WATER QUALITY DATA 2013 | CPCB ENVIS 
WATER QUALITY OF MEDIUM & MINOR RIVERS IN KERALA- 2013
 
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 KERALA 23 25 24 4.9 7.1 6.4 6.9 7.8 7.3 55 120 76 0.9 2.8 1.7 0.1 1.2 0.62 11 500 199 110 3500 788
1443 ACHENKOIL AT CHENNITHULA, KERALA KERALA 23 26 24.9 5.1 7.5 6 6.5 7.4 7.1 70 130 85 0.8 2.8 1.7 0.09 0.9 0.53 140 500 262 300 900 538
3465 ACHENKOIL AT KALLARAKADAVU, PATHANAMTHITTA KERALA 23 25.2 24.3 4.9 7.1 6.3 6.5 7.4 7.1 46 88 69 0.8 2.5 1.3 0.4 0.8 0.57 120 350 248 310 900 593
3466 ACHENKOIL AT PANDALAM (NEAR AYYAPPA TEMPLE), PATHANAMTHITTA KERALA 24 25.5 24.8 5.5 7.4 6.5 6.6 7.7 7.3 48 110 76 1.2 2.4 1.6 0.13 1.2 0.55 110 500 226 300 1300 545
2297 R ANCHARAKANDY AT MERUVAMBA KERALA 24 29 26.4 5.4 8 6.7 6.3 6.8 6.6 37 97 60 0.3 2.2 1.2 0.02 1 0.34 40 700 228 120 900 435
2319 R ANCHARAKANDY AT MERUVAMBA KERALA 25 31.5 27 5.2 8.3 7 6.2 6.9 6.6 40 25270 3544 0.5 3 1.5 0.05 1 0.37 40 600 208 260 800 435
2286 R AYROOR AT AYROOR BRIDGE KERALA 24.5 30 26.6 6.3 7.3 6.7 6.6 7.9 7.3 28 65 51 0.4 1 0.8 0.07 1.2 0.35 120 800 547 900 2400 1567
2331 R BHARATHAPUZHA AT KUTTIPPURAM KERALA 25.5 34 28.6 6.2 7.6 6.9 7.3 8.1 7.7 77 160 107 0.2 1.4 0.7 0.03 1.5 0.46 4 900 255 80 1600 443
2332 R BHARATHAPUZHA AT PATTAMBI KERALA 26 34 28.8 6.2 7 6.7 7.4 8.5 7.9 104 248 173 0.2 1.4 0.9 0.1 0.8 0.56 2 500 191 7 900 426
1154 CHALAKUDY AT PULICKALKA-DAVU, KERALA KERALA 26 29.2 28 3.8 6.9 5.6 6.5 7.5 6.9 38 300 126 0.3 2.4 1.2 0 1.2 0.67 2 790 266 80 1700 990
20 CHALIYAR AT KOOLIMADU, KERALA KERALA 24 33 27.4 6.8 8 7.3 6.5 8 7.4 34 90 70 0.4 1.7 0.8 0.01 1 0.31 210 6000 2984 300 8000 4208
21 CHALIYAR AT CHUNGAPALLY, KERALA KERALA 25 32 27.5 6.1 7.6 6.9 6.4 8 7.4 44 47500 12754 0 1.6 0.8 0.02 0.7 0.29 17 5000 1807 50 8000 2557
3464 CHALIYAR AT NILAMBUR, MALAPPURAM KERALA 24 30 26.8 5.7 8.5 7.1 7.1 7.9 7.4 45 107 80 0.5 0.8 0.6 0.2 1 0.5 40 5000 1921 240 6000 2831
1572 CHANDRAGIRI AT PADIYATHADKA, KERALA KERALA 28 34 30 5.6 8.1 7.2 6 7.6 6.9 42 106 62 0.5 3.4 1.3 0 0.34 0.11 2 210 33 4 700 150
1573 CHITRAPUZHA AT IRUMPANAM, KERALA KERALA 28 29.2 28.8 0.6 7.1 3.4 6.2 7.2 6.7 99 13940 2965 0.4 6.8 2.3 0.15 2.76 1.11 20 800 271 80 3000 1236
2295 R CORAPUZHA AT KANAYANKODE KERALA 25 30 27.4 5.2 7.4 6.1 6.8 7.7 7.2 266 37000 15871 0.4 2 0.9 0.01 0.5 0.25 400 6000 1667 600 13000 2975
1564 R ITHIKKARA AT AYUR, KERALA KERALA 24 25.8 24.8 4.5 7.8 6.4 6.6 7.7 7.2 62 250 120 0.8 2.8 1.9 0.05 1.8 0.77 60 500 258 210 1400 618
2287 R ITHIKKARA AT ITHIKKARA KERALA 22 24.8 23.6 5.2 7.1 6.2 6.7 7.8 7.2 102 25500 7448 1.2 2.8 2 0.34 1.8 1.01 80 400 184 200 800 483
1566 R KADALUNDI AT THIRURANGADY, KERALA KERALA 28.5 30.5 29.8 5.9 7 6.6 6.5 7.1 6.9 53 124 77 0.8 2.2 1.6 0 0.8 0.29 2 800 264 80 1600 756
2293 R KADALUNDI AT HAJIRAPPALLY KERALA 29 31 30.2 6 7.8 6.8 6.5 7.4 7 52 94 72 0.8 2.7 1.7 0 0.42 0.2 2 1100 249 60 2400 785
2337 R KADAMBAYAR AT BRAHMAPURAM KERALA 27.7 28.8 28.2 0.4 7.6 2.9 6.2 7.3 6.7 76 2031 305 1.2 4.2 2.2 0.28 2.9 1.28 20 900 403 40 3000 1623
2338 R KADAMBAYAR AT MANCKAKADAVU KERALA 27 29 27.7 0.5 6.8 3 6 6.9 6.6 62 113 86 1.1 3.4 2 0.05 1.13 0.39 40 800 357 80 2800 1319
42 KALLADA AT PERUMTHOTTAMKADAVU, PUNALOOR, KERALA KERALA 22 25.2 23.9 4.2 7.7 6.7 6.8 7.4 7.1 55 140 79 1 2.8 1.6 0.05 0.8 0.34 120 500 313 310 1700 738
2294 R KALLAI AT KALLAI BRIDGE KERALA 25 31 27.4 0.5 7.8 3.6 6.8 7.9 7.3 58 55000 32790 1.2 5 2.6 0.05 1.4 0.59 110 300000 64259 400 400000 112867
3460 KALPATHI PUZHA AT KALPATHI, PALAKKAD KERALA 24 33 27.8 1.3 7.7 6.1 7.3 8.3 7.8 106 32000 2905 0.4 3.1 1.3 0.02 1.1 0.54 60 1700 422 180 2200 997
3458 KARAPUZHA DAM AT WAYANAD KERALA 23.7 31.8 26.4 5.6 7.7 6.9 6.2 7.9 7.4 92 129 112 0.3 0.9 0.5 0.05 1.1 0.35 12 80 50 31 110 67
1571 R KARINGODE AT KAKKADAVU,  KERALA KERALA 26 34 29.6 5 8.2 7 5.9 7.5 6.9 35 65 51 0.4 2.8 1.1 0.03 0.43 0.18 2 140 44 50 600 317
1155 KARAMANA AT MOONNATTUMUKKU, KERALA KERALA 25 32 27 0 6.2 3.1 6.5 7.5 7.2 93 2040 1416 1.5 32 13.2 1.5 12.4 4.41 1200 14000 2992 11000 54000 19917
3471 RIVER KARAMANA AT ARUVIKARA, THIRUVANANTHAPURAM KERALA 24 30 26.3 6.5 7.7 7 6.4 7.8 7.1 14 48 30 0.2 0.9 0.5 0 1.2 0.32 70 400 211 240 630 496
2289 R KARUVANNURR AT KARUVANNUR BRIDGE KERALA 28 32 30 4.4 7.3 6.1 6.5 7.7 7 44 87 59 0.6 3.6 1.8 0.14 1.3 0.58 11 280 89 50 920 282
2301 R KAVVAI AT KUTTIYOL PALAM KERALA 26 32 28 4.4 7.6 6 6.1 6.6 6.4 35 127 61 0.7 3.1 2.1 0.05 0.78 0.28 40 170 87 140 600 300
2291 R KEECHERI AT VADAKKANCHERY BRIDGE KERALA 26 33.1 30.1 3.3 7.7 6.3 6.4 7.6 7 61 142 105 0.4 4 2.8 0.04 1.2 0.37 11 400 142 80 2000 543
2326 R KORAYAR AT KANJIKODE KERALA 24 31 27.9 5.8 7.5 6.9 7.7 8.4 8.1 70 750 502 0.2 1.8 0.9 0.03 1.8 0.72 2 1200 382 6 1700 615
1569 R KUPPAM AT THALIPARAMBA, KERALA KERALA 24 29 27 3.1 8.6 5.9 6.4 7.1 6.7 60 42560 14662 0.3 3.4 1.5 0.08 1.6 0.52 40 400 144 200 800 377
2298 R KUPPAM AT RAYAROM KERALA 23 30 26 7 8.5 7.8 6.4 7.2 6.8 30 100 49 0.2 3 1.4 0.05 0.6 0.3 21 500 122 110 800 319
1567 R KUTTIYADE AT KUTTIYADY ESTATE, KERALA KERALA 24 31 27.7 5.7 8 7.1 6.1 8.3 7.4 37 778 380 0.5 2 1 0 0.5 0.14 40 10500 1527 80 968000 66382
1568 R MAHE AT VALAYAM, KERALA KERALA 25 30 27.1 6.4 8 7.3 6.9 8 7.2 46 97 67 0.6 1.8 0.9 0.04 0.7 0.38 40 60000 6490 110 9000 3471
2285 R MAMOM AT MAMOM BRIDGE KERALA 24.5 30 26.5 4.7 7.7 6.2 6.4 7.9 7.2 32 69 51 0.3 1.3 0.8 0.05 0.41 0.23 80 500 331 300 1700 942
1340 MANIMALA  AT KALLOOPARA, KERALA KERALA 28 29 28.5 5.4 7.9 7.2 6 7.5 6.8 49 102 69 0.2 2.4 1.2 0.03 1.09 0.45 340 1300 706 460 1700 941
1384 MANIMALA AT THONDRA, KERALA KERALA 28 29 28.7 6.2 7.6 6.9 6 7.2 6.7 51 109 75 0.5 5.9 2.5 0.02 0.9 0.4 140 1400 526 220 1700 701
3459 MANIYANKODE PUZHA AT MANIYANKODE BRIDGE, WAYANAD KERALA 22.7 29.9 25.7 4.5 7.6 6.3 6.9 7.9 7.4 43 185 113 0.4 0.8 0.6 0.4 1.79 0.88 80 110 98 110 180 128
2307 R MANJESWAR AT BAJRAKKARA BR. KERALA 28 31 29.3 6.7 8.3 7.6 6.5 7.5 6.8 48 156 79 0.7 3 1.6 0.03 1.1 0.31 2 330 48 11 540 109
1339 MEENACHIL AT KIDANGOOR, KERALA KERALA 26 28 27 5.2 7.9 7 6.6 7.8 7.2 33 94 57 0.3 1.2 0.6 0.28 0.7 0.46 800 3000 2117 1700 6000 3558
2304 R MOGRAL AT MOGRAL BR. KERALA 28 36 30.9 1.6 8 5.9 6.1 7.6 7 140 52900 22576 0.2 2.9 1.5 0 0.74 0.35 2 120 42 4 1100 253
43 MUVATTAPUZHA AT VETTIKKATTUMUKKU, KERALA KERALA 25 28 27.1 6.3 7.4 6.8 6.7 7.8 7.2 43 534 105 0.3 0.8 0.6 0.08 0.91 0.39 700 2200 1200 1200 4000 2392
2302 R NEELASWARAM AT NAMBIARKAL DAM KERALA 25 35 30.3 4.7 7.7 6.3 5.5 8 6.7 35 10240 2315 0.8 2.8 1.3 0.05 0.42 0.17 2 230 55 4 700 278
1570 R NEELESWARAM AT HOSDURG, KERALA KERALA 27 33 30.4 5.1 7.7 6.4 5.7 7.8 6.9 54 51000 18569 0.3 2.1 1 0.05 0.65 0.27 4 80 40 70 600 277
1563 R NEYYAR AT AMARAVILA, KERALA KERALA 24 30 26.2 4.6 7.1 6.6 6.7 7.8 7.3 25 60 45 0.2 1 0.6 0.05 1.34 0.39 110 400 228 500 1200 940
2284 R NEYYAR AT ARUVIPURAM KERALA 24 30 26.2 5.7 7.7 6.9 6.8 7.5 7.2 24 58 42 0.2 0.8 0.5 0.01 0.82 0.18 50 280 151 300 1600 774
2288 R PALLICKAL AT NELLIMUKAL KERALA 24.3 26 25.1 5 7 6 7.1 7.6 7.3 58 110 92 1 2.8 1.7 0.2 1.4 0.56 50 500 256 170 1300 597
1156 PAMBA AT CHENGANNUR, KERALA KERALA 25 30 27.4 5 7.2 6.1 6.8 7.5 7.2 37 79 59 0.2 1.8 0.7 0.48 2.79 1.04 120 300 181 210 430 311
1341 PAMBA AT THAKAZHY, KERALA KERALA 26 31 28.1 2.2 6.2 4.5 6.4 7.4 6.9 58 9984 1190 0.1 1.7 0.7 0.52 2.3 1.17 120 400 218 260 600 388
1565 PAMBA DOWN, KERALA KERALA 26 30 28.3 2.3 6.2 4.2 6.6 7.4 7 42 125 69 0.2 1.1 0.6 0.6 1.8 1.04 90 500 240 150 900 420
17 PERIYAR NEAR ALWAYE-ELOOR, KERALA KERALA 27.2 29.8 28.2 2 8 6 6.4 7.6 7 93 22440 5569 0.8 4.4 2.2 0.1 1.29 0.68 50 1100 473 230 4000 1894
18 PERIYAR AT KALADY, KERALA KERALA 24.5 28.6 27.2 6.3 7.8 7.3 6.6 7.5 7 28 50 34 0.2 1.8 1 0 0.86 0.27 40 500 234 220 1600 927
1338 PERIYAR AT SEWAGE DISCHARGE POINT, KERALA KERALA 25.5 28.5 27.4 5.7 7.1 6.3 6.6 7.6 7 22 58 44 0.3 2.8 1.6 0 0.7 0.32 70 1200 487 210 3000 1876
2333 RIVER PERIYAR AT MUPPATHADAM KERALA 26.5 29.9 28.2 5.6 7.5 6.4 6.9 7.9 7.2 30 82 49 0.6 2.5 1.4 0 0.5 0.23 2 1100 362 80 2600 1357
2334 RIVER PERIYAR AT PATHALAM KERALA 26.6 28.9 27.9 3.9 7.3 5.9 6.3 7.9 7 30 15550 3272 0.8 3.5 2.2 0.1 1.73 0.62 60 1100 330 110 3500 1284
2335 R PERIYAR AT KALAMASSERY KERALA 24 28.6 27.3 1.9 7.2 4.6 6.6 8 7 30 109 65 0.6 2.8 1.7 0.1 0.6 0.28 210 2100 631 240 4300 1937
2336 R PERIYAR AT PURAPPALLIKAVU KERALA 25.5 29.8 28.2 5.1 7.7 6.5 6.4 7.6 6.9 37 16910 4650 0.5 3.2 2 0.38 1 1 63 700 340 130 3500 1573
3468 PERIYAR AT KWA INTAKE- ALUVA, ERNAKULAM KERALA 25.5 29.3 28.2 5 7.3 6.5 6.1 7.4 7 22 56 42 0.3 2.9 1.4 0.08 1 1 2 700 249 80 3000 1221
2300 R PERUVAMBA AT CHANDAPPURA KERALA 25 30 26.7 4.7 7.9 6.4 6.1 6.7 6.4 34 74 45 0.5 2.6 1.2 0.17 1 1 30 440 142 140 900 376
2303 R PULLUR AT PULLUR BR. KERALA 25 33 28 2.5 7.7 6 5.6 6.8 6.1 38 90 56 0.1 3 1.2 0 0 0 2 500 136 4 900 438
2290 R PUZHACKAL AT PUZHACKAL BRIDGE KERALA 26 33 29.7 2.7 8.1 5.3 6.2 7.6 6.8 73 184 99 2 4.6 2.8 0.36 1 0.79 11 340 106 60 2100 523
2299 R RAMAPURAM AT RAMAPURAM BRIDGE KERALA 26 32 28.2 2.4 5 3.6 6 7 6.5 56 60200 22131 1.1 2.8 1.8 0.28 1 0.95 40 240 105 110 600 261
2305 R SHRIYA AT ANGADIMOGARU KERALA 27 32 28.9 5 8 6.9 6.4 7.4 6.7 47 140 66 0.7 3.2 1.8 0 0 0 2 600 93 11 800 205
2296 R THALLASSERY AT PATHIPPALAM KERALA 25 29 26.4 3.7 8 6 6.1 7.4 6.6 21 96 67 0.6 2.7 1.5 0.7 5 3.69 40 300 168 280 600 398
2292 R THIRUR AT THALAKKADATHUR BRIDGE KERALA 29 30.5 30 2.3 7.8 4.9 6.5 7.6 6.8 92 32000 9107 0.6 3 1.6 0.02 1 1 40 400 208 100 2200 614
2306 R UPPALA AT  UPPALA BR. KERALA 27 35 30.8 2.7 8 6.3 6.2 7.6 7 68 53420 18931 0.2 3 1.4 0.16 1 1 2 340 34 4 1600 201
3473 RIVER VALAPATTANAM AT PARASSINIKADAVU, KANNUR KERALA 24 32 27.8 5.5 8 6.6 6.4 7.1 6.8 44 44180 15525 0.2 1.9 1.1 0.055 0.06 0.06 21 700 149 110 900 347
1442 VAMANAPURAM, KERALA KERALA 24.5 31 26.7 5 7.6 7.1 6.8 7.8 7.5 32 78 46 0.4 1 0.8 0.02 1 1 120 310 239 300 2400 1097