WATER QUALITY DATA 2009 | ENVIS CPCB
 WATER QUALITY OF MEDIUM & MINOR RIVERS IN KERALA - 2009
                                                     
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
17 PERIYAR NEAR ALWAYE-ELOOR, KERALA 26 32 28 4.7 8 8.1 6 7.6 6.3 59 10200 1414 1.0 2.2 1.1 0.20 1.00 0.31 0.2 0.2 0.0 90 850 100 200 4770 690
18 PERIYAR AT KALADY, KERALA 24 31 27 4.0 7.9 6.9 6.4 7.4 6.8 31 60 41 0.2 2.0 0.8 0.10 0.40 0.22 0.0 0.0 0.0 80 880 261 110 6120 1487
20 CHALIYAR AT KOOLIMADU, KERALA 24 29 27 6.6 7.4 6.9 6.3 7.5 6.9 31 300 78 0.1 1.0 0.5 0.05 0.60 0.23 0.0 0.0 0.0 50 1100 393 150 1700 703
21 CHALIYAR AT CHUNGAPALLY, KERALA 24 29 26 5.2 5.2 6.7 6.4 7.2 6.9 38 25800 5507 0.3 0.9 0.6 0.10 0.10 0.28 0.0 0.0 0.0 90 90 433 220 220 715
42 KALLADA AT PERUMTHOTTAMKADAVU, PUNALOOR, KERALA 26 29 27 6 8 7.3 6.8 7.3 7.0 38 63 49 0.2 1.4 0.7 0.10 1.90 0.66 0.0 0.0 0.0 60 540 228 100 1100 445
43 MUVATTAPUZHA AT VETTIKKATTUMUKKU, KERALA 57 30 28 13.7 7.2 6.7 6 7.9 6.7 144 90 67 2.5 2.3 1.3 0.80 0.70 0.40 0.0 0.0 0.0 880 900 309 2000 2380 1025
1154 CHALAKUDY AT PULICKALKA-DAVU, KERALA 25 33 29 5.4 7.5 6.5 6.2 7 6.6 35 280 109 0.2 2.5 1.2 0.13 1.00 0.37 0.0 0.0 0.0 10 310 142 50 1800 679
1155 KARAMANA AT MOONNATTUMUKKU, KERALA 25 27 26 0 7.5 0.7 6.2 7.2 6.6 810 12900 4235 4.4 24.0 12.5 0.80 3.20 1.48 0.0 0.0 0.0 22000 63000 40833 40000 82000 59417
1156 PAMBA AT CHENGANNUR, KERALA 26 28 27 6.8 7.5 6.9 6 6.7 6.5 35 300 108 0.1 1.8 1.0 0.10 0.56 0.42 0.0 0.0 0.0 490 600 540 850 1500 1083
1338 PERIYAR AT SEWAGE DISCHARGE POINT, KERALA 26 31 28 5.6 7.5 6.4 6.3 7.2 6.6 36 59 48 0.2 2.1 1.0 0.10 0.40 0.25 0.0 0.0 0.0 20 350 154 100 1100 603
1339 MEENACHIL AT KIDANGOOR, KERALA 26 27 26 6.5 7.5 7.2 6.3 7.1 6.7 43 270 109 0.4 1.5 0.8 0.10 0.68 0.44 0.0 0.0 0.0 900 1100 1000 1300 1600 1400
1340 MANIMALA  AT KALLOOPARA, KERALA 27 32 29 6 7.5 6.8 6.9 7.3 7.1 56 68 61 1.0 2.4 1.5 0.20 0.90 0.50 0.0 0.0 0.0 40 200 130 300 600 485
1341 PAMBA AT THAKAZHY, KERALA 26 29 28 4.9 7.5 6.1 6.4 6.9 6.7 46 800 244 0.4 1.4 0.9 0.10 0.50 0.33 0.0 0.0 0.0 540 800 655 900 1200 1113
1342 ACHENKOIL AT THUMPAMON, KERALA 24 29 27 5.3 7.5 6.8 6.3 7.5 7.0 43 100 62 0.2 1.2 0.6 0.20 2.30 0.93 0.0 0.0 0.0 70 540 240 140 920 434
1384 MANIMALA AT THONDRA, KERALA 27 30 28 6.8 7.5 7.1 6.8 7.1 7.0 44 75 59 0.5 1.0 0.8 0.25 1.30 0.71 0.0 0.0 0.0 360 800 540 640 1280 890
1442 VAMANAPURAM, KERALA 26 28 27 6.3 8 7.4 6.4 6.9 6.6 44 100 64 0.2 1.2 0.7 0.10 0.68 0.29 0.0 0.0 0.0 80 500 288 200 3000 1425
1443 ACHENKOIL AT CHENNITHULA, KERALA 26 27 26 4.9 7.3 6.4 6.7 7.4 7.0 65 100 79 0.5 1.3 0.8 0.20 1.90 0.73 0.0 0.0 0.0 115 540 271 260 920 493
1563 NEYYAR AMARAVILA, KERALA 25 26 26 6.4 8.4 7.2 6 7.4 6.7 48 97 73 0.2 2.0 0.9 0.20 0.46 0.28 0.0 0.0 0.0 160 600 335 1200 3400 2150
1564 AYUR, KERALA 25 30 27 3.7 7.7 6.2 6.7 7.4 7.0 57 108 83 0.1 0.8 0.6 0.30 2.10 0.93 0.0 0.0 0.0 16 430 282 40 840 505
1565 PAMBA DOWN, KERALA 27 30 29 3.8 7.3 6.1 6.6 6.8 6.7 45 71 55 1.0 2.0 1.4 0.30 0.90 0.55 0.0 0.0 0.0 700 1000 825 1200 1800 1450
1566 THIRURANGADY, KERALA 28 29 28 6.4 6.7 6.6 6.2 7 6.5 41 140 79 0.6 1.1 0.8 0.05 0.33 0.13 0.0 0.0 0.0 120 260 195 500 820 650
1567 KUTTIYADY ESTATE, KERALA 25 27 26 5.9 7.7 6.9 6.5 7 6.7 31 260 198 0.1 0.4 0.3 0.10 0.40 0.20 0.0 0.0 0.0 0 110 40 60 400 180
1568 MAHI VALAYAM, KERALA 25 29 27 6.6 8 7.3 6.1 6.8 6.5 32 62 44 0.4 0.6 0.5 0.10 0.30 0.21 0.0 0.0 0.0 70 600 233 220 900 400
1569 KUPPAM THALIPARAMBA, KERALA 26 30 28 4.8 7.1 6.2 6.1 6.9 6.6 81 38200 15738 0.7 1.4 1.0 0.10 3.20 0.93 0.0 0.0 0.0 200 280 233 270 500 360
1570 NEELASHWER HOSDURG, KERALA 27 33 29 3.7 6.6 5.2 6.7 7.5 7.1 56 43000 18459 0.3 2.0 1.0 0.10 0.20 0.13 0.0 0.0 0.0 70 1400 518 120 2600 918
1571 KORINGODA KAKKADAVU,  KERALA 26 32 28 7.1 8 7.4 6.5 7.5 7.0 32 72 45 0.1 2.0 1.1 0.10 0.15 0.11 0.0 0.0 0.0 270 2000 1043 330 2800 1933
1572 CHANDRIGIRI PADIYATHADKA, KERALA 26 30 28 7.5 7.7 7.6 6.5 7 6.7 43 71 52 0.8 1.4 1.1 0.05 0.20 0.11 0.0 0.0 0.0 250 1100 613 450 1800 963
1573 CHAITRAPUZHA IRUMPANAM, KERALA 27 29 28 1.4 6 2.9 6.1 6.5 6.3 164 2610 841 1.2 2.8 2.0 0.78 1.60 1.07 0.0 0.0 0.0 80 980 430 190 1500 913
2284 R NEYYAR AT ARUVIPURAM 26 27 26 5.7 7.3 6.6 6.5 7.1 6.7 57 86 72 0.1 1.4 0.7 0.10 0.56 0.32 0.0 0.0 0.0 180 750 463 820 2500 1655
2285 R MAMOM AT MAMOM BRIDGE 25 26 26 4.8 8 6.4 6.4 6.9 6.7 62 181 122 0.1 1.3 0.7 0.10 0.63 0.34 0.0 0.0 0.0 50 650 343 120 3600 1630
2286 R AYROOR AT AYROOR BRIDGE 26 26 26 3.7 6.8 5.4 6.3 6.9 6.6 54 126 102 0.4 1.3 0.9 0.10 0.48 0.26 0.0 0.0 0.0 100 480 240 800 3200 1913
2287 R ITHIKKARA AT ITHIKKARA 25 30 27 5.3 7.4 6.2 6.7 7.5 7.0 98 17430 5656 0.6 1.2 0.9 0.30 1.90 1.05 0.0 0.0 0.0 70 280 162 94 540 289
2288 R PALLICKAL AT NELLIMUKAL 26 27 27 6.2 7.3 6.9 6.7 7.3 7.1 51 94 71 0.4 0.6 0.5 0.10 0.44 0.26 0.0 0.0 0.0 18 210 125 42 440 246
2289 R KARUVANNURR AT KARUVANNUR BRIDGE 26 29 28 6.1 7.6 6.7 6.1 6.7 6.5 48 63 55 0.4 1.4 0.9 0.10 1.90 0.60 0.0 0.0 0.0 180 410 265 340 680 500
2290 R PUZHACKAL AT PUZHACKAL BRIDGE 24 32 28 5.2 6.2 5.7 6.2 7.2 6.7 65 250 127 1.0 2.5 1.9 0.10 0.70 0.35 0.0 0.0 0.0 14 380 221 290 620 473
2291 R KEECHERI AT VADAKKANCHERY BRIDGE 26 31 28 4.9 7.1 6.0 6.4 7.1 6.9 56 97 77 1.1 2.8 1.8 0.10 1.50 0.61 0.0 0.0 0.0 180 390 290 300 620 500
2292 R THIRUR AT THALAKKADATHUR BRIDGE 27 29 28 4 7.5 5.2 6 6.4 6.1 80 19500 4968 0.9 1.2 1.1 0.05 0.30 0.14 0.0 0.0 0.0 100 320 235 700 900 820
2293 R KADALUNDI AT HAJIRAPPALLY 28 29 28 6.8 8 7.4 6 6.9 6.4 55 103 78 0.7 1.8 1.2 0.05 0.21 0.12 0.0 0.0 0.0 240 400 280 600 960 720
2294 R KALLAI AT KALLAI BRIDGE 24 28 27 2.1 5.1 3.5 6.3 8 7.3 572 48200 20430 0.7 2.0 1.3 0.10 1.60 0.62 0.0 0.0 0.0 340 800 560 760 1600 1290
2295 R CORAPUZHA AT KANAYANKODE 25 28 27 4.9 6.9 6.0 6.6 7.5 7.1 160 29000 13257 0.7 1.5 1.1 0.10 0.19 0.14 0.0 0.0 0.0 400 1400 750 960 2400 1465
2296 R THALLASSERY AT PATHIPPALAM 26 30 28 4.3 7.3 6.4 6.1 6.1 6.1 55 81 62 0.2 1.2 0.7 0.20 0.30 0.28 0.0 0.0 0.0 90 340 213 200 620 425
2297 R ANCHARAKANDY AT MERUVAMBA 26 30 27 5.8 7.1 6.6 6.3 6.3 6.3 49 80 59 0.5 1.6 1.0 0.05 0.30 0.16 0.0 0.0 0.0 50 500 248 300 610 385
2298 R KUPPAM AT RAYAROM 24 30 27 6.4 7.5 7.1 6.1 6.5 6.4 39 70 59 0.2 1.4 0.9 0.10 0.20 0.13 0.0 0.0 0.0 50 360 178 120 480 275
2299 R RAMAPURAM AT RAMAPURAM BRIDGE 27 30 28 5.1 7.5 6.4 6.9 7.2 7.1 63 23400 7035 0.5 1.0 0.8 0.05 0.50 0.19 0.0 0.0 0.0 50 150 110 100 260 195
2300 R PERUVAMBA AT CHANDAPPURA 25 31 28 7.2 7.6 7.3 6.1 6.3 6.2 40 71 51 0.4 1.2 0.9 0.10 0.34 0.21 0.0 0.0 0.0 0 480 195 200 600 340
2301 R KAVVAI AT KUTTIYOL PALAM 27 31 29 5.8 7.3 6.8 6.5 6.5 6.5 45 159 80 0.3 1.6 0.8 0.10 0.50 0.26 0.0 0.0 0.0 0 100 53 50 150 100
2302 R NEELASWARAM AT NAMBIARKAL DAM 27 30 28 5.9 7 6.4 6.5 7 6.7 40 10140 3131 1.6 3.3 2.2 0.10 0.18 0.12 0.0 0.0 0.0 90 2600 820 120 3200 1055
2303 R PULLUR AT PULLUR BR. 25 30 27 4.5 7.2 5.8 6.5 6.6 6.5 35 119 59 0.1 2.6 1.5 0.10 0.20 0.13 0.0 0.0 0.0 700 2500 1800 950 4000 2788
2304 R MOGRAL AT MOGRAL BR. 27 32 28 3.8 6.1 5.2 6.5 8 7.2 33 43100 19885 0.2 2.6 1.2 0.10 0.31 0.18 0.0 0.0 0.0 0 2200 843 0 5800 2275
2305 R SHRIYA AT ANGADIMOGARU 26 28 27 7.4 8 7.7 6.5 7.3 6.8 44 110 67 0.1 2.0 0.9 0.05 0.10 0.08 0.0 0.0 0.0 20 4000 1740 70 5000 2257
2306 R UPPALA AT  UPPALA BR. 25 33 28 3.2 7.5 5.7 7 7.5 7.2 69 43100 19085 0.1 3.3 1.4 0.05 0.10 0.09 0.0 0.0 0.0 80 4000 1845 240 6000 2785
2307 R MANJESWAR AT BAJRAKKARA BR. 24 26 25 5.2 7.6 6.7 6 6.5 6.3 34 273 177 0.4 1.8 1.2 0.10 0.40 0.20 0.0 0.0 0.0 250 4000 1583 700 7000 2807
2319 R ANCHARAKANDY AT MERUVAMBA 26 30 28 5.4 7.5 6.4 6.3 6.5 6.4 50 16500 4165 0.9 1.4 1.2 0.10 0.20 0.13 0.0 0.0 0.0 50 300 168 150 460 303
2326 R KORAYAR AT KANJIKODE 26 28 27 5.5 6.8 6.2 7.4 7.9 7.6 275 662 498 0.3 0.4 0.4 0.10 0.50 0.28 0.0 0.0 0.0 110 1100 613 400 2400 1400
2331 R BHARATHAPUZHA AT KUTTIPPURAM 25 29 27 6.3 7.2 6.8 6.9 8.1 7.5 93 186 119 0.4 0.4 0.4 0.10 0.32 0.18 0.0 0.0 0.0 70 1100 478 170 2200 918
2332 R BHARATHAPUZHA AT PATTAMBI 25 30 27 6.9 7.3 7.1 7.1 8.4 7.6 97 228 161 0.3 0.8 0.5 0.10 0.35 0.19 0.0 0.0 0.0 340 1100 710 600 3000 1675
2333 RIVER PERIYAR AT MUPPATHADAM 26 29 28 4.3 7.2 5.9 6.5 6.8 6.7 57 83 70 1.5 1.9 1.7 0.10 0.95 0.50 0.0 0.0 0.0 45 110 74 60 950 428
2334 RIVER PERIYAR AT PATHALAM 26 32 28 4 7.3 5.8 6.1 6.9 6.5 38 7010 864 0.4 2.8 1.5 0.10 0.80 0.37 0.0 0.0 0.0 100 420 199 170 2380 876
2335 R PERIYAR AT KALAMASSERY 26 33 29 3.5 6.4 4.7 6.2 7.6 6.6 43 96 69 0.7 2.9 1.8 0.00 0.52 0.26 0.0 0.0 0.0 40 1210 234 70 5550 1083
2336 R PERIYAR AT PURAPPALLIKAVU 26 34 28 3.3 7.9 6.5 6.1 7.1 6.6 50 12970 1204 0.5 2.0 1.2 0.05 0.50 0.24 0.0 0.0 0.0 10 370 175 30 1600 689
2337 R KADAMBAYAR AT BRAHMAPURAM 27 31 28 0.3 2.6 1.4 6 6.5 6.2 75 179 129 1.2 3.0 2.2 0.10 1.20 0.48 0.0 0.0 0.0 50 920 351 280 1700 882
2338 R KADAMBAYAR AT MANCKAKADAVU 27 32 28 0.7 2.2 1.5 6 6.8 6.3 53 92 73 0.4 2.4 1.5 0.00 0.26 0.12 0.0 0.0 0.0 120 660 298 280 3100 1225