| Location-wise Water Quality Status of River Teesta, Dikchu, Maney Khola, Ranichu, Kundli, Dikhow, Kohora, Boginadi, Ranga, Pachnai, Kapili, Beki, Sankosh, Barak, Sonai, Kushiyara and Karola in India - Part II (2010) | |||||||||
| Locations | B.O.D. (mg/l) | Nitrate-N (mg/l) | Nitrite-N (mg/l) | ||||||
| Min | Max | Mean | Min | Max | Mean | Min | Max | Mean | |
| < 3 mg/l | |||||||||
| Water Quality Criteria | |||||||||
| River Teesta A/C of Rivers Lachenchu and Lachungchu at Chungthaang | |||||||||
| River Teesta After Confluence with River Ranichu at Singtam | |||||||||
| River Teesta A/C with Rangichu After Meeting the Industrial Effluents From the Town Ra | |||||||||
| River Teesta at Melli Downstream, Sikkim | |||||||||
| Teesta at Siliguri | |||||||||
| River Dikchu B/C with River Teesta Near Nhpc Hydroelectric Power Project, Sikkim | |||||||||
| River Maney Khola at Burtuk Near Army Base Camp, 4 Km U/S of Gangtok, Sikkim | |||||||||
| River Maney Khola A/C with Ray Khola at Adampool After Meeting Waste of Stp, Gangtok | |||||||||
| After Confluence of Ranichu and Rorachu at Ranipool, Sikkim | |||||||||
| Ranichu Before Confluence with River Teesta at Singtam, Sikkim | |||||||||
| Kundli River at Kundli/ Sapakhowa, Sadia. | |||||||||
| Dikhow River at Dikhow Bridge Sivasagar | |||||||||
| Kohora River at N.H. Crossing, Kohora | |||||||||
| Boginadi Near Bridge Nh-52, Lakhimpur | |||||||||
| Ranga Nadi D/S of Hydel Project | |||||||||
| Kapili River at Dharmtul Bridge, Nh-31, Nagaon | |||||||||
| Beki River at Nh-37 Crossing at Barpeta Road | |||||||||
| Sankosh River, Dhubri | |||||||||
| Barak River at D/S of Silchar | |||||||||
| Sonai River at Sonai | |||||||||
| Kushiara River at Karimganj | |||||||||
| Karola, D/S of Jalpaiguri, Near Min Bhawan | |||||||||
