WATER QUALITY DATA 2010 | CPCB ENVIS
WATER QUALITY OF RIVER CAUVERY - 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
1198 CAUVERY AT NAPOKULU BDG (D/S) 21.0 28.0 24.2 6.8 8.4 7.6 6.5 8.6 7.5 18 120 53 1.0 1.0 1.0 0.10 2.16 0.80       350 1600 1496 350 1600 1496
1195 CAUVERY AT KUSHAL NAGAR U/S (NR BAICHANAHALLI) 23.0 28.0 25.6 6.8 8.6 7.6 7.2 8.8 7.8 31 170 98 1.0 1.0 1.0 0.14 3.42 1.03       1600 1600 1600 1600 1600 1600
33 CAUVERY AT KRS DAM, BALAMURIKSHETRA 25.0 30.0 27.6 6.3 8.5 7.4 7.9 8.9 8.4 81 380 263 1.0 1.0 1.0 0.19 1.43 0.64       1600 1600 1600 1600 1600 1600
1386 CAUVERY AT D/S OF KAREKUARA VILLAGE 25.0 29.0 27.3 6.5 8.8 7.6 8.0 8.7 8.3 88 410 269 1.0 1.0 1.0 0.19 1.89 0.77       1600 1600 1600 1600 1600 1600
1171 CAUVERY AT SRI RANGAPATTANNA, D/S OF ROAD BDG. 25.0 28.0 27.0 5.8 7.6 6.9 7.2 8.5 8.0 112 400 298 1.0 1.0 1.0 0.21 7.72 1.47       1600 1600 1600 1600 1600 1600
34 CAUVERY AT SATHYAGALAM BRIDGE 25.0 29.0 27.8 6.2 8.8 7.7 7.4 8.9 8.2 170 470 363 1.0 1.0 1.0 0.02 1.85 0.63       1600 1600 1600 1600 1600 1600
50 CAUVERY AT METTUR 24.0 32.0 27.7 5.1 8.4 6.7 7.5 8.8 8.2 288 439 369 0.1 4.0 1.7 0.01 0.79 0.15 0.002 1.82 0.26 110 400 210 260 490 364
1322 CAUVERY AT 1KM. D/S OF BHAVANI RIVER CONFL. 24.0 32.0 29.2 4.6 7.5 6.1 7.3 8.1 7.8 284 628 405 0.6 5.1 1.5 0.01 0.45 0.12 0.004 0.05 0.02 140 14000 1470 320 17000 1956
51 CAUVERY AT PALLIPPALAYAM 24.0 30.0 27.0 3.9 9.5 6.3 7.6 8.6 8.0 293 841 520 0.2 5.1 1.8 0.01 1.19 0.22 0.002 0.37 0.07 80 700 263 240 1100 473
1320 CAUVERY AT ERODE NEAR CHIRAPALAYAM 25.0 32.0 29.2 0.6 8.1 4.1 6.8 8.3 7.7 278 1024 687 0.6 27.0 5.5 0.01 0.74 0.18 0.003 4.11 0.61 170 12000 1602 380 15000 2311
1323 CAUVERY AT VELORE NEAR KATTIPALAYAM 25.0 34.0 27.4 4.0 9.0 6.7 7.2 8.4 8.0 312 801 538 0.3 4.1 1.1 0.03 0.89 0.17 0.01 0.38 0.11 110 410 200 240 480 371
3015 CAUVERY AT PUGALUR, KARUR 26.0 26.0 26.0 7.9 7.9 7.9 8.3 8.3 8.3 1068 1068 1068 0.4 0.4 0.4 0.10 0.10 0.10       110 110 110 220 220 220
1324 CAUVERY AT MOHANUR NEAR PATTAIPALAYAM 25.0 31.0 26.8 3.9 9.0 6.9 7.0 8.5 8.0 320 830 506 0.1 4.7 1.2 0.01 0.68 0.14 0.002 0.23 0.06 110 390 192 200 470 348
1451 CAUVERY AT THIRUMUKKUDAL-CONFL. PT.OF R. AMRAVATI 28.0 31.0 29.8 0.4 8.5 5.8 7.9 8.5 8.3 524 740 613 0.4 0.7 0.5 0.06 0.13 0.08 0.01 0.03 0.02 60 140 100 170 330 254
31 CAUVERY AT MUSIRI 28.0 31.0 29.3 7.2 9.8 8.5 8.0 8.4 8.2 430 764 572 0.4 0.8 0.6 0.03 0.18 0.10 0.003 0.02 0.01 20 140 90 70 320 228
3016 CAUVERY AT PETTAIVAITHALAI, TRICHY 27.0 27.0 27.0 7.6 7.6 7.6 8.4 8.4 8.4 757 757 757 0.7 0.7 0.7 0.11 0.11 0.11       110 110 110 320 320 320
1202 CAUVERY AT TIRUCHIRAPPALLI U/S 28.0 30.0 29.0 6.4 9.4 7.8 7.8 8.5 8.2 378 689 545 0.6 7.8 2.3 0.07 2.21 0.55 0.01 0.09 0.04 90 170 130 220 330 254
1325 CAUVERY AT TIRUCHIRAPPALLI D/S 27.0 29.0 27.5 5.3 7.8 6.3 7.7 8.2 8.0 505 812 666 0.4 1.5 1.0 0.03 0.15 0.11 0.01 0.02 0.01 140 210 166 320 470 356
1203 CAUVERY AT TRICHY, GRAND ANAICUT 24.0 34.0 29.0 4.5 11.6 7.6 7.6 8.7 8.0682 444 1225 757 0.2 7.0 2.0 0.02 0.20 0.11 0.01 1.62 0.17 110 700 252 320 940 455
1206 CAUVERY AT THANJAVUR 27.0 33.0 29.7 7.1 12.2 9.0 7.8 8.6 8.2 438 876 648 0.3 0.8 0.6 0.09 0.09 0.09 0.01 0.04 0.02 110 170 130 240 330 293
3018 CAUVERY AT MAYILADUTHURAI, NAGAPATTINAM 24.0 24.0 24.0 5.5 5.5 5.5 7.1 7.1 7.1 448 448 448 1.4 1.4 1.4 0.14 0.14 0.14       170 170 170 340 340 340
ESTUARINE ZONE                                                      
1326 CAUVERY AT COLEROON 27.0 31.0 29.3 6.4 9.6 7.8 8.0 8.6 8.2 173 8430 1593 0.2 2.0 1.2 0.02 0.28 0.08 0.01 1.80 0.19 50 1400 263 140 1700 442
1327 CAUVERY AT PITCHAVARAM 27.0 32.0 29.7 2.1 9.6 7.0 7.7 8.5 8.1 291 1724 938 0.3 4.5 1.6 0.01 0.56 0.12 0.01 0.16 0.04 70 940 228 170 1400 407