| WATER QUALITY DATA 2008 | CPCB ENVIS | ||||||||||||||||||||||||||||
| WATER QUALITY OF RIVER SUBANSIRI, KHARSANG, BURHIDIHING, PAGLDIA, DIGBOI, JAI BHARALI, KOLONG, MANAS, DISANG, JHANJI, BHOGDOI, MORA BHARALI, BORAK, BHARALU, DEEPAR BILL & KATHAKAL - 2008 | ||||||||||||||||||||||||||||
| 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,ASSAM,(BEFORE CONFL. WITH BRAH.),ASSAM | 14 | 24 | 19 | 8.5 | 9.9 | 9.1 | 6.7 | 7.6 | 7.1 | 50 | 147 | 81 | 0.5 | 2.7 | 1.65 | 0.1 | 0.2 | 0.15 | 0 | 0 | 0 | 1 | 360 | 91 | |||
| 2061 | RIVER KHARSANG BEFORE CONFLUENCE WITH BURIDIHING NEAR KHARSANG (ASSAM-ARUNANCHAL BORDER) | 19 | 25 | 22 | 6.8 | 7.4 | 7.1 | 6.5 | 7.3 | 7.0 | 120 | 516 | 229 | 0.7 | 2.1 | 1.25 | 0.1 | 0.4 | 0.18 | 0 | 300 | 100 | 1 | 910 | 424 | |||
| 1422 | BURHIDIHING AT MARGHERITA, ASSAM | 20 | 26 | 23 | 5.1 | 9.0 | 6.6 | 6.4 | 7.4 | 6.9 | 301 | 493 | 354 | 0.9 | 2.2 | 1.53 | 0.1 | 0.6 | 0.33 | 0 | 300 | 75 | 1 | 910 | 500 | |||
| 2062 | BURIDIHING NEAR DULIAJAN AT D/S, TINSUKIA | 21 | 28 | 25 | 5.4 | 8.0 | 6.9 | 6.1 | 7.6 | 7.1 | 132 | 860 | 403 | 0.7 | 3.0 | 1.75 | 0.1 | 0.6 | 0.25 | 0 | 300 | 75 | 1 | 910 | 500 | |||
| 2230 | BURHIDIHING RIVER AT DULIAJAN (INTAKE POINT OF OIL INDIA LTD.) | 20 | 29 | 26 | 7.0 | 7.2 | 7.1 | 6.5 | 7.3 | 6.9 | 125 | 294 | 235 | 1.9 | 7.0 | 4.07 | 0.1 | 0.3 | 0.2 | 0 | 0 | 0 | 1 | 360 | 181 | |||
| 2065 | PAGLDIA RIVER NEAR NALBARI TOWN, DIST. NALBARI, ASSAM | 26.5 | 35 | 31 | 6.6 | 8.5 | 7.5 | 7.6 | 8.1 | 7.9 | 220 | 260 | 243 | 0.4 | 1.8 | 0.93 | 0.1 | 0.2 | 0.13 | 0 | 360 | 180 | 360 | 4300 | 2330 | |||
| 1530 | DIGBOI RIVER AT LAKHIPATHE, RESERVE FOREST, DIGBOI, ASSAM | 13 | 27 | 23 | 3.6 | 9.2 | 6.8 | 6.7 | 7.0 | 6.8 | 140 | 187 | 161 | 0.4 | 3.7 | 2.10 | 0.1 | 0.1 | 0.10 | 0 | 300 | 75 | 300 | 1500 | 860 | |||
| 2063 | JAI BHARALI RIVER NEAR BISWANATH CHARALI, SONITPUR | 12 | 26 | 21 | 7.9 | 8.6 | 8.3 | 7.2 | 7.4 | 7.3 | 76 | 98 | 87 | 0.6 | 1.4 | 0.98 | 0.1 | 0.1 | 0.10 | 0 | 0 | 0 | 300 | 910 | 575 | |||
| 2237 | KALONG RIVER AT U/S OF ANANDARAM DEKIAL PHUKAN BRIDGE, NAGAON | 27 | 33 | 29 | 5.5 | 8.0 | 6.7 | 6.9 | 7.2 | 7.1 | 175 | 189 | 181 | 0.8 | 3.6 | 2.33 | 0.1 | 0.1 | 0.1 | 0 | 1500 | 867 | 910 | 2200 | 1703 | |||
| 2059 | KOLONG RIVER AT MARIGAON | 19 | 32 | 27 | 7.3 | 8.3 | 7.8 | 7.1 | 7.9 | 7.6 | 98 | 110 | 104 | 0.6 | 3.3 | 2.28 | 0.2 | 0.2 | 0.20 | 0 | 730 | 438 | 700 | 3500 | 1508 | |||
| 2060 | MANAS RIVER AT NH-31 CROSSING, BARPETA, DISTRICT | 21 | 32 | 28 | 5.7 | 8.8 | 7.4 | 7.0 | 7.9 | 7.6 | 350 | 479 | 437 | 0.5 | 0.9 | 0.63 | 0.1 | 0.1 | 0.10 | 0 | 1500 | 750 | 360 | 15000 | 4630 | |||
| 2058 | DISANG RIVER AT DILLIGHAT, DIBRUGARH DIST., ASSAM | 14 | 26 | 22 | 5.5 | 9.0 | 7.4 | 6.3 | 7.3 | 6.6 | 122 | 223 | 152 | 0.8 | 5.5 | 2.30 | 0.1 | 0.3 | 0.15 | 0 | 360 | 180 | 1 | 910 | 545 | |||
| 1298 | DISANG AT GUNDAMGHAT, ASSAM | 16 | 23 | 21 | 5.8 | 7.2 | 6.5 | 6.8 | 7.3 | 7.0 | 110 | 256 | 161 | 1.2 | 5.0 | 2.67 | 0.2 | 0.4 | 0.30 | 0 | 0 | 0 | 1 | 360 | 220 | |||
| 1258 | JHANJI AT N.H. CROSSING JORHAT, ASSAM | 18 | 26 | 22 | 5.8 | 18.0 | 9.3 | 6.9 | 7.7 | 7.3 | 130 | 254 | 165 | 0.8 | 1.6 | 1.10 | 0.1 | 0.1 | 0.10 | 300 | 730 | 423 | 700 | 2100 | 1110 | |||
| 1527 | BHOGDOI RIVER AT JORHAT ,ASSAM | 17 | 25 | 22 | 5.4 | 6.5 | 5.9 | 6.8 | 7.6 | 7.2 | 176 | 221 | 196 | 0.8 | 2.6 | 1.63 | 0.1 | 0.1 | 0.10 | 0 | 360 | 180 | 730 | 1100 | 913 | |||
| 1531 | *MORA BHARALI AT TEZPUR, ASSAM | 12 | 27 | 22 | 7.5 | 9.0 | 8.1 | 7.0 | 7.6 | 7.3 | 108 | 246 | 202 | 0.9 | 4.0 | 2.15 | 0.1 | 0.2 | 0.13 | 0 | 0 | 0 | 1 | 910 | 638 | |||
| 1423 | BORAK AT PANCHAGRAM , ASSAM | 13 | 28 | 17 | 6.4 | 7.9 | 7.2 | 7.1 | 8.1 | 7.6 | 145 | 203 | 162 | 0.5 | 1.3 | 0.88 | 0.1 | 0.1 | 0.10 | 0 | 2000 | 575 | 1 | 2700 | 940 | |||
| 1528 | BHARALU RIVER AT GUWAHATI | 22 | 35 | 28 | - | - | - | 7.3 | 7.7 | 7.4 | 750 | 868 | 785 | 2.2 | 31.5 | 18.43 | 0.1 | 0.1 | 0.10 | 1500 | 24000 | 9267 | 2100 | 110000 | 40467 | |||
| 1529 | DEEPAR BILL, ASSAM* | 22 | 32 | 28 | 5.0 | 10.2 | 8.1 | 6.9 | 7.8 | 7.3 | 180 | 190 | 186 | 0.7 | 8.2 | 3.15 | 0.1 | 0.2 | 0.13 | 0 | 910 | 547 | 730 | 1500 | 1243 | |||
| 2068 | U/S OF KATHAKAL AT MATIJURI, DIST. HAILAKANDI, ASSAM | 12 | 28 | 16 | 7.0 | 8.1 | 7.5 | 7.0 | 8.1 | 7.7 | 180 | 193 | 187 | 0.7 | 2.5 | 1.35 | 0.1 | 0.1 | 0.10 | 0 | 2600 | 1025 | 730 | 2800 | 1783 | |||