/ Contamination status of PWS Schemes
Contamination status of PWS Schemes as on 2026-02-06 00:00:00 to 2026-03-06 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 72 269 269 118 118 118 0 269 29 269 8 0 0 0 0 269 3
2 BANKURA 1092 111 2142 2142 12 12 12 0 2142 0 2142 0 0 0 1214 0 1312 13
3 BIRBHUM 523 118 947 947 45 52 45 7 947 0 947 0 0 0 220 0 486 7
4 COOCH BEHAR 550 119 493 493 6 6 6 0 493 0 493 0 0 0 0 0 493 0
5 DAKSHIN DINAJPUR 433 45 427 427 0 0 0 0 427 0 427 0 0 0 427 11 21 0
6 DARJEELING 576 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
7 HOOGHLY 724 86 596 596 10 10 10 0 596 0 596 0 77 0 0 0 419 3
8 HOWRAH 295 20 116 116 10 10 10 0 116 0 116 0 10 0 0 0 103 0
9 JALPAIGURI 425 38 274 274 3 3 3 0 274 0 274 0 0 0 0 0 274 28
10 JHARGRAM 507 55 329 302 0 0 0 0 329 6 329 3 0 0 0 0 226 4
11 KALIMPONG 233 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
12 MALDAH 455 119 1095 1095 21 21 21 0 1095 0 1095 0 676 0 203 0 676 0
13 MURSHIDABAD 1256 23 117 117 2 2 2 0 117 1 117 0 83 13 0 0 61 9
14 NADIA 1070 40 456 456 0 0 0 0 456 0 456 0 228 3 0 0 228 0
15 NORTH 24 PARGANAS 1101 74 671 667 0 0 0 0 671 0 671 0 631 3 0 0 631 13
16 PASCHIM BARDDHAMAN 182 27 212 212 18 18 18 0 212 3 212 3 0 0 0 0 173 5
17 PASCHIM MEDINIPUR 954 92 605 605 152 152 152 0 605 6 605 1 0 0 0 0 572 41
18 PURBA BARDDHAMAN 773 169 1235 1235 173 173 173 0 1235 5 1235 3 107 0 0 0 78 0
19 PURBA MEDINIPUR 1008 118 1288 1288 11 11 11 0 1288 0 1288 0 0 0 0 0 1251 28
20 PURULIA 187 31 375 375 18 18 18 0 375 0 375 0 0 0 220 0 342 3
21 SOUTH 24 PARGANAS 1279 88 1146 1146 0 0 0 0 1146 0 1146 0 140 0 82 0 1075 0
22 UTTAR DINAJPUR 552 17 86 86 0 0 0 0 86 0 86 0 6 0 74 0 85 4