WATER QUALITY DATA 2011 |CPCB ENVIS
 WATER QUALITY OF RIVER CAUVERY - 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
1198 CAUVERY AT NAPOKULU BDG (D/S) KARNATAKA 20.0 28.0 24.5 5.8 7.9 6.9 6.2 8.5 7.5 34 90 59 1.0 1.0 1.0 0.07 0.24 0.14 1600 1600 1600 1600 1600 1600
1195 CAUVERY AT KUSHAL NAGAR U/S (NEAR BAICHANAHALLI) KARNATAKA 20.0 28.0 25.3 5.9 8.0 7.0 6.9 8.8 7.8 46 132 93 1.0 1.0 1.0 0.00 0.32 0.13 1600 1600 1600 1600 1600 1600
33 CAUVERY AT KRS DAM, BALAMURIKSHETRA KARNATAKA 24.0 28.0 26.6 6.0 7.8 7.0 8.1 8.9 8.5 122 322 235 1.0 1.0 1.0 0.12 0.80 0.31 1600 1600 1600 1600 1600 1600
1386 CAUVERY AT D/S OF KAREKUARA VILLAGE KARNATAKA 24.0 29.0 26.8 5.8 8.4 6.9 7.6 8.8 8.5 157 324 243 1.0 1.0 1.0 0.15 0.55 0.33 1600 1600 1600 1600 1600 1600
1171 CAUVERY AT SRI RANGAPATTANNA,D/S OF ROAD BDG. KARNATAKA 24.0 29.0 26.4 4.7 7.7 6.1 7.6 8.6 8.1 140 384 280 1.0 2.0 1.6 0.13 0.65 0.38 1600 1600 1600 1600 1600 1600
34 CAUVERY AT SATHYAGALAM BRIDGE KARNATAKA 25.0 27.0 26.5 6.4 8.5 7.6 7.5 8.7 8.1 190 518 336 1.0 1.0 1.0 0.22 0.92 0.46 1600 1600 1600 1600 1600 1600
2773 CAUVERY AT BANNUR BRIDGE KARNATAKA 25.0 29.0 26.7 5.2 8.5 7.0 7.5 8.7 8.1 207 428 331 1.0 2.0 1.3 0.24 0.54 0.39 1600 1600 1600 1600 1600 1600
2774 CAUVERY AT RANGANATHITTU KARNATAKA 24.0 28.0 25.8 5.9 7.7 6.7 6.9 8.4 8.1 161 396 277 1.0 2.0 1.1 0.15 0.69 0.35 1600 1600 1600 1600 1600 1600
50 CAUVERY AT METTUR TAMILNADU 24.0 29.0 27.9 3.2 8.8 6.5 7.6 8.7 8.1 291 602 417 0.7 5.0 1.5 0.05 0.67 0.20 80 220 166 170 400 334
1322 CAUVERY AT 1KM. D/S OF BHAVANI RIVER CONFL TAMILNADU 27.0 31.0 28.4 4.7 9.6 6.2 7.7 8.4 8.0 293 812 475 0.3 3.7 1.1 0.03 1.36 0.25 90 220 163 200 400 324
51 CAUVERY AT PALLIPPALAYAM TAMILNADU 25.0 28.0 26.7 5.5 8.2 6.7 7.3 8.4 7.9 280 613 425 0.5 2.3 1.2 0.04 0.39 0.20 110 1300 307 210 2200 543
1320 CAUVERY AT ERODE NEAR CHIRAPALAYAM TAMILNADU 27.0 31.0 28.5 1.7 8.7 5.6 7.3 8.2 7.7 262 920 475 0.4 5.1 1.7 0.08 0.70 0.25 110 2200 388 240 3500 673
1323 CAUVERY AT VELORE NEAR KATTIPALAYAM TAMILNADU 25.0 28.0 26.2 5.5 9.6 6.9 7.1 8.3 7.9 289 719 442 0.5 2.4 1.3 0.02 0.31 0.17 110 460 171 220 940 347
3015 CAUVERY AT PUGALUR, KARUR TAMILNADU 27.0 32.0 28.9 5.7 9.7 7.4 7.7 8.8 8.2 369 1332 727 0.1 1.9 1.2 0.06 0.41 0.22 90 220 161 210 470 323
1324 CAUVERY AT MOHANUR NEAR PATTAIPALAYAM TAMILNADU 25.0 27.0 25.8 5.2 8.2 6.8 7.0 8.5 7.8 331 840 500 0.7 2.5 1.3 0.02 0.34 0.16 110 330 177 260 700 368
1451 CAUVERY AT THIRUMUKKUDAL-CONFL. PT.OF R. AMRAVATI TAMILNADU 26.0 31.0 28.0 4.3 8.0 6.5 7.6 8.6 8.1 376 993 635 0.2 1.3 0.8 0.01 0.64 0.17 80 310 160 210 460 325
31 CAUVERY AT MUSIRI TAMILNADU 24.0 30.0 28.3 6.7 10.5 8.0 7.4 8.5 8.1 316 892 598 0.4 1.5 0.9 0.06 0.42 0.18 60 320 144 170 520 303
3016 CAUVERY AT PETTAIVAITHALAI, TRICHY TAMILNADU 24.0 30.0 27.8 5.5 10.6 7.6 4.3 8.4 7.8 437 903 670 0.2 1.6 0.9 0.04 0.48 0.23 110 220 151 220 390 305
1202 CAUVERY AT TIRUCHIRAPPALLI U/S TAMILNADU 23.0 29.0 27.6 6.5 9.1 7.6 7.6 8.6 8.2 326 814 576 0.3 1.4 0.8 0.01 0.34 0.20 110 170 144 220 390 287
1325 CAUVERY AT TIRUCHIRAPPALLI D/S TAMILNADU 23.0 29.0 26.6 3.7 8.3 6.1 7.5 8.5 8.0 418 1026 739 0.7 4.2 1.9 0.03 0.42 0.16 140 790 255 320 1100 460
1203 CAUVERY AT TRICHY,GRAND ANAICUT TAMILNADU 22.0 28.0 26.0 4.8 8.0 6.4 7.6 8.4 8.1 409 1061 752 0.6 5.3 1.9 0.03 0.42 0.20 110 940 300 220 1400 503
1206 CAUVERY AT THANJAVUR TAMILNADU 25.0 32.0 28.2 3.6 8.2 6.5 7.4 8.6 8.0 358 1099 657 0.3 3.9 1.3 0.04 0.37 0.21 90 330 154 220 460 317
3018 CAUVERY AT MAYILADUTHURAI, NAGAPATTINAM TAMILNADU 24.0 27.0 24.3 6.0 7.8 6.8 7.7 8.6 8.1 288 915 576 0.7 3.9 1.9 0.01 0.45 0.22 110 260 165 200 460 319
3012 CAUVERY AT KOMARAPALAYAM, NAMAKAL TAMILNADU 25.0 28.0 26.8 4.0 10.4 6.4 7.4 8.2 7.8 297 700 431 0.4 3.4 1.3 0.01 0.45 0.25 90 270 178 200 470 348
3013 CAUVERY AT URRACHIKOTTAI, ERODE TAMILNADU 26.0 28.0 27.5 3.3 7.9 5.8 7.3 8.4 7.9 97 549 290 0.5 2.5 1.2 0.05 0.75 0.19 20 220 134 90 390 288
3014 CAUVERY AT VAIRAPALAYAM, NAMAKAL TAMILNADU 25.0 28.0 26.9 3.0 10.9 6.9 7.2 8.3 7.8 252 606 399 0.2 4.7 1.9 0.05 0.48 0.21 110 490 169 210 940 352
3017 CAUVERY AT KUMBAKONAM, THANJAVUR TAMILNADU 23.0 33.0 27.5 4.6 8.3 7.0 7.5 8.7 8.1 316 816 513 0.7 4.6 1.7 0.04 0.34 0.22 110 340 182 210 6200 864
ESTUARINE ZONE                                                  
1326 CAUVERY AT COLEROON TAMILNADU 26.0 33.0 31.5 7.2 10.2 8.1 7.4 8.6 8.0 270 3640 1133 0.2 2.4 0.8 0.06 0.42 0.20 70 220 148 140 400 303
1327 CAUVERY AT PITCHAVARAM TAMILNADU 25.0 34.0 31.8 5.8 8.9 7.8 7.6 8.8 8.1 283 3520 1073 0.1 7.2 1.6 0.03 0.31 0.16 70 220 148 110 400 288