WATER QUALITY DATA 2013 | CPCB ENVIS 
WATER QUALITY OF TRIBUTARY STREAMS TEESTA, KUNDLI, DIKHOW, KOHORA, BOGINADI, RANGA,  KAPILI, BEKI, SANKOSH, BARAK,  SONAI, KUSHIYARA, KAROLA, KALJANI, PACHNAI, GANGA, DIKRONG, SIANG & KAMENG - 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
1947 TEESTA AT SILIGURI WEST BENGAL 4 26 18.4 7.5 8.8 8.1 7.2 8.3 7.5 25 117 75 1.4 5.3 2.3 0.09 1.66 1 200 24000 5763 1400 50000 15359
2229 KUNDLI RIVER AT KUNDLI/ SAPAKHOWA, SADIA. ASSAM 17.6 25 21.9 6.3 10 8.2 6.9 7.4 7.2 107 368 203 1.2 2.5 1.7 0.11 2.33 1 720 720 720 300 2000 887
2231 DIKHOW RIVER AT DIKHOW BRIDGE SIVASAGAR ASSAM 18 26 23.3 4.5 7.4 5.9 6.4 7.5 6.9 103 225 169 0.9 2.6 2 0.17 1.25 1 1100 1100 1100 1500 3500 2333
2232 KOHORA RIVER AT N.H. CROSSING, KOHORA ASSAM 24 32 28 6.7 11.1 8.7 6.5 7.2 6.9 30 50 40 0.9 2.9 1.6 0.11 2.23 1 360 360 360 700 2100 1108
2233 BOGINADI NEAR BRIDGE NH-52, LAKHIMPUR ASSAM 22 29 26 7.6 8.2 7.9 6.5 7.6 6.9 72 107 93 1.1 3 1.9 0.13 3.66 2       300 910 647
2234 RANGA NADI D/S OF HYDEL PROJECT ASSAM 20 28 24.5 7.5 8.3 7.8 6.6 7 6.8 78 102 93 1 3.2 2.1 0.11 0.93 0.78       300 2700 1068
2236 KAPILI RIVER AT DHARMTUL BRIDGE, NH-31, NAGAON ASSAM 18 32 26.7 7.1 10 8.3 6 7.3 6.8 69 145 109 0.8 1.7 1.3 0.13 1.45 1       360 360 360
2238 BEKI RIVER AT NH-37 CROSSING AT BARPETA ROAD ASSAM 18 32 26.7 7.1 10 8.3 6 7.3 6.8 120 214 157 0.8 1.7 1.3 0.24 0.98 0.74       360 2100 1123
2239 SANKOSH RIVER, DHUBRI ASSAM 20 31 26.9 5.3 6.8 6.3 6.3 7.4 7 20 97 71 1.2 3.1 2.1 0.27 1.66 1.03       300 910 713
2240 BARAK RIVER AT D/S OF SILCHAR ASSAM 14 23 19 5.8 6.5 6.2 6.5 7.4 6.8 61 222 153 0.8 3.5 1.9 0.16 0.99 0.56 910 4300 2605 1500 21000 6375
2241 SONAI RIVER AT SONAI ASSAM 16 21 18.5 6.2 6.7 6.4 6.6 7.2 7 64 171 109 0.7 4.7 2.3 0.24 1.23 1 730 1100 915 730 2900 1835
2242 KUSHIARA RIVER AT KARIMGANJ ASSAM 15 24 19 6.1 6.8 6.4 6.6 7.3 7 61 160 114 1.1 2 1.5 0.13 0.59 0.26 2300 2300 2300 700 24000 6778
2523 KAROLA, D/S OF JALPAIGURI, NEAR MIN BHAWAN WEST BENGAL 18 34 26.6 6.2 8.4 7.2 7.2 8 7.7 30 131 93 2.1 3.5 2.8 0.08 0.89 0.45 800 24000 7056 1700 90000 20535
2524 KALJANI D/S OF ALIPURDWAR, MUNICIPALITY DISCHARGE POINT  WEST BENGAL 23 33 28.9 6.6 8.8 7.5 7.5 8.9 7.9 119 162 149 1.2 5.9 3.3 0.24 1.22 0.96 1400 24000 7075 7000 50000 18824
2235 PANCHNAI RIVER AT NH-52 CROSSING, ORANG ASSAM 19 30 24.3 6.1 8.3 7.4 6.2 7.2 6.7 114 147 127 0.6 2 1.4 0.11 1.19 1.02       300 3500 1400