| WATER QUALITY DATA 2013 | CPCB ENVIS | ||||||||||||||||||||||||||
| WATER QUALITY OF RIVER BRAHMAPUTRA-2013 | ||||||||||||||||||||||||||
| STATION CODE | LOCATIONS | STATE | TEMPERATURE șC | D.O. (mg/l) | pH | CONDUCTIVITY (”mhos/cm) | B.O.D. (mg/l) | NITRATE- N+ NITRITE-N (mg/l) | FECAL COLIFORM (MPN/100ml) | TOTAL COLIFORM (MPN/100ml) | ||||||||||||||||
| Min | Max | Mean | Min | Max | Mean | Min | Max | Mean | Min | Max | Mean | Min | Max | Mean | Min | Max | Mean | Min | Max | Mean | Min | Max | Mean | |||
| WATER QUALITY CRITERIA | > 4 mg/l | 6.5-8.5 | < 3 mg/l | < 2500 MPN/100ml | < 5000 MPN/100ml | |||||||||||||||||||||
| 1260 | BRAHAMPUTRA AT KHERGHAT (AFTER CONFL. WITH DIBANG & DIHANG),ASSAM | ASSAM | 18 | 26 | 22.1 | 5.2 | 10 | 8.2 | 6.8 | 8.4 | 7.3 | 103 | 247 | 163 | 0.9 | 2.6 | 1.6 | 0.1 | 1.09 | 1 | 360 | 1500 | 783 | 360 | 4400 | 1621 |
| 1030 | BRAHAMPUTRA AT DIBRUGARH, ASSAM | ASSAM | 19 | 30 | 22.9 | 6.1 | 10.2 | 7.9 | 6.8 | 7.7 | 7.3 | 20 | 240 | 136 | 1.2 | 3.6 | 2.1 | 0.2 | 1.33 | 1.02 | 360 | 1500 | 890 | 360 | 9300 | 2269 |
| 1262 | BRAHAMPUTRA AT NIMATIGHAT, ASSAM | ASSAM | 18 | 27 | 22.9 | 5.6 | 7.9 | 7.2 | 6.6 | 7.5 | 7.1 | 108 | 350 | 172 | 0.7 | 2.4 | 1.7 | 0.25 | 2.33 | 1.95 | 360 | 360 | 360 | 360 | 2800 | 1270 |
| 1526 | BRAHMPUTRA RIVER AT DHENUKHAPAHAR, ASSAM | ASSAM | 17 | 29 | 23.9 | 7.1 | 8.9 | 7.7 | 6.5 | 8.5 | 7.2 | 93 | 317 | 201 | 1.4 | 4.1 | 2.3 | 0.23 | 2.06 | 1 | 45 | 45 | 45 | |||
| 1031 | BRAHAMPUTRA AT PANDU, ASSAM | ASSAM | 16 | 30 | 23.6 | 6.8 | 9.5 | 8.2 | 6.8 | 8.2 | 7.3 | 142 | 290 | 191 | 0.6 | 2.2 | 1.4 | 0.2 | 1.09 | 1 | 300 | 730 | 523 | 300 | 2000 | 1154 |
| 1299 | BRAHAMPUTRA AT JOGIJHOGA NEAR BRIDGE, ASSAM | ASSAM | 19 | 31 | 26.6 | 4.6 | 7.2 | 6.1 | 6 | 7.9 | 7.3 | 135 | 322 | 180 | 0.7 | 2.4 | 1.5 | 0.18 | 1.56 | 1.03 | 360 | 1500 | 645 | 360 | 4300 | 1336 |
| 2069 | BRAHMPUTRA RIVER NEAR WATER INTAKE POINT AT KACHARIGHAT, PANBAZAR, GUWAHATI, ASSAM | ASSAM | 20 | 29 | 25.3 | 6.2 | 7.8 | 7.2 | 6.8 | 7.8 | 7.4 | 128 | 203 | 161 | 1 | 2.8 | 1.9 | 0.21 | 2.3 | 2.02 | 300 | 910 | 575 | 730 | 24000 | 7083 |
| 2064 | BRAHMAPUTRA RIVER AT CHANDRAPUR, GUWAHATI | ASSAM | 20 | 30 | 25.5 | 6.4 | 8.2 | 7.3 | 7.2 | 7.5 | 7.4 | 122 | 502 | 334 | 1.1 | 1.9 | 1.5 | 0.1 | 2.06 | 1.95 | 360 | 1100 | 730 | 730 | 3600 | 1733 |
| 2067 | BRAHMPUTRA RIVER AT SUALKUCHI, DIST. KAMRUP, ASSAM | ASSAM | 22 | 31 | 26.8 | 5.6 | 10.3 | 8.3 | 6.9 | 8.4 | 7.6 | 148 | 275 | 196 | 1.1 | 1.9 | 1.4 | 0.21 | 0.96 | 0.58 | 1500 | 1500 | 1500 | 730 | 4300 | 2043 |
| 2066 | BRAHMAPUTRA RIVER AT DHUBRI | ASSAM | 20 | 30 | 26.5 | 5.1 | 7 | 6.2 | 6.7 | 7.5 | 7.1 | 83 | 176 | 134 | 0.8 | 1.4 | 1.2 | 0.14 | 0.56 | 0.41 | 730 | 2800 | 1765 | 300 | 4300 | 2025 |