Watersheds

Nitrate

Nitrite

Season

Pre-Monsoon

Post-Monsoon

Pre-monsoon

Post-Monsoon

Middle Karnali

7.45 ± 0.13

2.64 ± 4.03

0.03 ± 0.01

0.15 ± 0.20

Rangun

9.58 ± 11.36

2.17 ± 1.27

0.003 ± 0.01

0.17 ± 0.17

Thuligad

9.72 ± 11.94

1.27 ± 0.98

0.001 ± 0.01

0.11 ± 0.13

Bogatan-Lagam

3.19 ± 4.97

3.70 ± 7.25

0.01 ± 0.01

0.06 ± 0.12

Jhimruk

3.50 ± 4.05

2.98 ± 2.31

0.01 ± 0.02

0.04 ± 0.05