/ Contamination status of PWS Schemes
Contamination status of PWS Schemes as on 2026-05-15 00:00:00 to 2026-06-15 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 94 322 322 111 111 111 0 322 25 322 8 0 0 0 0 319 1
2 BANKURA 1092 107 1971 1971 6 6 6 0 1971 1 1971 1 0 0 925 0 1188 3
3 BIRBHUM 523 83 614 614 45 45 45 0 614 0 614 0 0 0 415 0 613 17
4 COOCH BEHAR 550 110 380 380 10 10 10 0 380 0 380 0 0 0 0 0 348 2
5 DAKSHIN DINAJPUR 433 39 239 239 0 0 0 0 239 0 239 0 0 0 239 18 153 0
6 DARJEELING 576 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
7 HOOGHLY 724 26 182 182 8 8 8 0 182 0 182 0 38 0 0 0 161 1
8 HOWRAH 295 25 168 168 8 8 8 0 168 0 168 0 29 0 0 0 115 0
9 JALPAIGURI 425 37 252 252 7 7 7 0 252 0 252 0 0 0 0 0 252 2
10 JHARGRAM 507 49 242 229 24 24 24 0 242 0 242 0 0 0 0 0 242 7
11 KALIMPONG 233 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
12 MALDAH 455 121 1137 1137 57 57 57 0 1137 2 1137 0 912 1 145 0 912 2
13 MURSHIDABAD 1256 15 91 91 3 3 3 0 91 0 91 0 53 6 0 0 29 1
14 NADIA 1070 37 577 577 0 0 0 0 577 0 577 0 298 4 0 0 298 0
15 NORTH 24 PARGANAS 1101 57 447 447 0 0 0 0 447 0 447 0 401 3 0 0 401 10
16 PASCHIM BARDDHAMAN 182 16 151 151 7 7 7 0 151 3 151 2 0 0 0 0 117 0
17 PASCHIM MEDINIPUR 954 84 494 494 127 127 127 0 494 24 494 3 0 0 0 0 464 47
18 PURBA BARDDHAMAN 773 200 881 881 50 50 50 0 881 7 881 5 78 0 0 0 744 4
19 PURBA MEDINIPUR 1008 157 1478 1478 108 108 108 0 1478 1 1478 0 0 0 0 0 1362 6
20 PURULIA 187 34 290 290 5 6 6 0 290 1 290 0 0 0 209 0 261 2
21 SOUTH 24 PARGANAS 1279 39 327 327 1 1 1 0 327 1 327 0 46 0 0 0 294 0
22 UTTAR DINAJPUR 552 36 155 155 2 2 2 0 155 10 155 2 5 0 103 0 118 8