/ Contamination status of PWS Schemes
Contamination status of PWS Schemes as on 2026-03-24 00:00:00 to 2026-04-24 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 24 62 62 9 9 9 0 62 0 62 0 0 0 0 0 62 0
2 BANKURA 1092 77 1086 1086 8 8 8 0 1086 0 1086 0 0 0 717 0 616 2
3 BIRBHUM 523 46 315 315 18 18 18 0 315 0 315 0 0 0 85 0 117 0
4 COOCH BEHAR 550 111 523 523 12 12 12 0 523 0 523 0 0 0 0 0 468 3
5 DAKSHIN DINAJPUR 433 26 267 267 0 0 0 0 267 0 267 0 0 0 188 0 173 0
6 DARJEELING 576 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
7 HOOGHLY 724 19 131 131 11 11 11 0 131 0 131 0 17 0 0 0 36 0
8 HOWRAH 295 10 57 57 3 3 3 0 57 0 57 0 4 0 0 0 55 0
9 JALPAIGURI 425 38 221 221 0 0 0 0 221 0 221 0 0 0 0 0 221 7
10 JHARGRAM 507 44 195 175 0 0 0 0 195 8 195 3 0 0 0 0 126 5
11 KALIMPONG 233 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
12 MALDAH 455 119 1100 1100 12 12 12 0 1100 1 1100 0 956 0 251 0 956 1
13 MURSHIDABAD 1256 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
14 NADIA 1070 85 801 801 0 0 0 0 801 0 801 0 509 10 0 0 509 5
15 NORTH 24 PARGANAS 1101 56 449 449 0 0 0 0 449 0 449 0 413 0 0 0 397 5
16 PASCHIM BARDDHAMAN 182 17 201 201 7 7 7 0 201 5 201 2 0 0 0 0 135 1
17 PASCHIM MEDINIPUR 954 70 355 355 63 63 63 0 355 8 355 5 0 0 0 0 332 7
18 PURBA BARDDHAMAN 773 42 166 166 57 57 57 0 166 13 166 6 0 0 0 0 5 0
19 PURBA MEDINIPUR 1008 106 865 865 33 34 34 0 865 0 865 0 0 0 0 0 799 5
20 PURULIA 187 15 187 187 3 3 3 0 187 0 187 0 0 0 75 0 154 0
21 SOUTH 24 PARGANAS 1279 40 580 580 0 0 0 0 580 0 580 0 45 0 28 0 329 0
22 UTTAR DINAJPUR 552 25 113 113 1 1 1 0 113 0 113 0 13 0 96 0 68 4