/ Contamination status of PWS Schemes
Contamination status of PWS Schemes as on 2026-06-04 00:00:00 to 2026-07-04 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 66 195 195 65 65 65 0 195 7 195 1 0 0 0 0 192 2
2 BANKURA 1092 115 1930 1930 14 14 14 0 1930 0 1930 0 0 0 955 1 1064 3
3 BIRBHUM 523 102 803 803 55 55 55 0 803 2 803 0 0 0 522 0 707 4
4 COOCH BEHAR 550 176 584 584 14 14 14 0 584 0 584 0 0 0 0 0 524 5
5 DAKSHIN DINAJPUR 433 55 398 398 0 0 0 0 398 0 398 0 0 0 289 2 171 4
6 DARJEELING 576 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
7 HOOGHLY 724 20 116 116 8 8 8 0 116 0 116 0 1 0 0 0 89 0
8 HOWRAH 295 30 203 203 10 11 11 0 203 0 203 0 79 0 0 0 195 3
9 JALPAIGURI 425 53 278 278 7 7 7 0 278 0 278 0 0 0 0 0 173 24
10 JHARGRAM 507 48 205 185 0 0 0 0 205 2 205 2 0 0 0 0 193 3
11 KALIMPONG 233 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
12 MALDAH 455 128 1197 1197 50 50 50 0 1197 0 1197 0 866 1 145 0 866 1
13 MURSHIDABAD 1256 5 22 22 5 5 5 0 22 0 22 0 22 9 0 0 9 3
14 NADIA 1070 73 316 289 90 103 103 0 316 0 316 0 255 130 0 0 256 104
15 NORTH 24 PARGANAS 1101 55 368 364 0 0 0 0 368 0 368 0 338 3 0 0 338 6
16 PASCHIM BARDDHAMAN 182 19 151 151 14 14 14 0 151 7 151 7 0 0 0 0 119 2
17 PASCHIM MEDINIPUR 954 92 685 685 211 212 212 0 685 49 685 6 0 0 0 0 632 43
18 PURBA BARDDHAMAN 773 249 1515 1515 274 274 274 0 1515 64 1515 29 126 0 0 0 1281 12
19 PURBA MEDINIPUR 1008 199 1942 1942 148 149 149 0 1942 1 1942 0 0 0 0 0 1858 10
20 PURULIA 187 31 412 412 25 25 25 0 412 0 412 0 0 0 326 1 406 8
21 SOUTH 24 PARGANAS 1279 64 487 487 2 2 2 0 487 0 487 0 47 0 11 0 418 0
22 UTTAR DINAJPUR 552 28 135 135 4 4 4 0 135 10 135 2 1 0 24 0 118 8