WATER QUALITY DATA 2012 | CPCB ENVIS 
WATER QUALITY OF MEDIUM & MINOR RIVERS IN KERALA- 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
1342 ACHENKOIL AT THUMPAMON KERALA 23 29 26 6.4 7.8 7 6.1 7.7 7.2 52 157 79 0.4 1.2 0.8 0.1 1.2 0.62 210 400 279 400 900 637
1443 ACHENKOIL AT CHENNITHULA KERALA 25 29 26 4.7 7.4 6.6 6.2 7.7 7 50 105 67 0.6 2.4 1.1 0.09 0.9 0.53 170 400 275 400 900 670
3465 ACHENKOIL AT KALLARAKADAVU, PATHANAMTHITTA KERALA 24 28 26 5.1 7.6 6.6 6.4 7.7 7.3 47 80 59 0.6 0.8 0.7 0.4 0.8 0.57 110 600 281 170 1100 541
3466 ACHENKOIL AT PANDALAM (NEAR AYYAPPA TEMPLE),PATHANAMTHITTA KERALA 24 30 26 5.1 6.8 6.2 6.9 7.7 7.3 52 94 66 0.6 1 0.8 0.13 1.2 0.55 170 600 303 280 1300 609
2297 ANCHARAKANDY AT MERUVAMBA KERALA 24 33 26 6 8 7.1 6.3 7.6 7 47 117 67 0.3 1.8 1 0.02 1 0.34 17 300 170 80 900 538
2319 ANCHARAKANDY AT MERUVAMBA KERALA 24 31 26 5.3 8 7 6.3 7 6.7 45 26650 5341 0.3 2 1.1 0.05 1 0.37 8 350 158 20 1700 528
2286 R AYROOR AT AYROOR BRIDGE KERALA 27 30 29 5.4 7.7 6.7 6.9 7.7 7.3 52 115 89 0.8 1.8 1.1 0.07 1.2 0.35 900 2200 1163 1600 3500 2025
2331 BHARATHAPUZHA AT KUTTIPPURAM KERALA 26 30 28 5.2 7.4 6.2 6.5 8.4 7.3 79 200 136 0.2 1.8 1 0.03 1.5 0.46 2 900 296 40 1700 676
2332 R BHARATHAPUZHA AT PATTAMBI KERALA 24 31 28 6.7 7.8 7.1 7.5 9 8.1 141 281 212 0.2 1.6 0.9 0.1 0.8 0.56 2 1600 524 20 2400 992
1154 CHALAKUDY AT PULICKALKA-DAVU KERALA 27 32 29 4.5 7.5 6.3 0.6 7.5 6.3 45 294 134 0.6 2.2 1.2 0 1.2 0.67 2 800 224 50 2400 780
20 CHALIYAR AT KOOLIMADU KERALA 24 28 26 6.8 7.7 7.3 6.5 8 7.2 48 112 76 0.2 1.6 0.6 0.01 1 0.31 110 2100 468 220 2800 893
21 CHALIYAR AT CHUNGAPALLY KERALA 24 27 26 4.9 8 7 6.7 7.7 7.3 52 38000 11041 0.3 2 0.9 0.02 0.7 0.29 70 700 256 170 1100 503
3464 CHALIYAR AT NILAMBUR, MALAPPURAM KERALA 25 30 28 5.6 7.6 6.8 6.5 7.4 7.1 54 100 75 0.2 1.7 0.8 0.2 1 0.5 120 3300 693 220 4000 1169
1572 CHANDRAGIRI AT PADIYATHADKA KERALA 26 33 29 6.8 8 7.4 6.1 7.7 7.2 30 93 61 0.1 1.5 0.7 0 0.34 0.11 4 140 54 11 500 255
1573 CHITRAPUZHA AT IRUMPANAM KERALA 27 32 28 0 6 1.7 6 6.8 6.6 120 3102 769 0.6 8 3.4 0.15 2.76 1.11 20 2200 556 270 5000 1717
2295 R CORAPUZHA AT KANAYANKODE KERALA 25 29 26 4.8 8.2 6.1 7 8.2 7.5 236 36000 14083 0.7 2.8 1.4 0.01 0.5 0.25 70 5000 920 130 20000 2686
1564 R ITHIKKARA AT AYUR, KERALA KERALA 25 30 26 5.9 7.4 6.6 6.6 7.8 7.2 58 140 92 0.3 1.6 0.8 0.05 1.8 0.77 170 500 332 400 900 660
2287 R ITHIKKARA AT ITHIKKARA KERALA 24 26 25 5.2 7.3 6.6 6.8 7.8 7.2 150 4962 1348 0.6 1.6 0.8 0.34 1.8 1.01 280 900 392 500 1600 810
1566 R KADALUNDI AT THIRURANGADY KERALA 29 30 29 5.3 6.8 6 6.2 7.2 6.7 63 160 95 0.7 1.8 1.2 0 0.8 0.29 120 500 253 400 1100 680
2293 R KADALUNDI AT HAJIRAPPALLY KERALA 28 30 29 6 7.2 6.6 6.1 7.5 6.8 57 132 78 0.2 1.8 1 0 0.42 0.2 40 900 275 220 1400 626
2337 KADAMBAYAR AT BRAHMAPURAM KERALA 26 29 28 0 1.5 0.6 5.9 7.2 6.7 43 1160 268 0.1 8 4.1 0.28 2.9 1.28 40 1600 400 140 3500 1308
2338 KADAMBAYAR AT MANCKAKADAVU KERALA 26 29 27 0.3 3.4 1.8 5.9 7 6.6 57 115 82 0.8 4.4 2 0.05 1.13 0.39 50 900 399 220 4000 1410
42 KALLADA AT PERUMTHOTTAM KADAVU, PUNALOOR KERALA 23 28 25 6.2 7.6 7.1 6.5 7.7 7.2 46 77 61 0.6 1.8 1 0.05 0.8 0.34 140 400 251 300 900 608
2294 R KALLAI AT KALLAI BRIDGE KERALA 24 28 26 1.9 8.2 3.9 6.9 8.2 7.6 549 55000 30298 1 6 2.5 0.05 1.4 0.59 500 24000 4830 700 33000 7240
3460 KALPATHI PUZHA AT KALPATHI, PALAKKAD KERALA 24 31 27 6 7.4 6.6 7.3 8.5 8 106 572 310 0.6 1.4 1.1 0.02 1.1 0.54 170 900 517 300 1600 783
3458 KARAPUZHA DAM AT WAYANAD KERALA 25 30 27 6 7.7 7 6.3 8.1 7.1 70 125 97 0.3 1.2 0.8 0.05 1.1 0.35 0 90 45 21 140 77
1571 R KARINGODE AT KAKKADAVU KERALA 26 32 29 5.2 7.8 7.3 6.7 7.5 7 30 75 51 0.1 1.8 0.7 0.03 0.43 0.18 2 300 65 30 600 258
1155 KARAMANA AT MOONNATTUMUKKU KERALA 27 31 29 0 4.5 0.5 6.8 7.6 7.1 500 4200 1717 4.6 80 21.2 1.5 12.4 4.41 1700 5000 3317 9000 30000 15833
3471 RIVER KARAMANA AT ARUVIKARA, THIRUVANANTHAPURAM KERALA 28 29 29 6.1 8 7 7 7.8 7.4 45 70 55 0.2 1.4 0.9 0 1.2 0.32 600 1300 800 1100 2200 1400
2289 R KARUVANNURR AT KARUVANNUR BRIDGE KERALA 27 33 29 5.4 6.9 6.1 6.4 7.6 6.8 35 112 67 0.3 2.8 1.1 0.14 1.3 0.58 11 220 80 110 1100 394
2301 R KAVVAI AT KUTTIYOL PALAM KERALA 26 32 27 5 8 7 6 7.7 6.7 30 120 61 0.7 2 1.3 0.05 0.78 0.28 4 500 168 14 700 248
2291 KEECHERI AT VADAKKANCHERY BDG KERALA 29 33 30 2.6 6.7 5.2 6.5 7.4 6.9 56 106 81 0.1 3.8 1.5 0.04 1.2 0.37 11 300 71 80 1700 465
2326 R KORAYAR AT KANJIKODE KERALA 23 31 27 4.8 7.2 6.1 6.8 8.5 8 40 863 510 0.4 1.9 1.1 0.03 1.8 0.72 2 2400 784 280 5000 1572
1569 R KUPPAM AT THALIPARAMBA KERALA 22 32 27 4.2 7.6 6.5 6.4 7.4 6.9 48 46160 12150 0.4 5.4 1.8 0.08 1.6 0.52 70 4000 711 140 8000 1481
2298 R KUPPAM AT RAYAROM KERALA 22 33 25 7 9.1 7.9 6.7 7.5 7.2 31 90 50 0.5 1.8 1.1 0.05 0.6 0.3 50 900 319 300 1400 845
1567 R KUTTIYADE AT KUTTIYADY ESTATE KERALA 23 28 25 6.7 8 7.5 6.5 7.4 6.9 26 40 34 0.2 2 0.9 0 0.5 0.14 30 300 110 50 700 256
1568 R MAHE AT VALAYAM, KERALA KERALA 24 27 26 6.4 7.6 7 6.9 8 7.4 53 104 72 0.3 2.2 1 0.04 0.7 0.38 40 1700 496 50 3000 897
2285 R MAMOM AT MAMOM BRIDGE KERALA 26 32 29 6.7 8 7.3 6.7 7.7 7.3 65 133 99 0.6 1.7 0.9 0.05 0.41 0.23 600 2800 1088 1400 3500 1788
1340 MANIMALA  AT KALLOOPARA KERALA 27 29 27 7 8 7.5 5.9 7.9 6.9 57 197 125 0.5 4.2 1.6 0.03 1.09 0.45 400 2800 970 800 4000 1400
1384 MANIMALA AT THONDRA KERALA 27 29 27 6.1 7.4 6.8 6.2 7.3 6.9 46 165 116 0.3 4.4 1.7 0.02 0.9 0.4 350 1700 825 600 3300 1260
3459 MANIYANKODE PUZHA AT MANIYANKODE BRIDGE, WAYANAD KERALA 24 29 27 2.5 7.3 5.8 6.9 7.9 7.3 80 155 107 0.2 2.3 0.9 0.4 1.79 0.88 14 800 232 17 1100 343
2307 R MANJESWAR AT BAJRAKKARA BR. KERALA 26 33 28 5.4 7.8 7.1 6.5 7.8 7.2 52 138 85 0.1 2 0.8 0.03 1.1 0.31 2 220 67 14 400 184
1339 MEENACHIL AT KIDANGOOR KERALA 25 29 26 4.5 7.7 6.8 6.3 7.4 7.1 43 90 58 0.4 1.5 0.7 0.28 0.7 0.46 1100 3200 2010 1700 5000 3460
2304 R MOGRAL AT MOGRAL BR. KERALA 25 33 29 3.4 6.9 5.7 6.1 8 7.3 245 56200 13197 0.4 2.4 1.5 0 0.74 0.35 4 110 46 11 400 144
43 MUVATTAPUZHA AT VETTIKKATTUMUKKU KERALA 26 30 27 5.4 7.5 6.7 6.4 7.9 7.1 30 79 58 0.6 2.5 1.2 0.08 0.91 0.39 20 3000 964 50 5000 1739
2302 NEELASWARAM AT NAMBIARKAL  KERALA 26 32 28 5.6 8 7 6.2 7.4 6.9 50 12800 3453 0.2 2 0.9 0.05 0.42 0.17 4 170 56 50 600 278
1570 R NEELESWARAM AT HOSDURG KERALA 26 32 29 5.2 7.7 6.5 5.9 7.8 7 66 53000 14369 0.1 3.8 1.3 0.05 0.65 0.27 4 110 63 60 350 175
1563 R NEYYAR AT AMARAVILA KERALA 26 30 28 5.4 7.5 6.6 6.8 7.9 7.3 49 86 70 1 2.5 1.4 0.05 1.34 0.39 500 1600 838 1700 2200 1875
2284 R NEYYAR AT ARUVIPURAM KERALA 27 30 29 5.5 7.6 7 7 7.8 7.3 43 75 60 0.4 1.1 0.8 0.01 0.82 0.18 350 1100 631 1400 2800 1813
2288 R PALLICKAL AT NELLIMUKAL KERALA 24 29 26 4.9 7.4 6.3 6.4 7.8 7.2 68 142 97 0.6 1.8 0.8 0.2 1.4 0.56 220 500 357 600 1200 880
1156 PAMBA AT CHENGANNUR KERALA 26 29 28 3.9 7.7 6 6.5 7.5 7 29 110 63 0.7 2 1.1 0.48 2.79 1.04 80 600 243 140 1100 493
1341 PAMBA AT THAKAZHY KERALA 26 30 28 2.3 6.5 4.4 6.5 7.7 7.1 54 374 113 0.8 2.2 1.5 0.52 2.3 1.17 120 800 358 240 1700 722
1565 PAMBA DOWN KERALA 26 30 28 1.2 6.9 4.5 6.8 7.9 7.2 44 120 79 0.1 1.3 1 0.6 1.8 1.04 90 800 279 170 1400 537
17 PERIYAR NEAR ALWAYE-ELOOR KERALA 27 31 28 2.6 6.5 5.1 6.4 7.4 6.9 94 8164 1789 1.1 3.7 2.1 0.1 1.29 0.68 40 1100 408 350 3500 1946
18 PERIYAR AT KALADY KERALA 26 30 27 6.6 8 7.5 6.6 8.1 7.2 27 50 36 0.6 1.7 1.1 0 0.86 0.27 20 1100 282 110 4000 1134
1338 PERIYAR AT SEWAGE DISCHARGE POINT KERALA 26 30 28 5 7.6 6.8 6.3 7.5 7 30 277 59 0.7 2.3 1.3 0 0.7 0.32 80 1700 648 600 5000 2267
2333 PERIYAR AT MUPPATHADAM KERALA 27 31 28 6.3 7.9 6.8 6.5 7.5 6.9 33 602 114 0.4 2.3 1.4 0 0.5 0.23 110 1100 388 350 3000 1785
2334 RIVER PERIYAR AT PATHALAM KERALA 27 31 28 0.8 7.8 5.9 6.4 7 6.8 51 3450 1108 0.6 4.9 2.2 0.1 1.73 0.62 20 1600 386 140 5000 1520
2335 R PERIYAR AT KALAMASSERY KERALA 26 32 28 2 7 4.9 6.2 7 6.7 37 422 88 0.4 6 2.2 0.1 0.6 0.28 220 800 480 1100 6000 2200
2336 R PERIYAR AT PURAPPALLIKAVU KERALA 26 32 28 4.5 7.7 6.8 6.4 7.2 6.9 36 7642 1686 1 2.3 1.4 0.05 0.6 0.25 2 1300 236 120 5000 1223
3468 PERIYAR AT KWA INTAKE- ALUVA, ERNAKULAM KERALA 26 30 28 6.5 7.7 7.1 6.5 7.5 6.9 30 120 45 0.8 1.8 1.2 0 0.6 0.29 2 900 451 80 3500 1636
2300 PERUVAMBA AT CHANDAPPURA KERALA 24 32 26 6.1 7.3 6.9 5.9 7.5 6.6 38 90 56 0.5 1.9 1.1 0.09 0.6 0.3 21 400 177 170 1700 542
2303 R PULLUR AT PULLUR BR. KERALA 26 33 28 4.5 7.5 6.5 5.8 6.8 6.3 31 93 49 0.1 3.1 1 0.04 0.58 0.22 6 220 87 70 700 323
2290 R PUZHACKAL AT PUZHACKAL BRIDGE KERALA 27 33 29 3 6.7 4.9 6.2 7 6.6 66 840 169 1 5.4 2.1 0.06 1.8 0.76 11 1700 250 70 7000 1241
2299 R RAMAPURAM AT RAMAPURAM BRIDGE KERALA 25 33 28 3 6.9 4.2 5.8 7.4 6.5 52 51500 19575 0.7 2.3 1.4 0.05 1 0.39 40 1100 210 110 1600 528
2305 R SHRIYA AT ANGADIMOGARU KERALA 26 30 28 3.8 7.8 6.9 6.6 8 7.1 35 150 63 0.2 2 0.9 0 0.44 0.16 6 400 152 17 700 336
2296 THALLASSERY AT PATHIPPALAM KERALA 24 31 26 5.2 7.3 6.6 6.2 7.2 6.7 56 91 69 0.2 2.2 0.8 0.05 1 0.38 8 500 185 27 900 464
2292 THIRUR AT THALAKKADATHUR BDG KERALA 28 30 29 3.2 6.6 4.5 6 7.5 6.6 62 29500 6381 0.5 4.4 2.1 0 0.9 0.34 40 400 196 50 1100 435
2306 R UPPALA AT  UPPALA BR. KERALA 25 33 29 3.7 7.7 6.2 6.4 7.9 7.2 70 52000 9326 0.2 3 1.3 0.05 0.6 0.22 4 220 61 6 350 141
3473 RIVER VALAPATTANAM AT PARASSINIKADAVU, KANNUR KERALA 24 32 27 4.6 7.7 6.6 6.6 7.4 7.1 59 42190 15158 0.5 2.2 1.1 0.03 0.56 0.26 2 300 126 11 5000 810
1442 VAMANAPURAM KERALA 26 31 29 2.1 7.5 6.3 6.7 7.8 7.3 44 110 74 0.8 2.2 1.2 0.1 1.32 0.29 400 2200 725 1600 2800 1813