| WATER QUALITY DATA 2011 | CPCB ENVIS | ||||||||||||||||||||||||||
| WATER QUALITY OF MEDIUM & MINOR RIVERS IN MANIPUR, MEGHALAYA, MIZORAM & TRIPURA - 2011 | ||||||||||||||||||||||||||
| STATION CODE | LOCATIONS | STATE | TEMPERATURE şC | D.O. (mg/l) | pH | CONDUCTIVITY (µmhos/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 | |||||||||||||||||||||
| 2869 | BARAK RIVER AT SENAPATI | MANIPUR | 19.0 | 19.0 | 19.0 | 8.7 | 8.7 | 8.7 | 7.1 | 7.1 | 7.1 | 252 | 252 | 252 | 4.9 | 4.9 | 4.9 | 10 | 10 | 10 | ||||||
| 2875 | BARAK RIVER AT N.H. 53, TAMENGLONG DISTT., MANIPUR | MANIPUR | 26.0 | 26.0 | 26.0 | 5.1 | 5.1 | 5.1 | 7.2 | 7.2 | 7.2 | 17 | 17 | 17 | 1.0 | 1.0 | 1.0 | 10 | 10 | 10 | ||||||
| 2868 | CHAKPI AT CHAKPI KARONG | MANIPUR | 19.0 | 19.0 | 19.0 | 10.0 | 10.0 | 10.0 | 7.4 | 7.4 | 7.4 | 157 | 157 | 157 | 0.6 | 0.6 | 0.6 | 5 | 5 | 5 | ||||||
| 1424 | IMPHAL AT MAHABALI, MANIPUR | MANIPUR | 15.0 | 26.0 | 21.8 | 4.1 | 8.3 | 5.9 | 6.9 | 7.2 | 7.0 | 28 | 375 | 164 | 1.2 | 2.5 | 1.6 | 15 | 150 | 74 | ||||||
| 1457 | IMPHAL AT KOIRENGEI, MANIPUR | MANIPUR | 14.0 | 27.0 | 22.3 | 4.8 | 7.5 | 6.1 | 7.0 | 7.6 | 7.3 | 112 | 198 | 141 | 0.6 | 2.0 | 1.4 | 5 | 115 | 63 | ||||||
| 1627 | IMPHAL AT KIYAMGI, MANIPUR | MANIPUR | 15.0 | 26.0 | 22.3 | 5.2 | 6.2 | 5.6 | 6.9 | 7.2 | 7.1 | 128 | 807 | 427 | 1.0 | 2.0 | 1.4 | 5 | 450 | 175 | ||||||
| 1628 | IMPHAL AT MINUTHONG | MANIPUR | 15.0 | 26.0 | 22.3 | 4.1 | 5.4 | 4.7 | 6.8 | 7.1 | 7.0 | 250 | 803 | 527 | 1.7 | 2.0 | 1.9 | 0 | 120 | 42 | ||||||
| 2861 | IMPHAL AT KANGLA MOAT, IMPHAL | MANIPUR | 19.0 | 27.0 | 23.0 | 2.9 | 8.0 | 5.5 | 7.3 | 9.8 | 8.6 | 29 | 202 | 116 | 2.1 | 6.9 | 4.5 | 25 | 200 | 113 | ||||||
| 2862 | IMPHAL AT SAMUROU, IMPHAL WEST | MANIPUR | 19.0 | 27.0 | 23.0 | 4.5 | 9.0 | 6.8 | 6.7 | 6.9 | 6.8 | 149 | 171 | 160 | 1.3 | 1.6 | 1.5 | 15 | 30 | 23 | ||||||
| 2864 | IMPHAL AT SEKMAI, IMPHAL EAST | MANIPUR | 20.0 | 26.0 | 23.0 | 5.6 | 8.3 | 7.0 | 7.2 | 7.6 | 7.4 | 0 | 93 | 47 | 1.0 | 1.0 | 1.0 | 5 | 5 | 5 | ||||||
| 2874 | IRANG RIVER AT TAMENGLONG | MANIPUR | 20.0 | 26.0 | 23.0 | 4.7 | 9.8 | 7.3 | 7.3 | 8.2 | 7.8 | 106 | 125 | 116 | 1.2 | 1.2 | 1.2 | 5 | 15 | 10 | ||||||
| 1458 | IRIL AT PORAMPET, MANIPUR | MANIPUR | 14.0 | 26.0 | 22.0 | 4.4 | 6.9 | 5.5 | 7.1 | 7.7 | 7.3 | 40 | 286 | 179 | 0.8 | 1.5 | 1.2 | 5 | 200 | 75 | ||||||
| 1624 | IRIL AT LILONG, MANIPUR | MANIPUR | 14.0 | 27.0 | 22.3 | 3.1 | 5.7 | 4.7 | 7.2 | 7.6 | 7.4 | 171 | 299 | 220 | 1.2 | 2.1 | 1.6 | 10 | 320 | 140 | ||||||
| 2863 | IRIL RIVER AT KANGLA SIPHAI, IMPHAL EAST, MANIPUR | MANIPUR | 27.0 | 27.0 | 27.0 | 4.9 | 4.9 | 4.9 | 7.0 | 7.0 | 7.0 | 180 | 180 | 180 | 1.2 | 1.2 | 1.2 | 10 | 10 | 10 | ||||||
| 2873 | IRIL RIVER AT LILONG (THOUBAL ) | MANIPUR | 30.0 | 30.0 | 30.0 | 5.8 | 5.8 | 5.8 | 7.8 | 7.8 | 7.8 | 367 | 367 | 367 | 6.2 | 6.2 | 6.2 | 95 | 95 | 95 | ||||||
| 1925 | KHUGA RIVER (CHURACHANDPUR) | MANIPUR | 15.0 | 28.0 | 23.0 | 4.3 | 6.8 | 5.8 | 7.2 | 7.7 | 7.4 | 195 | 354 | 249 | 0.9 | 1.2 | 1.0 | 5 | 100 | 37 | ||||||
| 2877 | KHUGA DAM ON KHUGA RIVER, CHURACHANDPUR, MANIPUR | MANIPUR | 20.0 | 26.0 | 23.0 | 4.1 | 8.3 | 6.2 | 6.7 | 7.0 | 6.9 | 174 | 190 | 182 | 1.9 | 2.3 | 2.1 | 5 | 10 | 8 | ||||||
| 1926 | KHUJAIROK, MOREH (CHANDEL DIST.) | MANIPUR | 14.0 | 27.0 | 22.7 | 4.7 | 6.0 | 5.5 | 7.5 | 8.0 | 7.7 | 229 | 504 | 356 | 1.1 | 1.3 | 1.2 | 35 | 500 | 202 | ||||||
| 2878 | LOKCHAO RIVER AT BISHNUPUR, MANIPUR | MANIPUR | 20.0 | 26.0 | 23.0 | 3.7 | 6.4 | 5.1 | 6.8 | 6.9 | 6.9 | 175 | 206 | 190 | 2.1 | 2.4 | 2.3 | 5 | 60 | 33 | ||||||
| 2867 | MAHA RIVER AT CHANDEL, MANIPUR | MANIPUR | 21.0 | 26.0 | 23.5 | 4.7 | 5.7 | 5.2 | 7.0 | 7.1 | 7.1 | 157 | 171 | 164 | 1.2 | 4.4 | 2.8 | 5 | 35 | 20 | ||||||
| 2852 | MANIPUR RIVER AT SEKMAIJAN, DISTT. THOUBAL, MANIPUR | MANIPUR | 20.0 | 26.0 | 23.0 | 4.0 | 5.1 | 4.6 | 6.7 | 7.2 | 7.0 | 164 | 212 | 188 | 1.3 | 4.2 | 2.8 | 10 | 25 | 18 | ||||||
| 2879 | MANIPUR RIVER AT ETHAI BARRAGE ON MANIPUR RIVER AT BISHNUPUR | MANIPUR | 20.0 | 27.0 | 23.5 | 4.6 | 6.5 | 5.6 | 6.4 | 6.8 | 6.6 | 158 | 171 | 165 | 1.8 | 1.9 | 1.9 | 20 | 25 | 23 | ||||||
| 1625 | NAMBUL RIVER AT HUMP BRIDGE | MANIPUR | 16.0 | 27.0 | 23.0 | 0.2 | 5.1 | 1.9 | 6.5 | 7.0 | 6.8 | 259 | 712 | 484 | 4.9 | 21.0 | 15.3 | 120 | 2200 | 1075 | ||||||
| 1626 | NAMBUL RIVER AT HEIRANGOITHONG, MANIPUR | MANIPUR | 16.0 | 27.0 | 23.0 | 0.3 | 5.9 | 2.5 | 7.0 | 7.4 | 7.1 | 225 | 592 | 424 | 4.6 | 30.5 | 16.7 | 95 | 1000 | 682 | ||||||
| 2858 | NAMBUL RIVER AT SAMUSANG (U.K. ROAD), DISTT. IMPHAL WEST | MANIPUR | 19.0 | 26.0 | 22.5 | 4.1 | 6.8 | 5.5 | 6.8 | 6.9 | 6.9 | 104 | 133 | 118 | 1.2 | 4.3 | 2.8 | 5 | 15 | 10 | ||||||
| 2859 | NAMBUL RIVER AT SINGDA DAM, IMPHAL WEST, MANIPUR | MANIPUR | 20.0 | 26.0 | 23.0 | 3.9 | 8.0 | 6.0 | 6.7 | 7.3 | 7.0 | 57 | 143 | 100 | 1.2 | 7.1 | 4.2 | 5 | 15 | 10 | ||||||
| 2860 | NAMBUL RIVER AT NAOREMTHONG, IMPHAL WEST, MANIPUR | MANIPUR | 19.0 | 26.0 | 22.5 | 3.5 | 6.2 | 4.9 | 6.5 | 7.3 | 6.9 | 57 | 129 | 93 | 2.2 | 4.9 | 3.6 | 15 | 35 | 25 | ||||||
| 2880 | NAMBUL RIVER AT BISHNUPUR, MANIPUR | MANIPUR | 20.0 | 20.0 | 20.0 | 4.8 | 4.8 | 4.8 | 7 | 7 | 7 | 167.1 | 167.1 | 167.1 | 2.80 | 2.80 | 2.80 | |||||||||
| 1927 | SEKMAI RIVER, KAKCHING (THOUBAL DIST.) | MANIPUR | 15.0 | 27.0 | 22.7 | 4.2 | 6.8 | 5.4 | 7.1 | 7.3 | 7.2 | 141 | 315 | 211 | 1.0 | 1.2 | 1.1 | 15 | 200 | 78 | ||||||
| 2853 | THOUBAL RIVER AT MAPITHEL DAM, DISTT. THOUBAL, MANIPUR | MANIPUR | 26.0 | 26.0 | 26.0 | 6.0 | 6.0 | 6.0 | 7.5 | 7.5 | 7.5 | 231 | 231 | 231 | 1.1 | 1.1 | 1.1 | 10 | 10 | 10 | ||||||
| 2854 | THOUBAL RIVER AT PHADOM, DISTT. THOUBAL, MANIPUR | MANIPUR | 19.0 | 19.0 | 19.0 | 5.6 | 5.6 | 5.6 | 7.1 | 7.1 | 7.1 | 319 | 319 | 319 | 4.4 | 4.4 | 4.4 | 15 | 15 | 15 | ||||||
| 2856 | THOUBAL RIVER AT YAIRIPOK, DISTT. THOUBAL, MANIPUR | MANIPUR | 19.0 | 26.0 | 22.5 | 4.9 | 6.4 | 5.7 | 6.8 | 7.0 | 6.9 | 205 | 316 | 261 | 1.2 | 3.3 | 2.3 | 45 | 60 | 53 | ||||||
| 2870 | THOUBAL RIVER AT SONGKHONG, (UKL DIST.) | MANIPUR | 18.9 | 18.9 | 18.9 | 9.9 | 9.9 | 9.9 | 7.1 | 7.1 | 7.1 | 163 | 163 | 163 | 1.0 | 1.0 | 1.0 | 35 | 35 | 35 | ||||||
| 2872 | THOUBAL RIVER AT LITAN (UKL DIST.) | MANIPUR | 21.0 | 21.0 | 21.0 | 6.1 | 6.1 | 6.1 | 7.6 | 7.6 | 7.6 | 163 | 163 | 163 | 4.5 | 4.5 | 4.5 | 25 | 25 | 25 | ||||||
| 2855 | WANGJING RIVER AT HEIROK, DISTT. THOUBAL, MANIPUR | MANIPUR | 19.0 | 26.0 | 22.5 | 5.0 | 5.2 | 5.1 | 6.9 | 7.0 | 6.9 | 164 | 177 | 170 | 1.2 | 3.8 | 2.5 | 5 | 15 | 10 | ||||||
| 2876 | WANGJING RIVER AT WANGJING, DISTT. THOUBAL, MANIPUR | MANIPUR | 20.0 | 26.0 | 23.0 | 2.9 | 4.6 | 3.8 | 7.0 | 7.0 | 7.0 | 188 | 196 | 192 | 2.7 | 3.2 | 3.0 | 15 | 30 | 23 | ||||||
| 1632 | GANOL RIVER TURA, MEGHALAYA | MEGHALAYA | 18.0 | 28.0 | 24.4 | 6.1 | 9.1 | 7.8 | 7.0 | 7.5 | 7.2 | 105 | 160 | 139 | 1.0 | 2.7 | 1.9 | 0.30 | 0.80 | 0.56 | 170 | 360 | 263 | 260 | 490 | 359 |
| 1428 | KHARKHLA NEAR SUTNGA KHLIERIAT,JAINTIA HILLS DT.,MEGHALAYA | MEGHALAYA | 16.0 | 26.0 | 21.8 | 4.9 | 8.2 | 6.5 | 2.5 | 3.4 | 3.1 | 150 | 870 | 489 | 5.0 | 7.5 | 6.1 | 0.14 | 1.00 | 0.52 | 16 | 63 | 32 | 22 | 94 | 47 |
| 1631 | MYNTDU RIVER JOWAI, MEGHALAYA | MEGHALAYA | 15.0 | 25.0 | 20.8 | 6.0 | 8.0 | 7.3 | 6.8 | 7.3 | 7.0 | 130 | 190 | 162 | 1.5 | 3.0 | 2.2 | 0.20 | 1.20 | 0.69 | 920 | 2800 | 2085 | 1600 | 3500 | 2633 |
| 1633 | SIMSANG RIVER WILLIAMNAGAR | MEGHALAYA | 20.0 | 30.0 | 25.2 | 6.9 | 9.4 | 7.8 | 6.9 | 7.3 | 7.1 | 100 | 155 | 136 | 1.0 | 2.8 | 1.9 | 0.30 | 0.94 | 0.52 | 220 | 420 | 303 | 290 | 500 | 409 |
| 1427 | UMTREW AT BYRNIHAT EAST | MEGHALAYA | 18.0 | 28.0 | 24.0 | 5.6 | 9.6 | 7.7 | 6.8 | 7.3 | 7.1 | 135 | 280 | 205 | 5.0 | 8.8 | 7.0 | 0.13 | 2.11 | 0.84 | 220 | 450 | 303 | 260 | 630 | 461 |
| 2050 | TLAWNG UPSTREAM AIZAWL | MIZORAM | 20.0 | 26.0 | 23.4 | 6.5 | 9.5 | 8.1 | 6.8 | 7.8 | 7.1 | 164 | 338 | 267 | 0.4 | 1.8 | 1.0 | 0.10 | 0.13 | 0.11 | 0 | 7 | 2 | 3 | 21 | 12 |
| 2051 | TLAWNG DOWNSTREAM AIZAWL | MIZORAM | 20.0 | 26.0 | 23.4 | 6.4 | 9.3 | 8.0 | 6.7 | 7.9 | 7.0 | 175 | 351 | 278 | 0.1 | 1.7 | 1.1 | 0.10 | 0.12 | 0.11 | 0 | 7 | 3 | 10 | 28 | 18 |
| 2052 | TUIRIAL UPPER CATCHMENT | MIZORAM | 18.0 | 28.0 | 23.2 | 5.6 | 8.6 | 6.9 | 6.8 | 8.0 | 7.2 | 179 | 318 | 268 | 0.3 | 1.4 | 1.1 | 0.10 | 0.13 | 0.11 | 0 | 15 | 6 | 14 | 150 | 37 |
| 2053 | TUIRIAL LOWER CATCHMENT | MIZORAM | 18.0 | 28.0 | 23.3 | 5.9 | 7.9 | 6.8 | 6.6 | 7.7 | 7.1 | 198 | 359 | 286 | 0.5 | 1.7 | 1.3 | 0.10 | 0.14 | 0.11 | 3 | 14 | 8 | 20 | 39 | 29 |
| 1403 | GUMTI AT U/S SOUTH TRIPURA | TRIPURA | 25.5 | 30.0 | 28.4 | 6.5 | 6.8 | 6.6 | 7.6 | 7.9 | 7.8 | 142 | 158 | 149 | 1.4 | 2.6 | 1.8 | 13 | 280 | 209 | 320 | 360 | 340 | |||
| 1404 | GUMTI AT D/S SOUTH TRIPURA | TRIPURA | 26.5 | 30.0 | 28.6 | 5.4 | 6.6 | 6.3 | 7.7 | 8.2 | 8.0 | 156 | 176 | 164 | 2.4 | 4.2 | 3.4 | 0.16 | 0.45 | 0.30 | 10 | 540 | 380 | 460 | 580 | 528 |
| 1726 | CHANDRAPUR, AGARTALA D/S OF HAORA RIVER, TRIPURA | TRIPURA | 27.0 | 29.5 | 28.5 | 6.2 | 6.8 | 6.6 | 7.6 | 8.1 | 7.9 | 178 | 220 | 196 | 3.2 | 5.1 | 4.4 | 0.58 | 1.20 | 0.80 | 25 | 580 | 425 | 620 | 680 | 648 |