Location Type I (high) II (good) III (moderate) IV (poor) V (bad)
Northern (6) PO4 33 50 17 0 0
Akhuryan (5) PO4 0 0 40 60 0
Hrazdan (8) PO4 13 0 50 25 13
Sevan (12) PO4 33 42 17 8 0
Araratyan (2) PO4 100 0 0 0 0
Southern (12) PO4 58 8 25 0 8
Northern (6) NO3 0 67 33 0 0
Akhuryan (5) NO3 0 60 40 0 0
Hrazdan (8) NO3 25 50 13 13 0
Sevan (12) NO3 67 25 8 0 0
Araratyan (2) NO3 100 0 0 0 0
Southern (12) NO3 83 17 0 0 0