| WATER QUALITY DATA 2009 | ENVIS CPCB | |||||||||||||||||||||||||
| WATER QUALITY OF GROUND WATER IN ASSAM - 2009 | |||||||||||||||||||||||||
| STATION CODE | LOCATIONS | TEMPERATURE şC | 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 | ||
| WATER QUALITY CRITERIA | 6.5-8.5 | < 2250 µmhos/cm | < 3 mg/l | < 2500 MPN/100ml | < 5000 MPN/100ml | ||||||||||||||||||||
| 1533 | *DIGBOI, TINSUKIA DISTT., | 20 | 26 | 23 | 6.4 | 6.7 | 6.55 | 130 | 139 | 135 | 1.9 | 2 | 1.95 | 0.1 | 0.1 | 0.1 | 0 | 0 | 0 | 1 | 1 | 1 | |||
| 1534 | *KARBI ANGLONG DISTT. | 31 | 32 | 31.5 | 7.3 | 7.3 | 7.3 | 460 | 917 | 689 | 0.5 | 4.6 | 2.55 | 0.1 | 0.1 | 0.1 | 0 | 0 | 0 | 1 | 1 | 1 | |||
| 1535 | *SIBSAGAR , ASSAM | 23 | 25 | 24 | 6 | 6.2 | 6.1 | 208 | 387 | 298 | 1.5 | 2.4 | 1.95 | 0.1 | 0.11 | 0.11 | 0 | 0 | 0 | 1 | 1 | 1 | |||
| 1536 | *SIBSAGAR, ASSAM | 25 | 25 | 25 | 6 | 7.1 | 6.55 | 129 | 212 | 171 | 0.7 | 1.6 | 1.15 | 0.1 | 0.1 | 0.1 | 0 | 0 | 0 | 1 | 1 | 1 | |||
| 1537 | *(JORHAT, ASSAM | 24 | 26 | 25 | 6.5 | 6.8 | 6.65 | 259 | 322 | 291 | 0.8 | 1.4 | 1.1 | 0.1 | 0.1 | 0.1 | 0 | 0 | 0 | 1 | 1 | 1 | |||
| 1538 | *SILCHAR, ASSAM | 11 | 12 | 11.5 | 6.8 | 6.8 | 6.8 | 534 | 888 | 711 | 0.5 | 2.2 | 1.35 | 0.1 | 0.21 | 0.16 | 0 | 0 | 0 | 1 | 360 | 181 | |||
| 1539 | *BARPETA, ASSAM | 24 | 27.5 | 25.8 | 6.6 | 7.7 | 7.15 | 360 | 500 | 430 | 2.2 | 3.5 | 2.85 | 0.12 | 0.16 | 0.14 | 0 | 0 | 0 | 1 | 1 | 1 | |||
| 1540 | *BONAIGAON, ASSAM | 25 | 26 | 25.5 | 6.3 | 6.3 | 6.3 | 121 | 240 | 181 | 0.7 | 3.2 | 1.95 | 0.7 | 1.21 | 0.96 | 0 | 0 | 0 | 1 | 1 | 1 | |||
| 1541 | *GUWAHATI, ASSAM | 24 | 26 | 25 | 6.3 | 7 | 6.65 | 628 | 1254 | 941 | 1.5 | 50 | 25.75 | 0.22 | 11.8 | 6.01 | 0 | 0 | 0 | 700 | 730 | 715 | |||
| 1542 | *GUWAHATI, ASSAM | 26 | 28 | 27 | 7.1 | 7.3 | 7.2 | 374 | 408 | 391 | 2.5 | 3 | 2.75 | 0.15 | 1.02 | 0.59 | 0 | 0 | 0 | 0 | 1 | 1 | |||
| 2243 | GROUND WATER FROM LEDO, MARGHERITA | 20 | 28 | 24 | 6.1 | 6.6 | 6.35 | 544 | 573 | 559 | 0.6 | 1.5 | 1.05 | 0.1 | 0.2 | 0.15 | 0 | 0 | 0 | 1 | 1 | 1 | |||
| 2244 | GROUND WATER FROM NAZIRA | 23 | 23 | 23 | 6.8 | 6.8 | 6.8 | 257 | 257 | 257 | 1.6 | 1.6 | 1.6 | 0.1 | 0.1 | 0.1 | 0 | 0 | 0 | 1 | 1 | 1 | |||
| 2245 | GROUND WATER FROM NUMALIGARH (NEAR NRL TE LABOR COLONY) | 28 | 30 | 29 | 7.3 | 7.3 | 7.3 | 450 | 524 | 487 | 0.8 | 1.2 | 1 | 0.51 | 0.59 | 0.55 | 0 | 0 | 0 | 1 | 1 | 1 | |||
| 2246 | GROUND WATER FROM SEMENCHAPARI | 20 | 26 | 23 | 7.1 | 7.3 | 7.2 | 291 | 372 | 332 | 1.6 | 2.5 | 2.05 | 0.1 | 0.16 | 0.13 | 0 | 0 | 0 | 1 | 1 | 1 | |||
| 2247 | GROUND WATER FROM SILAPATHAR | 20 | 28 | 24 | 6.8 | 7.1 | 6.95 | 370 | 430 | 400 | 0.6 | 2.1 | 1.35 | 0.11 | 0.14 | 0.125 | 0 | 0 | 0 | 1 | 1 | 1 | |||
| 2248 | GROUND WATER FROM LAKHIMPUR TOWN | 25 | 27 | 26 | 7 | 7.2 | 7.1 | 67 | 270 | 169 | 0.5 | 14.6 | 7.55 | 0.1 | 0.1 | 0.1 | 0 | 0 | 0 | 1 | 1 | 1 | |||
| 2249 | GROUND WATER FROM TEZPUR (MISSION CHARIALI) | 25 | 25 | 25 | 6.1 | 6.7 | 6.4 | 138 | 236 | 187 | 2.2 | 13.4 | 7.8 | 0.1 | 0.17 | 0.14 | 0 | 0 | 0 | 1 | 1 | 1 | |||
| 2250 | GROUND WATER FROM NAGAON (PANIGAON) | 18 | 27 | 22.5 | 6.6 | 6.9 | 6.75 | 775 | 835 | 805 | 1.3 | 1.3 | 1.3 | 0.1 | 0.2 | 0.15 | 0 | 0 | 0 | 1 | 1 | 1 | |||
| 2251 | GROUND WATER FROM JAGIROAD NEAR HPC EFFLUENT DISCHARGE PT | 23 | 24 | 23.5 | 6.4 | 6.4 | 6.4 | 388 | 432 | 410 | 1 | 1.4 | 1.2 | 0.38 | 0.41 | 0.40 | 0 | 0 | 0 | 1 | 360 | 181 | |||
| 2252 | GROUND WATER NEAR MSW DUMPING SITE AT GARCHUK-GUWAHATI | 26 | 28 | 27 | 6.9 | 7.1 | 7 | 263 | 278 | 271 | 0.3 | 0.8 | 0.55 | 0.1 | 0.26 | 0.18 | 0 | 0 | 0 | 1 | 1 | 1 | |||
| 2253 | GROUND WATER FROM NALBARI | 26 | 26 | 26 | 6.8 | 7 | 6.9 | 239 | 388 | 314 | 4 | 4.2 | 4.1 | 0.1 | 0.1 | 0.1 | 0 | 0 | 0 | 1 | 1 | 1 | |||
| 2254 | GROUND WATER FROM BARPETA ROAD(RLY STATION) | 25 | 28 | 26.5 | 6.9 | 7.1 | 7 | 138 | 773 | 456 | 3.2 | 3.4 | 3.3 | 0.1 | 0.1 | 0.1 | 0 | 0 | 0 | 1 | 1 | 1 | |||
| 2255 | NEAR BPRL, DHALIGAON | 21 | 27 | 24 | 6.3 | 6.5 | 6.4 | 288 | 527 | 408 | 1.5 | 2.4 | 1.95 | 0.21 | 0.29 | 0.25 | 0 | 0 | 0 | 1 | 730 | 366 | |||
| 2256 | GROUND WATER FROM KOKRAJHAR DISTRICT (HS SCHOOL ) | 25 | 28 | 26.5 | 6.2 | 6.7 | 6.45 | 119 | 246 | 183 | 0.5 | 3.8 | 2.15 | 0.1 | 0.12 | 0.11 | 0 | 0 | 0 | 1 | 1 | 1 | |||
| 2257 | GROUND WATER FROM DHUBRI DISTRICT (COLLEGE NAGAR ) | 24 | 27 | 25.5 | 6.5 | 6.8 | 6.65 | 327 | 387 | 357 | 1 | 4.8 | 2.9 | 0.1 | 0.1 | 0.1 | 0 | 0 | 0 | 1 | 1 | 1 | |||
| 2258 | GROUND WATER FROM GOALPARA DIST. (GOALPARA COLLEGE ) | 26.5 | 27.5 | 27 | 6.4 | 6.8 | 6.6 | 406 | 442 | 424 | 0.5 | 1.9 | 1.2 | 0.1 | 0.31 | 0.21 | 0 | 0 | 0 | 1 | 1 | 1 | |||
| 2259 | GROUND WATER FROM DIPHU (GOVT. COLLEGE) | 31 | 31 | 31 | 7.3 | 7.3 | 7.3 | 353 | 927 | 640 | 0.4 | 2.8 | 1.6 | 0.1 | 0.15 | 0.125 | 0 | 0 | 0 | 1 | 360 | 181 | |||
| 2260 | GROUND WATER FROM HAMREN | 11 | 11.3 | 11.15 | 6.8 | 7.1 | 6.95 | 186 | 530 | 358 | 0.9 | 1.8 | 1.35 | 0.1 | 0.1 | 0.1 | 0 | 0 | 0 | 1 | 1 | 1 | |||
| 2261 | GROUND WATER FROM HAFLONG | 11 | 11 | 11 | 6.4 | 6.5 | 6.45 | 134 | 144 | 139 | 0.9 | 1.6 | 1.25 | 0.1 | 0.11 | 0.11 | 0 | 0 | 0 | 1 | 1 | 1 | |||
| 2262 | GROUND WATER FROM KARIMGANJ (COLLEGE) | 12 | 12 | 12 | 6.9 | 6.9 | 6.9 | 168 | 844 | 506 | 0.8 | 2 | 1.4 | 0.1 | 0.1 | 0.1 | 0 | 0 | 0 | 1 | 1 | 1 | |||
| 2263 | GROUND WATER FROM HIALAKANDI (NEAR ASTC BUS STAND ) | 20 | 24 | 22.2 | 6 | 8.1 | 6.825 | 114 | 434 | 332 | 2 | 2.6 | 2.35 | 0.13 | 0.24 | 0.20 | 3 | 11 | 7 | 7 | 1100 | 287 | |||
| 2264 | GROUND WATER IN PANCHGRAM MARKET NEAR CACHAR PAPER MILL | 20 | 25 | 22 | 6.7 | 6.9 | 6.8 | 136 | 813 | 484 | 1.4 | 2.7 | 2.23 | 0.1 | 0.26 | 0.19 | 3 | 35 | 19 | 11 | 2400 | 636 | |||