/ Contamination status of PWS Schemes
Contamination status of PWS Schemes as on 2026-07-17 00:00:00 to 2026-08-17 23:59:59
Sl. No. District PWSS Schemes PWSS
Samples
Tested		 Contamination Status
Free Residual Chlorine Bacteriological Chemical
Total Tested RC
Tested		 RC
not
found		 RC
<0.2 >1		 RC
<0.2		 RC >1 TC Tested E. coli Tested Arsenic tested Fluoride tested Iron tested
Total Present Total Present Total >0.01
mg/l		 Total >1.5
mg/l		 Total >1.0
mg/l
1 ALIPURDUAR 327 85 328 328 114 114 114 0 328 33 328 7 0 0 0 0 327 3
2 BANKURA 1092 9 264 264 2 2 2 0 264 0 264 0 0 0 28 0 28 0
3 BIRBHUM 523 62 433 433 49 52 52 0 433 2 433 0 0 0 255 0 338 7
4 COOCH BEHAR 550 161 784 784 51 51 51 0 784 1 784 0 0 0 0 0 705 14
5 DAKSHIN DINAJPUR 433 56 406 406 9 9 9 0 406 3 406 2 0 0 206 15 122 0
6 DARJEELING 576 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
7 HOOGHLY 724 2 15 15 1 1 1 0 15 0 15 0 14 0 0 0 15 0
8 HOWRAH 295 18 128 128 16 16 16 0 128 4 128 1 18 0 0 0 128 0
9 JALPAIGURI 425 38 244 244 5 5 5 0 244 0 244 0 0 0 0 0 23 0
10 JHARGRAM 507 17 84 74 0 0 0 0 84 0 84 0 0 0 0 0 59 5
11 KALIMPONG 233 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
12 MALDAH 455 90 780 780 52 52 52 0 780 0 780 0 577 0 132 0 577 1
13 MURSHIDABAD 1256 2 4 4 0 0 0 0 4 0 4 0 4 0 0 0 0 0
14 NADIA 1070 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
15 NORTH 24 PARGANAS 1101 13 122 121 0 0 0 0 122 0 122 0 122 0 0 0 122 21
16 PASCHIM BARDDHAMAN 182 10 76 75 13 13 13 0 76 11 76 9 0 0 0 0 69 1
17 PASCHIM MEDINIPUR 954 67 483 483 175 175 175 0 483 18 483 4 0 0 0 0 451 20
18 PURBA BARDDHAMAN 773 91 591 591 191 191 191 0 591 33 591 11 43 0 0 0 488 15
19 PURBA MEDINIPUR 1008 102 1178 1178 136 136 136 0 1178 2 1178 2 0 0 0 0 1079 19
20 PURULIA 187 26 174 174 15 15 15 0 174 0 174 0 0 0 147 0 165 1
21 SOUTH 24 PARGANAS 1279 28 363 363 26 26 26 0 363 10 363 0 66 0 0 0 349 1
22 UTTAR DINAJPUR 552 25 130 130 0 0 0 0 130 17 130 6 0 0 11 0 111 10