| WATER QUALITY DATA 2010 | CPCB ENVIS | ||||||||||||||||||||||||||||
| WATER QUALITY OF TRIBUTARY STREAMS SUBANSIRI, KHARSANG, BURHIDIHING, PAGLDIA, DIGBOI, JAI BHARALI, KOLONG, MANAS, DISANG, JHANJI, BHOGDOI, MORA BHARALI, BORAK, BHARALU, DEEPAR BEEL & KATHAKAL - 2010 | ||||||||||||||||||||||||||||
| STATION CODE | LOCATIONS | TEMPERATURE şC | D.O. (mg/l) | pH | CONDUCTIVITY (µmhos/cm) | B.O.D. (mg/l) | NITRATE- N (mg/l) | 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 | Min | Max | Mean | ||
| WATER QUALITY CRITERIA | > 4 mg/l | 6.5-8.5 | < 2250 µmhos/cm | < 3 mg/l | < 2500 MPN/100ml | < 5000 MPN/100ml | ||||||||||||||||||||||
| 1261 | SUBANSIRI AT GEREKAMUKH (B/C WITH BRAH.),ASSAM | 18 | 21 | 19 | 8.8 | 9.2 | 8.9 | 6.5 | 7.5 | 7.2 | 109 | 210 | 158 | 3.6 | 5.2 | 4.2 | 0.1 | 0.1 | 0.1 | 24 | 70 | 39 | 140 | 280 | 198 | |||
| 2061 | RIVER KHARSANG B/C WITH BURIDIHING NEAR KHARSANG (ASSAM-ARUNANCHAL BORDER) | 17 | 24 | 22 | 5.7 | 8.4 | 7.6 | 6.6 | 7.4 | 7.0 | 172 | 330 | 228 | 1 | 1.8 | 1.4 | 0.1 | 0.21 | 0.1 | 0 | 300 | 150 | ||||||
| 1422 | BURHIDIHING AT MARGHERITA | 18 | 24 | 21 | 6 | 8 | 7.0 | 7 | 7.4 | 7.2 | 54 | 272 | 168 | 1.7 | 5.5 | 3.1 | 0.1 | 0.1 | 0.1 | 0 | 300 | 100 | 360 | 1100 | 720 | |||
| 2062 | BURIDIHING NEAR DULIAJAN AT D/S, TINSUKIA | 18 | 26 | 23 | 4.1 | 6.8 | 5.8 | 6.3 | 7.3 | 6.8 | 118 | 313 | 199 | 1.4 | 3.4 | 2.6 | 0.1 | 0.11 | 0.1 | 300 | 700 | 453 | ||||||
| 2230 | BURHIDIHING RIVER AT DULIAJAN (INTAKE POINT OF OIL INDIA LTD.) | 18 | 27 | 23 | 6.8 | 7.3 | 7.1 | 6.3 | 7.3 | 6.9 | 175 | 317 | 214 | 2 | 7.8 | 4.7 | 0.1 | 0.13 | 0.1 | 0 | 300 | 76 | ||||||
| 2065 | PAGLDIA RIVER NEAR NALBARI TOWN, DIST. NALBARI, ASSAM | 18 | 28 | 24 | 6.7 | 8.3 | 7.5 | 7.4 | 8.1 | 7.8 | 247 | 378 | 291 | 1.3 | 3.1 | 2.2 | 0.1 | 0.1 | 0.1 | 50 | 110 | 73 | 130 | 280 | 180 | |||
| 1530 | DIGBOI RIVER AT LAKHIPATHE, RESERVE FOREST, DIGBOI, ASSAM | 18 | 27 | 22 | 6.1 | 7.2 | 6.5 | 6.9 | 7.1 | 7.0 | 114 | 297 | 204 | 1.4 | 4.3 | 2.7 | 0.1 | 0.18 | 0.1 | 0 | 300 | 75 | 700 | 1500 | 1008 | |||
| 2063 | JAI BHARALI RIVER NEAR BISWANATH CHARALI, SONITPUR | 20 | 26 | 23 | 8.4 | 9 | 8.7 | 7.1 | 7.9 | 7.4 | 80 | 134 | 101 | 0.8 | 3.3 | 2.3 | 0.1 | 0.11 | 0.1 | 0 | 360 | 91 | ||||||
| 2237 | KALONG RIVER AT U/S OF ANANDARAM DEKIAL PHUKAN BRIDGE, NAGAON | 18 | 28 | 24 | 5.2 | 6.9 | 6.0 | 6.9 | 7.6 | 7.1 | 77 | 250 | 192 | 2.1 | 3.5 | 2.8 | 0.1 | 0.1 | 0.1 | 0 | 300 | 75 | 1 | 1100 | 678 | |||
| 2059 | KOLONG RIVER AT MARIGAON | 24 | 27 | 25 | 7.1 | 8.3 | 7.5 | 6.5 | 7.4 | 6.9 | 84 | 125 | 100 | 0.8 | 1.2 | 1.0 | 0.1 | 0.1 | 0.1 | |||||||||
| 2060 | MANAS RIVER AT NH-31 CROSSING, BARPETA, DISTRICT | 21 | 26 | 24 | 5.7 | 7 | 6.5 | 6.6 | 7.9 | 7.3 | 90 | 580 | 312 | 2.8 | 5.9 | 4.1 | 0.1 | 0.22 | 0.1 | |||||||||
| 2058 | DISANG RIVER AT DILLIGHAT, DIBRUGARH DIST., ASSAM | 18 | 27 | 22 | 4.9 | 7.2 | 6.0 | 6.3 | 7.1 | 6.7 | 96 | 237 | 166 | 1.6 | 3.2 | 2.4 | 0.1 | 0.11 | 0.1 | 300 | 360 | 315 | ||||||
| 1298 | DISANG AT GUNDAMGHAT, ASSAM | 19 | 27 | 24 | 4.6 | 5.5 | 5.2 | 6.6 | 7.1 | 6.9 | 73 | 202 | 138 | 0.8 | 3.7 | 2.4 | 0.1 | 0.13 | 0.1 | 300 | 720 | 610 | ||||||
| 1258 | JHANJI AT N.H. CROSSING JORHA | 19 | 28 | 25 | 5.4 | 7.1 | 6.1 | 6.6 | 7.5 | 7.1 | 78 | 320 | 157 | 0.9 | 2.8 | 1.7 | 0.1 | 0.1 | 0.1 | 0 | 300 | 76 | ||||||
| 1527 | BHOGDOI RIVER AT JORHAT ,ASSAM | 19 | 27 | 25 | 5.3 | 7.6 | 6.4 | 7.2 | 7.7 | 7.4 | 66 | 178 | 140 | 1 | 5.4 | 3.3 | 0.1 | 0.1 | 0.1 | 300 | 700 | 415 | ||||||
| 1531 | *MORA BHARALI AT TEZPUR, ASSAM | 21 | 27 | 23 | 6.6 | 6.8 | 6.7 | 7.1 | 7.7 | 7.3 | 98 | 270 | 186 | 0.8 | 5.2 | 2.2 | 0.1 | 0.1 | 0.1 | 26 | 34 | 29 | 70 | 110 | 88 | |||
| 1423 | BORAK AT PANCHAGRAM , ASSAM | 9 | 14 | 12 | 7.3 | 7.4 | 7.4 | 6.7 | 7.5 | 7.1 | 61 | 158 | 110 | 1 | 5.1 | 2.9 | 0.1 | 0.15 | 0.1 | 0 | 360 | 91 | ||||||
| 1528 | BHARALU RIVER AT GUWAHATI | 19 | 32 | 25 | 0 | 2 | 0.7 | 6.5 | 7.5 | 7.2 | 697 | 884 | 778 | 30 | 58 | 45.0 | 0.21 | 1.2 | 0.6 | 300 | 730 | 530 | ||||||
| 1529 | DEEPAR BILL, ASSAM* | 20.5 | 31 | 25 | 5.8 | 9.1 | 7.8 | 6.9 | 8.4 | 7.6 | 167 | 277 | 213 | 5.4 | 10.4 | 8.1 | 0.1 | 0.15 | 0.1 | 0 | 1 | 1 | ||||||
| 2068 | U/S OF KATHAKAL AT MATIJURI, DIST. HAILAKANDI, ASSAM | 8.3 | 14 | 10 | 7.2 | 7.3 | 7.3 | 7 | 7.4 | 7.2 | 78 | 194 | 142 | 1.2 | 5.3 | 3.5 | 0.1 | 0.11 | 0.1 | 300 | 720 | 420 | ||||||
| 2524 | KALJANI D/S OF ALIPURDWAR, MUNICIPALITY DISCHARGE POINT | 20 | 28 | 24.0 | 6.7 | 8.25 | 7.2 | 6.9 | 7.65 | 7.4 | 138 | 152 | 146 | 1.4 | 3.9 | 2.6 | 0.29 | 0.64 | 0.5 | 1 | 1100 | 456 | ||||||
| 2235 | PANCHNAI RIVER AT NH-52 CROSSING, ORANG | 16 | 22 | 19.8 | 7.8 | 8.8 | 8.4 | 7.2 | 7.7 | 7.4 | 79 | 188 | 127 | 2.7 | 3.4 | 3.2 | 0.1 | 0.14 | 0.1 | |||||||||
| 2034 | RANGIT RIVER AT DAM SITE (NHPC) | 20 | 26 | 22.9 | 6 | 6.7 | 6.4 | 230 | 320 | 273 | 3 | 4.1 | 3.4 | 2.2 | 2.7 | 2.5 | 26 | 60 | 35 | 90 | 270 | 169 | ||||||
| 2035 | RANGIT RIVER AT RESHI | 21 | 27 | 23.3 | 6 | 6.5 | 6.3 | 240 | 310 | 272 | 2.8 | 4.1 | 3.4 | 2.2 | 2.7 | 2.5 | 27 | 90 | 50 | 110 | 500 | 242 | ||||||
| 2036 | RANGIT AT TREVENI | 20 | 26 | 22.1 | 6.2 | 6.5 | 6.4 | 240 | 310 | 278 | 3 | 4.2 | 3.5 | 2.2 | 2.7 | 2.5 | 23 | 130 | 60 | 90 | 900 | 323 | ||||||
| 2037 | RANGIT RIVER AT LEGSHIP | 20 | 27 | 23.1 | 6 | 6.5 | 6.4 | 250 | 320 | 284 | 3 | 4 | 3.4 | 2.2 | 2.7 | 2.5 | 23 | 170 | 54 | 90 | 500 | 193 | ||||||
| 2038 | RANGIT RIVER AT JORETHANG | 20 | 25 | 22.5 | 6 | 6.5 | 6.4 | 270 | 320 | 293 | 3 | 4.2 | 3.6 | 2.2 | 2.7 | 2.4 | 23 | 700 | 127 | 50 | 500 | 204 | ||||||