/ Contamination status of PWS Schemes
Contamination status of PWS Schemes as on 2026-06-18 00:00:00 to 2026-07-18 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 41 170 170 96 96 96 0 170 40 170 7 0 0 0 0 170 2
2 BANKURA 1092 44 728 728 4 4 4 0 728 0 728 0 0 0 435 1 481 2
3 BIRBHUM 523 58 395 395 20 20 20 0 395 0 395 0 0 0 210 0 372 1
4 COOCH BEHAR 550 107 362 362 5 5 5 0 362 0 362 0 0 0 0 0 327 2
5 DAKSHIN DINAJPUR 433 28 184 184 0 0 0 0 184 0 184 0 0 0 173 2 53 2
6 DARJEELING 576 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
7 HOOGHLY 724 6 41 41 8 8 8 0 41 0 41 0 1 0 0 0 37 0
8 HOWRAH 295 15 75 75 6 6 6 0 75 0 75 0 27 0 0 0 75 0
9 JALPAIGURI 425 35 185 185 3 3 3 0 185 0 185 0 0 0 0 0 80 9
10 JHARGRAM 507 28 131 131 0 0 0 0 131 1 131 1 0 0 0 0 119 1
11 KALIMPONG 233 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
12 MALDAH 455 77 465 465 38 38 38 0 465 0 465 0 393 2 148 0 393 2
13 MURSHIDABAD 1256 2 9 9 0 0 0 0 9 0 9 0 9 9 0 0 9 3
14 NADIA 1070 60 216 190 71 84 84 0 216 0 216 0 171 95 0 0 171 87
15 NORTH 24 PARGANAS 1101 37 307 306 22 22 22 0 307 23 307 12 291 10 0 0 291 9
16 PASCHIM BARDDHAMAN 182 16 77 77 3 3 3 0 77 1 77 1 0 0 0 0 59 2
17 PASCHIM MEDINIPUR 954 63 418 418 140 140 140 0 418 39 418 4 0 0 0 0 378 28
18 PURBA BARDDHAMAN 773 162 880 880 274 274 274 0 880 94 880 45 44 0 0 0 700 8
19 PURBA MEDINIPUR 1008 123 865 865 53 53 53 0 865 1 865 0 0 0 0 0 855 6
20 PURULIA 187 18 213 213 10 10 10 0 213 0 213 0 0 0 138 0 213 2
21 SOUTH 24 PARGANAS 1279 52 246 246 0 0 0 0 246 0 246 0 52 0 11 0 197 0
22 UTTAR DINAJPUR 552 18 79 79 0 0 0 0 79 6 79 1 0 0 1 0 69 5