/ Contamination status of PWS Schemes
Contamination status of PWS Schemes as on 2025-05-15 00:00:00 to 2025-06-15 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 73 247 247 82 82 82 0 247 15 247 7 0 0 0 0 247 4
2 BANKURA 1092 85 1260 1258 1 1 1 0 1260 0 1260 0 0 0 617 0 946 0
3 BIRBHUM 523 117 765 765 4 4 4 0 765 0 765 0 0 0 507 0 713 15
4 COOCH BEHAR 550 137 650 650 8 9 9 0 650 0 650 0 0 0 0 0 649 4
5 DAKSHIN DINAJPUR 433 45 337 337 1 1 1 0 337 1 337 1 0 0 337 22 71 0
6 DARJEELING 576 17 32 32 0 0 0 0 32 0 32 0 0 0 0 0 32 0
7 HOOGHLY 724 181 1572 1572 29 30 30 0 1572 0 1572 0 927 0 0 0 1570 11
8 HOWRAH 295 56 350 350 12 12 12 0 350 1 350 0 61 0 0 0 108 1
9 JALPAIGURI 425 56 205 205 3 3 3 0 205 0 205 0 0 0 0 0 166 24
10 JHARGRAM 507 54 389 389 47 47 47 0 389 2 389 1 0 0 0 0 366 5
11 KALIMPONG 233 13 90 90 0 0 0 0 90 0 90 0 0 0 0 0 90 0
12 MALDAH 455 136 1399 1399 12 12 12 0 1399 2 1399 0 1165 0 574 0 1167 4
13 MURSHIDABAD 1256 132 886 886 29 30 30 0 886 5 886 3 828 47 0 0 828 34
14 NADIA 1070 103 852 808 43 56 56 0 852 0 852 0 585 98 0 0 585 68
15 NORTH 24 PARGANAS 1101 127 1546 1546 1 1 1 0 1546 1 1546 0 1471 5 0 0 1471 88
16 PASCHIM BARDDHAMAN 182 45 384 384 22 22 22 0 384 7 384 3 0 0 0 0 320 12
17 PASCHIM MEDINIPUR 954 127 913 913 100 100 100 0 913 19 913 6 0 0 0 0 903 50
18 PURBA BARDDHAMAN 773 156 1091 1091 98 98 98 0 1091 15 1091 4 218 1 0 0 971 15
19 PURBA MEDINIPUR 1008 166 1449 1449 77 78 78 0 1449 0 1449 0 0 0 0 0 1448 13
20 PURULIA 187 37 403 403 18 18 18 0 403 0 403 0 0 0 242 2 372 2
21 SOUTH 24 PARGANAS 1279 80 1372 1372 5 5 5 0 1372 1 1372 0 209 0 44 0 1362 0
22 UTTAR DINAJPUR 552 39 167 167 4 4 4 0 167 3 167 3 10 0 151 0 166 2