| WATER QUALITY DATA 2012 | CPCB ENVIS | ||||||||||||||||||||||||||
| WATER QUALITY OF RIVER BRAHMAPUTRA-2012 | ||||||||||||||||||||||||||
| 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 (A/C WITH DIBANG & DIHANG) | ASSAM | 18 | 25 | 22 | 4.2 | 10.8 | 7.6 | 6.9 | 7.6 | 7.3 | 76 | 198 | 131 | 0.6 | 2.6 | 1.7 | 0.11 | 0.27 | 0.18 | 0 | 730 | 61 | 360 | 1500 | 783 |
| 1030 | BRAHAMPUTRA AT DIBRUGARH | ASSAM | 17 | 25 | 21 | 5.7 | 9.1 | 7.6 | 6.8 | 7.6 | 7.2 | 83 | 222 | 130 | 0.7 | 3.1 | 1.7 | 0 | 0.21 | 0.12 | 0 | 700 | 91 | 360 | 2800 | 1133 |
| 1262 | BRAHAMPUTRA AT NIMATIGHAT | ASSAM | 17 | 28 | 23 | 5.4 | 7.7 | 6.5 | 6.7 | 7.8 | 7.2 | 85 | 210 | 137 | 0.6 | 2.5 | 1.5 | 0.1 | 2.1 | 0.31 | 0 | 910 | 106 | 300 | 2300 | 970 |
| 1526 | BRAHMPUTRA AT DHENUKHAPAHAR | ASSAM | 18 | 27 | 23 | 7.9 | 8.7 | 8.5 | 6.8 | 7.7 | 7.2 | 79 | 253 | 152 | 0.4 | 3.6 | 1.8 | 0.1 | 0.22 | 0.14 | 0 | 360 | 33 | 0 | 2000 | 919 |
| 1031 | BRAHAMPUTRA AT PANDU | ASSAM | 20 | 31 | 23 | 5.5 | 8.8 | 7.5 | 6.6 | 7.8 | 7.2 | 95 | 224 | 144 | 0.9 | 2.1 | 1.2 | 0.1 | 0.21 | 0.15 | 0 | 360 | 80 | 700 | 2000 | 1003 |
| 1299 | BRAHAMPUTRA AT JOGIJHOGA NEAR BRIDGE | ASSAM | 18 | 30 | 25 | 5.6 | 6.9 | 6.5 | 7.1 | 8.1 | 7.5 | 85 | 234 | 149 | 0.8 | 2 | 1.4 | 0.1 | 0.3 | 0.16 | 0 | 0 | 0 | 720 | 1500 | 973 |
| 2069 | BRAHMPUTRA NR WATER INTAKE POINT AT KACHARIGHAT, PANBAZAR, GUWAHATI | ASSAM | 18 | 30 | 26 | 6.7 | 8.2 | 7.5 | 7 | 8 | 7.5 | 101 | 205 | 133 | 1.3 | 2.8 | 2 | 0.16 | 0.46 | 0.25 | 0 | 360 | 180 | 700 | 1400 | 980 |
| 2064 | BRAHMAPUTRA AT CHANDRAPUR, GUWAHATI | ASSAM | 20 | 32 | 26 | 5.5 | 8 | 6.9 | 7 | 7.7 | 7.4 | 73 | 359 | 160 | 0.8 | 1 | 0.9 | 0.1 | 0.31 | 0.2 | 0 | 0 | 0 | 300 | 700 | 430 |
| 2067 | BRAHMPUTRA AT SUALKUCHI, DIST. KAMRUP | ASSAM | 22 | 30 | 26 | 6.6 | 8.5 | 7.8 | 6.9 | 7.3 | 7.1 | 101 | 210 | 152 | 0.5 | 0.9 | 0.8 | 0.1 | 0.14 | 0.11 | 0 | 0 | 0 | 720 | 910 | 818 |
| 2066 | BRAHMAPUTRA AT DHUBRI | ASSAM | 20 | 31 | 27 | 6.5 | 7.2 | 6.8 | 7.2 | 7.6 | 7.5 | 67 | 198 | 125 | 0.7 | 2.6 | 1.6 | 0.1 | 0.22 | 0.16 | 0 | 360 | 90 | 360 | 1100 | 820 |