RIVER/ TRIBUTARY LOCATION TEMPERATURE pH CONDUCTIVITY D.O. B.O.D. C.O.D. FAECAL COLIFORM TOTAL COLIFORM NITRATE AMMONICAL NITROGEN
MIN MAX AVG MIN MAX AVG MIN MAX AVG MIN MAX AVG MIN MAX AVG MIN MAX AVG MIN MAX AVG MIN MAX AVG MIN MAX AVG MIN MAX AVG
BRAHMAPUTRA BRAHAMPUTRA AT KHERGHAT (AFTER CONFL. WITH DIBANG & DIHANG),ASSAM 16 29 22 6.4 8.3 6.9 127 570 383 1.2 7.7 5.1 0.5 3.5 1.5 27.4 27.4 27.4 2300 15000 7533 730 15000 5590 0.050 0.210 0.113 0.020 0.020 0.020
BRAHMAPUTRA BRAHAMPUTRA AT DIBRUGARH, ASSAM 17 27 23 6.5 8.4 7.5 77 421 281 3.2 11.5 7.2 0.6 3.5 1.5 12.8 12.8 12.8 730 240000 72733 1500 240000 82788 0.020 0.250 0.124 0.020 0.020 0.020
BRAHMAPUTRA BRAHAMPUTRA AT NIMATIGHAT, ASSAM 19 28 23 7.0 8.0 7.6 102 224 158 6.3 8.8 7.4 0.4 2.8 1.3 9.6 9.6 9.6 300 24000 8243 730 240000 48579 0.040 0.230 0.103 0.020 0.020 0.020
BRAHMAPUTRA BRAHMPUTRA RIVER AT DHENUKHAPAHAR, ASSAM 15 27 22 7.0 8.1 7.5 105 206 145 8.1 9.6 8.9 0.5 1.8 0.9 16.7 16.7 16.7 360 21000 7126 910 240000 86311 0.030 0.140 0.086 0.020 0.020 0.020
BRAHMAPUTRA BRAHAMPUTRA AT PANDU, ASSAM 14 27 23 7.3 8.2 7.8 123 233 171 5.8 9.8 7.8 0.5 2.6 1.1 7.2 7.2 7.2 2300 110000 34100 3600 240000 92218 0.040 0.260 0.108 0.020 0.020 0.020
BRAHMAPUTRA BRAHAMPUTRA AT JOGIJHOGA NEAR BRIDGE, ASSAM 23 32 27 7.1 8.1 7.7 152 250 198 4.3 6.6 5.2 0.5 2.8 1.2 4.8 4.8 4.8 360 4300 2320 360 240000 27453 0.040 0.240 0.094 0.020 0.020 0.020
SUBANSIRI SUBANSIRI AT GEREKAMUKH,ASSAM,(BEFORE CONFL. WITH BRAH.),ASSAM 19 30 24 7.1 7.8 7.4 65 192 104 7.5 9.7 8.8 0.5 2.7 1.1 4.7 4.7 4.7 360 360 360 360 7500 2768 0.010 0.120 0.070 0.020 0.020 0.020
BURHIDIHING BURHIDIHING AT MARGHERITA, ASSAM 18 28 23 6.7 8.0 7.3 120 287 183 6.0 10.1 7.8 0.4 1.9 1.1 5.3 5.3 5.3 360 15000 4443 360 240000 120465 0.090 0.140 0.103 0.020 0.020 0.020
DIGBOI DIGBOI RIVER AT LAKHIPATHE, RESERVE FOREST, DIGBOI, ASSAM 18 25 22 6.4 7.3 6.9 213 705 405 6.3 9.0 7.4 2.0 3.4 2.6 - - - 9300 9300 9300 360 15000 8220 0.020 0.420 0.173 - - -
DISANG DISANG AT GUNDAMGHAT, ASSAM 20 29 26 6.7 7.7 7.2 89 262 153 5.7 7.6 6.6 0.7 5.9 3.1 6.6 6.6 6.6 360 2300 1075 360 4400 2640 0.100 0.700 0.355 0.020 0.020 0.020
JHANJI JHANJI AT N.H. CROSSING JORHAT, ASSAM 21 28 25 7.0 7.6 7.4 62 136 98 6.4 7.5 6.8 0.6 2.2 1.2 4.3 4.3 4.3 910 910 910 46000 46000 46000 0.020 0.110 0.070 0.020 0.020 0.020
BHOGDOI BHOGDOI RIVER AT JORHAT ,ASSAM 22 31 27 7.3 8.0 7.6 171 184 177 6.2 7.5 6.7 1.4 1.6 1.5 9.0 9.0 9.0 2300 240000 83267 9300 240000 163100 0.020 0.100 0.073 0.030 0.030 0.030
DHANSIRI FULL NAGARJAN, NAGALAND 16 34 28 7.1 7.8 7.5 54 310 195 7.6 17.3 12.3 7.0 10.6 8.5 - - - - - - - - - - - - - - -
DHANSIRI TOWN BOUNDARY BRIDGE (DIPHU ROAD), NAGALAND 18 34 28 6.9 7.7 7.4 170 392 235 6.2 9.3 8.1 1.1 6.5 3.8 - - - - - - - - - - - - - - -
DHANSIRI BRIDGE NEAR PURANA BAZAAR, NAGALAND 19 34 29 7.3 7.7 7.5 53 352 236 8.7 11.0 9.8 2.8 6.2 4.4 - - - - - - - - - - - - - - -
DHANSIRI NUTON BASTI, NAGALAND 19 33 26 6.4 7.6 7.2 120 508 293 2.5 6.5 5.0 0.8 5.9 3.5 - - - - - - - - - - - - - - -
DHANSIRI NEAR CHECK GATE (DIMAPUR KHUTKHUTI ROAD), NAGALAND 19 35 30 7.3 7.6 7.4 53 330 228 7.0 10.3 8.4 2.3 6.2 4.6 - - - - - - - - - - - - - - -
DHANSIRI DHANSIRI AT GOLAGHAT, ASSAM 21 35 29 7.4 8.2 7.7 136 228 173 4.0 8.0 6.2 0.5 2.3 1.5 9.6 9.6 9.6 360 240000 51974 1500 240000 56460 0.050 0.270 0.168 0.020 0.020 0.020
MORA BHARALI *MORA BHARALI  AT TEZPUR, ASSAM 25 32 29 6.7 7.4 7.1 112 173 144 4.5 5.4 5.0 0.6 3.8 1.9 13.7 13.7 13.7 2300 2300 2300 2300 9300 5300 0.030 0.090 0.063 0.020 0.020 0.020
BORAK BORAK AT PANCHAGRAM , ASSAM 24 31 29 6.7 7.8 7.2 74 168 105 7.1 7.5 7.3 0.6 2.8 1.9 11.2 11.2 11.2 730 4300 2515 4300 9300 7033 0.020 2.600 0.688 0.020 0.020 0.020
BHARALU BHARALU RIVER AT GUWAHATI 24 31 27 7.1 7.9 7.4 557 760 614 1.4 1.4 1.4 2.2 76.0 35.4 97.3 97.3 97.3 110000 240000 214000 240000 240000 240000 0.070 0.420 0.272 0.030 0.030 0.030
DEEPAR BILL DEEPAR BILL, ASSAM* 25 32 28 6.3 8.8 7.5 132 409 231 1.8 11.4 5.8 1.6 4.0 2.6 11.5 11.5 11.5 910 46000 15940 910 46000 18737 0.060 0.160 0.103 0.020 0.020 0.020
TEESTA RIVER TEESTA AFTER CONFIUENCE OF RIVERS LACHENCHU AND LACHUNGCHU AT CHUNGTHAANG, SIKKIM 12 12 12 6.0 6.8 6.4 270 280 276 20.0 26.0 23.3 4.5 6.8 5.6 - - - 30 90 53 40 140 75 2.000 2.500 2.230 - - -
TEESTA RIVER TEESTA AFTER CONFLUENCE WITH RIVER RANICHU AT SINGTAM 12 13 13 6.0 6.5 6.3 270 300 282 16.0 24.0 18.5 5.5 12.0 8.9 - - - 80 220 164 130 280 228 2.000 3.200 2.650 - - -
TEESTA RIVER TEESTA AFTER CONFLUENCE WITH RANGICHU AFTER MEETING THE INDUSTRIAL EFFLUENTS FROM THE TOWN RA. 12 13 13 6.0 7.0 6.4 260 320 290 14.0 22.0 17.9 6.5 12.0 10.1 - - - 110 220 170 140 280 228 2.200 3.200 2.825 - - -
TEESTA RIVER TEESTA AT MELLI DOWNSTREAM, SIKKIM 13 13 13 5.9 6.5 6.2 30 300 266 14.0 22.0 17.3 1.0 12.0 9.6 - - - 170 240 193 220 300 267 2.300 3.800 3.050 - - -
DIKCHU RIVER DIKCHU BEFORE CONFIUENCE WITH RIVER TEESTA NEAR NHPC HYDROELECTRIC POWER PROJECT, SIKKIM 11 11 11 6.0 7.0 6.5 260 280 273 20.0 26.0 22.7 4.5 6.5 5.8 - - - 23 110 51 30 140 67 2.000 2.500 2.273 - - -
MANEY KHOLA RIVER MANEY KHOLA AT BURTUK NEAR ARMY BASE CAMP, 4 KM U/S OF GANGTOK, SIKKIM 12 12 12 6.0 7.0 6.5 230 280 263 18.0 30.0 22.4 2.5 7.2 5.8 - - - 30 110 69 40 170 96 2.000 3.100 2.327 - - -
MANEY KHOLA RIVER MANEY KHOLA AFTER CONFLUENCE WITH RAY KHOLA AT ADAMPOOL AFTER MEETING WASTE OF STP, GANGTOK D 12 13 13 6.0 6.8 6.4 250 320 282 18.0 28.0 21.4 5.1 8.0 6.5 - - - 40 140 93 50 190 118 2.000 2.800 2.408 - - -
RANICHU AFTER CONFLUENCE OF RANICHU AND RORACHU AT RANIPOOL, SIKKIM 13 13 13 6.0 7.0 6.3 30 300 236 15.0 25.0 20.8 5.5 9.0 7.4 - - - 80 170 114 90 220 142 2.000 2.800 2.442 - - -
RANICHU RANICHU BEFORE CONFLUENCE WITH RIVER TEESTA AT SINGTAM, SIKKIM 13 13 13 6.0 7.0 6.3 270 300 279 17.0 24.0 19.3 6.0 10.0 7.9 - - - 110 220 145 130 280 182 2.200 3.200 2.627 - - -