/ Contamination status of PWS Schemes
Contamination status of PWS Schemes as on 2026-08-13 00:00:00 to 2026-09-13 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 33 164 164 99 99 99 0 164 11 164 4 0 0 0 0 163 0
2 BANKURA 1092 73 1538 1538 6 6 6 0 1538 0 1538 0 0 0 838 0 692 1
3 BIRBHUM 523 69 471 471 15 15 15 0 471 4 471 0 0 0 282 0 347 3
4 COOCH BEHAR 550 142 622 622 12 12 12 0 622 0 622 0 0 0 0 0 562 11
5 DAKSHIN DINAJPUR 433 42 393 393 0 0 0 0 393 0 393 0 0 0 88 0 0 0
6 DARJEELING 576 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
7 HOOGHLY 724 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
8 HOWRAH 295 23 147 147 2 2 2 0 147 0 147 0 47 0 0 0 147 0
9 JALPAIGURI 425 23 170 170 4 4 4 0 170 0 170 0 0 0 0 0 36 0
10 JHARGRAM 507 19 64 60 0 0 0 0 64 0 64 0 0 0 0 0 64 1
11 KALIMPONG 233 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
12 MALDAH 455 92 829 829 22 22 22 0 829 1 829 0 546 0 145 0 546 1
13 MURSHIDABAD 1256 3 11 11 0 0 0 0 11 0 11 0 11 0 0 0 0 0
14 NADIA 1070 34 400 400 0 0 0 0 400 0 400 0 224 0 0 0 224 1
15 NORTH 24 PARGANAS 1101 40 268 268 0 0 0 0 268 0 268 0 224 0 0 0 224 9
16 PASCHIM BARDDHAMAN 182 9 103 103 4 4 4 0 103 2 103 0 0 0 0 0 94 1
17 PASCHIM MEDINIPUR 954 50 387 387 129 129 129 0 387 39 387 9 0 0 0 0 363 23
18 PURBA BARDDHAMAN 773 128 678 678 117 117 117 0 678 48 678 20 24 0 0 0 565 10
19 PURBA MEDINIPUR 1008 69 773 773 24 24 24 0 773 0 773 0 0 0 0 0 759 0
20 PURULIA 187 26 178 178 7 7 7 0 178 0 178 0 0 0 153 0 165 0
21 SOUTH 24 PARGANAS 1279 28 277 277 0 0 0 0 277 0 277 0 0 0 0 0 198 0
22 UTTAR DINAJPUR 552 23 103 103 1 1 1 0 103 8 103 3 8 0 9 0 54 6