| WATER QUALITY DATA 2012 | CPCB ENVIS | ||||||||||||||||||||||||||
| WATER QUALITY OF RIVER CAUVERY - 2012 | ||||||||||||||||||||||||||
| STATION CODE | LOCATIONS | STATE | TEMPERATURE șC | D.O. (mg/l) | pH | CONDUCTIVITY (”mhos/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 | |||||||||||||||||||||
| 1198 | CAUVERY AT NAPOKULU BDG (D/S) | KARNATAKA | 22 | 28 | 25 | 5.9 | 8.1 | 6.9 | 6.6 | 8.2 | 7.4 | 38 | 80 | 59 | 1 | 2 | 1.1 | 0 | 0.07 | 0.05 | 36 | 1600 | 1231 | 230 | 1600 | 1336 |
| 1195 | CAUVERY AT KUSHAL NAGAR U/S (NEAR BAICHANAHALLI) | KARNATAKA | 24 | 29 | 26 | 6 | 8.1 | 7.1 | 7.1 | 8.6 | 7.7 | 55 | 170 | 105 | 1 | 2 | 1.1 | 0.07 | 0.2 | 0.12 | 260 | 1600 | 1303 | 1400 | 3500 | 1792 |
| 33 | CAUVERY AT KRS DAM, BALAMURIKSHETRA | KARNATAKA | 25 | 28 | 26 | 6.3 | 8 | 7.1 | 7.5 | 8.7 | 8.1 | 100 | 285 | 217 | 1 | 2 | 1.2 | 0.15 | 0.49 | 0.28 | 170 | 1600 | 1258 | 1100 | 1600 | 1525 |
| 1386 | CAUVERY AT D/S OF KAREKUARA | KARNATAKA | 24 | 29 | 26 | 6.1 | 8.6 | 7.2 | 7.8 | 8.7 | 8.3 | 112 | 319 | 256 | 1 | 2 | 1.2 | 0.16 | 0.5 | 0.32 | 61 | 1600 | 1217 | 330 | 1600 | 1303 |
| 1171 | CAUVERY AT SRIRANGA PATTANNA, D/S OF ROAD BDG | KARNATAKA | 24 | 32 | 27 | 5.1 | 7.1 | 6.1 | 7.4 | 8.2 | 7.9 | 152 | 376 | 306 | 2 | 4 | 2.7 | 0.2 | 0.53 | 0.4 | 1600 | 4300 | 2150 | 1600 | 22000 | 6200 |
| 34 | CAUVERY AT SATHYAGALAM BDG | KARNATAKA | 25 | 28 | 27 | 4.8 | 8.5 | 6.7 | 7.1 | 8.6 | 7.9 | 44 | 462 | 304 | 1 | 4 | 1.8 | 0.17 | 0.53 | 0.4 | 400 | 1600 | 1320 | 1600 | 8400 | 2258 |
| 2773 | CAUVERY AT BANNUR BRIDGE | KARNATAKA | 26 | 30 | 27 | 5.7 | 72 | 11.8 | 7.3 | 8.7 | 7.9 | 270 | 426 | 365 | 1 | 3 | 1.9 | 0.33 | 0.6 | 0.46 | 270 | 1600 | 1282 | 1100 | 1700 | 1550 |
| 2774 | CAUVERY AT RANGANATHITTU | KARNATAKA | 23 | 30 | 26 | 5.5 | 6.9 | 6.5 | 7.4 | 8.6 | 8 | 138 | 326 | 269 | 1 | 4 | 2 | 0.18 | 0.51 | 0.33 | 1600 | 3300 | 1792 | 1600 | 16000 | 4467 |
| 50 | CAUVERY AT METTUR | TAMILNADU | 27 | 33 | 30 | 4.7 | 8.6 | 6.2 | 7.5 | 8.6 | 7.9 | 328 | 1479 | 477 | 0.3 | 2.9 | 1.1 | 0.07 | 0.29 | 0.17 | 110 | 170 | 136 | 210 | 330 | 275 |
| 1322 | CAUVERY AT 1KM. D/S OF BHAVANI RIVER CONFL. | TAMILNADU | 24 | 32 | 28 | 2.6 | 7.1 | 5.4 | 7.6 | 8.3 | 7.9 | 346 | 550 | 431 | 0.1 | 2.2 | 1.1 | 0.04 | 0.6 | 0.2 | 130 | 210 | 156 | 260 | 400 | 312 |
| 51 | CAUVERY AT PALLIPPALAYAM | TAMILNADU | 25 | 31 | 27 | 1.7 | 7.9 | 5.6 | 7.3 | 8.3 | 7.8 | 325 | 597 | 479 | 0.9 | 2.6 | 1.5 | 0.04 | 0.49 | 0.18 | 110 | 270 | 173 | 260 | 400 | 329 |
| 1320 | CAUVERY AT ERODE NEAR CHIRAPALAYAM | TAMILNADU | 24 | 33 | 29 | 1.3 | 7.6 | 4.9 | 7.3 | 8.3 | 7.8 | 5 | 1361 | 527 | 0.3 | 15.3 | 3.5 | 0.03 | 0.8 | 0.19 | 130 | 11000 | 1342 | 270 | 22000 | 2554 |
| 1323 | CAUVERY AT VELORE NEAR KATTIPALAYAM | TAMILNADU | 24 | 30 | 26 | 5.4 | 8.8 | 7.1 | 7.6 | 8.4 | 8 | 364 | 730 | 519 | 0.1 | 3.2 | 1.3 | 0.06 | 0.75 | 0.23 | 110 | 220 | 134 | 220 | 340 | 277 |
| 3015 | CAUVERY AT PUGALUR, KARUR | TAMILNADU | 26 | 37 | 30 | 5 | 8.6 | 6.8 | 7.3 | 8.3 | 7.9 | 448 | 946 | 672 | 0.2 | 3.8 | 1.2 | 0.03 | 0.31 | 0.19 | 110 | 220 | 162 | 270 | 390 | 312 |
| 1324 | CAUVERY AT MOHANUR NEAR PATTAIPALAYAM | TAMILNADU | 24 | 29 | 26 | 2.8 | 9.2 | 5.9 | 7.4 | 8.4 | 7.9 | 385 | 798 | 548 | 0.4 | 6.5 | 1.8 | 0.02 | 1.17 | 0.27 | 110 | 260 | 153 | 220 | 390 | 318 |
| 1451 | CAUVERY AT THIRUMUKKUDAL-CONFL. PT.OF R. AMRAVAT | TAMILNADU | 27 | 34 | 30 | 4.9 | 8.7 | 7.1 | 7.7 | 8.4 | 8.1 | 456 | 831 | 637 | 0.3 | 2 | 0.7 | 0.04 | 0.4 | 0.23 | 110 | 170 | 139 | 260 | 340 | 284 |
| 31 | CAUVERY AT MUSIRI | TAMILNADU | 26 | 30 | 28 | 4.8 | 9 | 7 | 7.7 | 8.4 | 8 | 455 | 747 | 652 | 0.3 | 2.2 | 1.1 | 0.09 | 1.14 | 0.25 | 70 | 170 | 139 | 170 | 330 | 279 |
| 3016 | CAUVERY AT PETTAIVAITHALAI, TRICHY | TAMILNADU | 26 | 30 | 29 | 4.1 | 8.4 | 6.8 | 7.3 | 8.4 | 7.9 | 515 | 981 | 684 | 0.2 | 3.1 | 1.2 | 0.07 | 0.51 | 0.21 | 110 | 170 | 140 | 220 | 340 | 286 |
| 1202 | CAUVERY AT TIRUCHIRAPPALLI U/S | TAMILNADU | 26 | 30 | 28 | 5.9 | 7.8 | 7.1 | 7.4 | 8.5 | 7.9 | 378 | 694 | 589 | 0 | 2.7 | 1.1 | 0.05 | 0.7 | 0.21 | 70 | 170 | 122 | 170 | 320 | 271 |
| 1325 | CAUVERY AT TIRUCHIRAPPALLI D/S | TAMILNADU | 26 | 30 | 28 | 3.6 | 7.6 | 5.6 | 7 | 8.6 | 7.7 | 436 | 1041 | 820 | 0.3 | 10.6 | 2.1 | 0.02 | 0.98 | 0.23 | 110 | 330 | 179 | 260 | 700 | 376 |
| 1203 | CAUVERY AT TRICHY,GRAND ANAICUT | TAMILNADU | 26 | 30 | 28 | 2.9 | 7.6 | 5.5 | 7 | 8.2 | 7.7 | 406 | 1032 | 807 | 0.8 | 9 | 1.8 | 0.06 | 0.95 | 0.25 | 70 | 260 | 151 | 170 | 470 | 316 |
| 1206 | CAUVERY AT THANJAVUR | TAMIL NADU | 20 | 31 | 27 | 4.7 | 8.2 | 6.9 | 7.8 | 8.4 | 8.2 | 358 | 1098 | 767 | 0.2 | 2.1 | 1 | 0.04 | 0.32 | 0.19 | 110 | 170 | 128 | 210 | 330 | 265 |
| 3018 | CAUVERY AT MAYILADUTHURAI, NAGAPATTINAM | TAMILNADU | 24 | 24 | 24 | 2.5 | 8.8 | 6.2 | 7.5 | 8.7 | 8 | 352 | 1686 | 722 | 0.1 | 1.9 | 0.8 | 0.03 | 0.94 | 0.27 | 110 | 270 | 142 | 170 | 390 | 246 |
| 3012 | CAUVERY AT KOMARAPALAYAM, NAMAKA | TAMILNADU | 25 | 32 | 28 | 3.1 | 7.5 | 5.3 | 7.5 | 8.3 | 7.8 | 338 | 574 | 480 | 0.1 | 9.3 | 2.5 | 0.08 | 0.58 | 0.21 | 110 | 330 | 162 | 220 | 490 | 322 |
| 3013 | CAUVERY AT URRACHIKOTTAI, ERODE | TAMILNADU | 27 | 29 | 28 | 4.1 | 8.3 | 6.5 | 6.9 | 8.5 | 7.8 | 163 | 424 | 340 | 0.2 | 2 | 0.9 | 0.03 | 0.31 | 0.16 | 110 | 170 | 130 | 210 | 330 | 279 |
| 3014 | CAUVERY AT VAIRAPALAYAM, NAMAKAL | TAMILNADU | 25 | 30 | 28 | 3.4 | 7 | 5.2 | 7.4 | 8.3 | 7.9 | 303 | 510 | 417 | 0.3 | 3.5 | 1.6 | 0.04 | 0.94 | 0.24 | 110 | 220 | 173 | 210 | 470 | 323 |
| 3017 | CAUVERY AT KUMBAKONAM, THANJAVUR | TAMILNADU | 22 | 32 | 28 | 5.8 | 8.4 | 6.7 | 7.5 | 8.4 | 8 | 403 | 674 | 571 | 0.5 | 2.5 | 1.2 | 0.06 | 0.27 | 0.18 | 80 | 140 | 119 | 170 | 330 | 252 |
| ESTUARINE ZONE | ||||||||||||||||||||||||||
| 1326 | CAUVERY AT COLEROON | TAMILNADU | 28 | 32 | 31 | 5.6 | 8.5 | 7 | 7.3 | 8.9 | 8.2 | 521 | 41100 | 8300 | 0.1 | 1.7 | 0.8 | 0.05 | 0.67 | 0.21 | 2 | 210 | 73 | 2 | 340 | 148 |
| 1327 | CAUVERY AT PITCHAVARAM | TAMILNADU | 27 | 33 | 31 | 1.3 | 7.7 | 4.9 | 7.3 | 9.1 | 8.3 | 524 | 6580 | 2122 | 0.5 | 21.9 | 3.6 | 0.04 | 1.25 | 0.31 | 2 | 1300 | 212 | 2 | 2200 | 379 |