/ Contamination status of PWS Schemes
Contamination status of PWS Schemes as on 2025-10-07 00:00:00 to 2025-11-07 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 74 215 215 76 76 76 0 215 22 215 1 0 0 0 0 215 3
2 BANKURA 1092 105 1732 1732 3 3 3 0 1732 0 1732 0 0 0 1093 0 1003 5
3 BIRBHUM 523 88 726 726 1 1 1 0 726 5 726 0 0 0 456 0 665 18
4 COOCH BEHAR 550 190 841 841 9 9 9 0 841 0 841 0 0 0 0 0 841 0
5 DAKSHIN DINAJPUR 433 34 304 304 3 3 3 0 304 2 304 0 0 0 304 4 0 0
6 DARJEELING 576 9 20 20 0 0 0 0 20 0 20 0 0 0 0 0 20 0
7 HOOGHLY 724 83 608 608 2 2 2 0 608 0 608 0 60 0 0 0 476 4
8 HOWRAH 295 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
9 JALPAIGURI 425 47 209 209 4 4 4 0 209 0 209 0 0 0 0 0 209 3
10 JHARGRAM 507 24 111 110 12 12 12 0 111 2 111 0 0 0 0 0 111 2
11 KALIMPONG 233 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
12 MALDAH 455 143 1838 1838 21 21 21 0 1838 0 1838 0 1367 0 378 0 1367 2
13 MURSHIDABAD 1256 52 269 269 5 5 5 0 269 0 269 0 245 18 0 0 213 6
14 NADIA 1070 82 1064 1064 0 0 0 0 1064 0 1064 0 667 82 0 0 667 2
15 NORTH 24 PARGANAS 1101 118 1317 1314 0 0 0 0 1317 1 1317 0 1241 7 0 0 1241 34
16 PASCHIM BARDDHAMAN 182 36 353 353 14 14 14 0 353 7 353 2 0 0 0 0 312 1
17 PASCHIM MEDINIPUR 954 65 520 520 91 93 93 0 520 26 520 9 0 0 0 0 508 32
18 PURBA BARDDHAMAN 773 211 1588 1588 150 150 150 0 1588 34 1588 17 296 0 0 0 767 16
19 PURBA MEDINIPUR 1008 169 1655 1655 79 79 79 0 1655 0 1655 0 0 0 0 0 1653 4
20 PURULIA 187 35 435 435 19 19 19 0 435 0 435 0 0 0 261 1 406 7
21 SOUTH 24 PARGANAS 1279 58 993 993 0 0 0 0 993 0 993 0 10 0 0 0 993 0
22 UTTAR DINAJPUR 552 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0