27.4 | 44.6 | 2998 | 24.3 | 6.7 |
| Dębniak | – | F | E | – | – | Outflow | 0.5 | 6.6 | 0.26 | 7.7 | 3.9 |
| Dobskie | 75 | A | M | 8.4 | 39.3 | Transit | 108 | 162.5 | 18,026 | 43.3 | 11.1 |
| Gaładuś | 611 | A | M | 8.7 | 42.8 | Outflow | 85.5 | 728.6 | 92,475 | 54.8 | 12.7 |
| Garbaś | 105 | F | M | 8.8 | 40.7 | Outflow | 6.2 | 42.5 | 4343 | 38 | 10.2 |
| Guzki | 119 | A | E | 8.7 | 48.6 | Transit | 1.2 | 23.3 | 865 | 6 | 3.7 |
| Jałówek | – | A | E | – | – | Outflow | – | – | – | – | – |
| Jałowo | 602 | A | M | 8.3 | 46.4 | Endoreic | – | 20.1 | 1367 | 16.1 | 6.8 |
| Jędzelewo | 102 | F | E | 8.7 | 63.5 | Transit | 213.9 | 150.3 | 4967 | 13.1 | 3.2 |
| Krzywe | 657 | F | E | 8.2 | 52.8 | Transit | – | 21.6 | 499 | 6 | 2.3 |
| Lepaki Wielkie | 120 | A | E | 8.3 | 69.3 | Transit | 4.8 | 19.7 | 808 | 8 | 4.1 |
| Oleckie Wielkie | 45 | A | E | 8 | 56.4 | Transit | 124.8 | 227.3 | 37,912 | 45.2 | 16.7 |
| Płaskie | 650 | F | M | 8.2 | 35.7 | Endoreic | 2.3 | 56.8 | 2854 | 12 | 5 |
| Pobojno | 655 | F | E | 8.4 | 62.1 | Endoreic | 4 | 23.6 | 716 | 6.2 | 3 |
| Rajgrodzkie | 52 | F | E | 8 | 57.8 | Artifitial transit | 696.4 | 1503.2 | 142,623 | 52 | 9.4 |
| Rogale Duże | 246 | A | E | 8.5 | 48.8 | Outflow | 3.8 | 31.7 | 2275 | 22.1 | 7.2 |
| Sawinda Wielka | 115 | F | E | 8.5 | 70 | Outflow | 34.1 | 224.8 | 10,554 | 9.5 | 4.7 |
| Serwy | 652 | A | M | 8.6 | 41.7 | Artifitial outflow | 54.7 | 460.3 | 67,182 | 41.5 | 14.6 |
| Sumowo | 601 | A | M | 8.1 | 52.1 | Transit | 190.5 | 30 | 662 | 8 | 2.2 |
| Sunnowo | 118 | A | M | 8.3 | 50.7 | Transit | 73.3 | 176.3 | 16,456 | 20.6 | 9.3 |
| Szelment Wielki | 606 | A | M | 8.3 | 46.4 | Outflow | 54.1 | 356.1 | 53,492 | 45 | 15 |
| Tajty | 131 | F | E | 8.6 | 48.6 | Transit | – | 265.1 | 19,826 | 34 | 7.5 |
| Tobołowo | 24 | F | E | 8.3 | 37.1 | Endoreic | 17.4 | 51.4 | 2107 | 9.4 | 4.1 |
| Toczyłowo | 124 | F | E | 8.7 | 78.5 | Artifitial. Outflow. | 60 | 101.8 | 4864 | 9.9 | 4.8 |
| Wiżajny | 579 | A | E | 7.9 | 31.4 | Transit | 13.4 | 293.1 | 7746 | 5.3 | 2.6 |
| Zawadzkie | 91 | A | E | 8.3 | 50 | Outflow | 7.6 | 96.2 | 2605 | 9.7 | 2.7 |
A agricultural, F forests, E eutrophic, M mesotrophic, O oligotrophic