/ Contamination status of PWS Schemes
Contamination status of PWS Schemes as on 2026-06-19 00:00:00 to 2026-07-19 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 36 160 160 95 95 95 0 160 39 160 6 0 0 0 0 160 2
2 BANKURA 1092 34 607 607 3 3 3 0 607 0 607 0 0 0 377 1 412 2
3 BIRBHUM 523 54 378 378 20 20 20 0 378 0 378 0 0 0 204 0 365 1
4 COOCH BEHAR 550 90 319 319 1 1 1 0 319 0 319 0 0 0 0 0 284 2
5 DAKSHIN DINAJPUR 433 22 151 151 0 0 0 0 151 0 151 0 0 0 140 2 45 2
6 DARJEELING 576 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
7 HOOGHLY 724 2 7 7 6 6 6 0 7 0 7 0 1 0 0 0 7 0
8 HOWRAH 295 15 68 68 5 5 5 0 68 0 68 0 27 0 0 0 68 0
9 JALPAIGURI 425 31 150 150 3 3 3 0 150 0 150 0 0 0 0 0 56 9
10 JHARGRAM 507 26 128 128 0 0 0 0 128 1 128 1 0 0 0 0 116 0
11 KALIMPONG 233 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
12 MALDAH 455 66 419 419 33 33 33 0 419 0 419 0 365 2 144 0 365 2
13 MURSHIDABAD 1256 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
14 NADIA 1070 49 152 126 52 65 65 0 152 0 152 0 121 76 0 0 121 76
15 NORTH 24 PARGANAS 1101 36 293 292 22 22 22 0 293 23 293 12 277 10 0 0 277 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 62 401 401 139 139 139 0 401 39 401 4 0 0 0 0 361 28
18 PURBA BARDDHAMAN 773 144 797 797 255 255 255 0 797 90 797 42 38 0 0 0 636 8
19 PURBA MEDINIPUR 1008 105 742 742 49 49 49 0 742 1 742 0 0 0 0 0 732 5
20 PURULIA 187 17 195 195 8 8 8 0 195 0 195 0 0 0 120 0 195 2
21 SOUTH 24 PARGANAS 1279 46 198 198 0 0 0 0 198 0 198 0 41 0 11 0 149 0
22 UTTAR DINAJPUR 552 16 56 56 0 0 0 0 56 3 56 0 0 0 1 0 46 5