| Location | Type | I (high) | II (good) | III (moderate) | IV (poor) | V (bad) |
|---|---|---|---|---|---|---|
| Northern (6) | BOD | 33 | 67 | 0 | 0 | 0 |
| Akhuryan (5) | BOD | 40 | 40 | 20 | 0 | 0 |
| Hrazdan (8) | BOD | 25 | 63 | 0 | 0 | 13 |
| Sevan (12) | BOD | 100 | 0 | 0 | 0 | 0 |
| Araratyan (2) | BOD | 50 | 50 | 0 | 0 | 0 |
| Southern (12) | BOD | 58 | 42 | 0 | 0 | 0 |
| Northern (6) | Ammonium | 50 | 17 | 17 | 0 | 17 |
| Akhuryan (5) | Ammonium | 0 | 20 | 40 | 40 | 0 |
| Hrazdan (8) | Ammonium | 50 | 13 | 0 | 0 | 38 |
| Sevan (12) | Ammonium | 83 | 8 | 0 | 8 | 0 |
| Araratyan (2) | Ammonium | 100 | 0 | 0 | 0 | 0 |
| Southern (12) | Ammonium | 67 | 8 | 8 | 0 | 17 |