| Trophic state | Total P (mg∙m−3) | Total N (mg∙m−3) |
Lakes | Oligotrophic | <10 | < 350 |
Mesotrophic | 10 - 30 | 350 - 650 | |
Eutrophic | 30 - 100 | 650 - 1200 | |
Hypereutrophic | >100 | >1200 | |
Streams | Oligotrophic | <25 | <700 |
Mesotrophic | 25 - 75 | 700 - 1500 | |
Eutrophic | >75 | >1500 | |
Marine | Oligotrophic | <10 | <260 |
Mesotrophic | 10 - 30 | 260 - 350 | |
Eutrophic | 30 - 40 | 350 - 400 | |
Hypereutrophic | >40 | >400 |