| WATER QUALITY DATA 2007 | CPCB ENVIS | ||||||||||||||||||||||||||||||||||
| WATER QUALITY OF RIVER CAUVERY - 2007 | ||||||||||||||||||||||||||||||||||
| STATION CODE | LOCATIONS | TEMPERATURE ºC | D.O. (mg/l) | pH | CONDUCTIVITY (µmhos/cm) | C.O.D. (mg/l) | B.O.D. (mg/l) | NITRATE (mg/l) | NITRITE (mg/l) | AMMONIA - 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 | MIN | MAX | MEAN | MIN | MAX | MEAN | ||
| 1198 | CAUVERY AT NAPOKULU BDG (D/S), KARNATAKA | 19 | 30 | 25 | 4.5 | 8.3 | 7.1 | 6.8 | 8.6 | 7.5 | 28 | 100 | 58 | 23.0 | 23.0 | 23.0 | 1.0 | 1.0 | 1.0 | 0.10 | 0.80 | 0.30 | 11 | 350 | 82 | 1600 | 1600 | 1600 | ||||||
| 1195 | CAUVERY AT KUSHAL NAGAR U/S (NEAR BAICHANAHALLI), KARNATAKA | 21 | 29 | 26 | 6.5 | 8.4 | 7.6 | 7.1 | 8.6 | 7.7 | 50 | 140 | 95 | 38.0 | 38.0 | 38.0 | 1.0 | 2.0 | 1.2 | 0.10 | 3.30 | 0.60 | 15 | 120 | 45 | 1600 | 1600 | 1600 | ||||||
| 33 | CAUVERY AT KRS DAM,BALAMURIKSHETRA,KARNATAKA | 23 | 29 | 26 | 4.0 | 12.0 | 8.6 | 6.5 | 8.6 | 8.0 | 68 | 360 | 236 | 12.0 | 12.0 | 12.0 | 1.0 | 2.0 | 1.1 | 0.10 | 0.80 | 0.40 | 8 | 240 | 50 | 48 | 1600 | 930 | ||||||
| 1386 | CAUVERY AT D/S OF KAREKUARA VILLAGE, KARNATAKA | 25 | 30 | 27 | 6.3 | 12.4 | 9.1 | 7.9 | 8.6 | 8.3 | 82 | 390 | 253 | 28.0 | 28.0 | 28.0 | 1.0 | 1.0 | 1.0 | 0.10 | 0.70 | 0.40 | 4 | 240 | 66 | 48 | 1600 | 1046 | ||||||
| 1171 | CAUVERY AT SRI RANGAPATTANNA,D/S OF ROAD BDG.,KARNATAKA | 25 | 30 | 27 | 3.1 | 12.0 | 8.6 | 7.8 | 8.8 | 8.2 | 88 | 400 | 266 | 28.0 | 28.0 | 28.0 | 1.0 | 2.0 | 1.3 | 0.10 | 1.20 | 0.50 | 14 | 280 | 79 | 1600 | 1600 | 1600 | ||||||
| 34 | CAUVERY AT SATHYAGALAM BRIDGE, KARNATAKA | 26 | 30 | 29 | 6.7 | 14.0 | 9.0 | 7.7 | 8.7 | 8.2 | 159 | 410 | 308 | 45.0 | 45.0 | 45.0 | 1.0 | 2.0 | 1.1 | 0.20 | 1.20 | 0.60 | 6 | 79 | 26 | 110 | 1600 | 825.45 | ||||||
| 50 | CAUVERY AT METTUR, TAMIL NADU | 24 | 30 | 27 | 4.1 | 8.4 | 6.2 | 7.1 | 8.7 | 7.8 | 272 | 1257 | 465 | 8.0 | 8.0 | 8.0 | 0.2 | 3.0 | 1.3 | 0.10 | 1.00 | 0.30 | 0.10 | 1.00 | 0.20 | 5.00 | 5.00 | 5.00 | 70 | 2200 | 453 | 90 | 2800 | 673 |
| 1322 | CAUVERY AT 1KM. D/S OF BHAVANI RIVER CONFL., TAMILNADU | 27 | 31 | 29 | 2.4 | 8.7 | 6.7 | 6.9 | 8.2 | 7.7 | 230 | 711 | 451 | 8.0 | 8.0 | 8.0 | 0.3 | 6.0 | 1.5 | 0.10 | 0.50 | 0.20 | 0.10 | 0.20 | 0.10 | 5.00 | 5.00 | 5.00 | 110 | 5000 | 1453 | 270 | 9000 | 2194 |
| 51 | CAUVERY AT PALLIPPALAYAM, TAMIL NADU | 26 | 30 | 27 | 3.8 | 7.8 | 5.8 | 7.3 | 8.6 | 7.9 | 237 | 610 | 431 | 8.0 | 8.0 | 8.0 | 0.6 | 3.0 | 1.5 | 0.10 | 0.40 | 0.20 | 0.01 | 0.10 | 0.10 | 5.00 | 5.00 | 5.00 | 140 | 2800 | 794 | 260 | 3500 | 1303 |
| 1320 | CAUVERY AT ERODE NEAR CHIRAPALAYAM, TAMILNADU | 28 | 31 | 30 | 0.0 | 7.8 | 2.8 | 7.0 | 7.9 | 7.5 | 276 | 1835 | 869 | 56.0 | 56.0 | 56.0 | 0.8 | 38.0 | 13.0 | 0.10 | 1.10 | 0.30 | 0.10 | 0.20 | 0.10 | 5.00 | 5.00 | 5.00 | 500 | 17000 | 4733 | 800 | 28000 | 10375 |
| 1323 | CAUVERY AT VELORE NEAR KATTIPALAYAM, TAMILNADU | 26 | 31 | 29 | 4.3 | 8.4 | 7.3 | 7.3 | 8.6 | 8.0 | 270 | 916 | 521 | 8.0 | 8.0 | 8.0 | 0.3 | 2.0 | 0.8 | 0.10 | 0.40 | 0.20 | 0.10 | 0.10 | 0.10 | 5.00 | 5.00 | 5.00 | 60 | 1100 | 398 | 120 | 1700 | 700 |
| 1324 | CAUVERY AT MOHANUR NEAR PATTAIPALAYAM, TAMILNADU | 24 | 30 | 28 | 5.7 | 8.6 | 7.2 | 7.1 | 8.5 | 7.9 | 254 | 988 | 530 | 8.0 | 8.0 | 8.0 | 0.2 | 2.0 | 0.9 | 0.10 | 1.20 | 0.30 | 0.10 | 0.10 | 0.10 | 5.00 | 5.00 | 5.00 | 140 | 1100 | 468 | 170 | 1400 | 672 |
| 1451 | CAUVERY AT THIRUMUKKUDAL-CONFL. PT.OF R. AMRAVATI,TAMILNADU | 30 | 31 | 30 | 6.7 | 8.2 | 7.6 | 7.8 | 8.5 | 8.2 | 360 | 940 | 622 | 8.0 | 8.0 | 8.0 | 0.6 | 2.0 | 1.2 | 0.10 | 0.25 | 0.20 | 0.10 | 0.10 | 0.10 | 5.00 | 5.00 | 5.00 | 20 | 270 | 160 | 40 | 330 | 223 |
| 31 | CAUVERY AT MUSIRI, TAMIL NADU | 30 | 32 | 31 | 6.8 | 8.4 | 7.7 | 7.4 | 8.3 | 7.9 | 342 | 970 | 641 | 8.0 | 8.0 | 8.0 | 0.5 | 2.0 | 1.3 | 0.10 | 0.33 | 0.20 | 0.10 | 0.10 | 0.10 | 5.00 | 5.00 | 5.00 | 40 | 2200 | 648 | 140 | 2800 | 863 |
| 1202 | CAUVERY AT TIRUCHIRAPPALLI U/S, TAMILNADU | 30 | 32 | 31 | 6.9 | 8.3 | 7.7 | 7.4 | 8.5 | 8.1 | 306 | 890 | 578 | 8.0 | 8.0 | 8.0 | 0.7 | 2.0 | 1.2 | 0.10 | 0.19 | 0.10 | 0.10 | 0.10 | 0.10 | 5.00 | 5.00 | 5.00 | 90 | 1700 | 713 | 140 | 2800 | 1260 |
| 1325 | CAUVERY AT TIRUCHIRAPPALLI D/S, TAMILNADU | 30 | 31 | 30 | 6.6 | 7.8 | 7.0 | 7.4 | 8.3 | 7.9 | 420 | 1104 | 753 | 8.0 | 8.0 | 8.0 | 0.1 | 6.0 | 2.3 | 0.10 | 0.30 | 0.20 | 0.10 | 0.10 | 0.10 | 5.00 | 5.00 | 5.00 | 140 | 2200 | 1188 | 270 | 3500 | 1768 |
| 1203 | CAUVERY AT TRICHY,GRAND ANAICUT, TAMILNADU | 21 | 31 | 28 | 5.5 | 8.2 | 7.3 | 6.9 | 8.8 | 7.9 | 420 | 1370 | 828 | 16.0 | 16.0 | 16.0 | 0.5 | 5.0 | 1.8 | 0.10 | 0.40 | 0.20 | 0.10 | 0.10 | 0.10 | 5.00 | 5.00 | 5.00 | 60 | 2800 | 708 | 120 | 3500 | 1082 |
| 1206 | CAUVERY AT THANJAVUR, TAMILNADU | 23 | 28 | 26 | 7.2 | 8.2 | 7.7 | 7.5 | 8.3 | 7.8 | 300 | 601 | 414 | 0.2 | 1.0 | 0.5 | 0.10 | 0.10 | 0.10 | 0.10 | 0.10 | 0.10 | 40 | 800 | 323 | 90 | 1100 | 453 | ||||||
| 1326 | CAUVERY AT COLEROON, TAMILNADU | 24 | 32 | 29 | 6.7 | 8.8 | 7.8 | 7.5 | 8.6 | 7.9 | 449 | 56500 | 10120 | 16.0 | 16.0 | 16.0 | 0.3 | 3.0 | 1.3 | 0.10 | 0.30 | 0.10 | 0.10 | 0.30 | 0.10 | 70 | 800 | 281 | 80 | 2800 | 670 | |||
| 1327 | CAUVERY AT PITCHAVARAM, TAMILNADU | 25 | 31 | 29 | 1.8 | 8.6 | 5.9 | 6.8 | 8.3 | 7.6 | 460 | 55500 | 7917 | 16.0 | 16.0 | 16.0 | 0.1 | 2.0 | 1.0 | 0.10 | 0.90 | 0.20 | 0.10 | 0.10 | 0.10 | 5.00 | 5.00 | 5.00 | 90 | 3500 | 689 | 140 | 16000 | 1959 |