/ Contamination status of PWS Schemes
Contamination status of PWS Schemes as on 2026-05-06 00:00:00 to 2026-06-06 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 68 268 268 95 95 95 0 268 31 268 9 0 0 0 0 268 1
2 BANKURA 1092 103 1792 1792 6 6 6 0 1792 1 1792 1 0 0 871 0 1056 3
3 BIRBHUM 523 89 676 676 49 49 49 0 676 0 676 0 0 0 413 0 639 18
4 COOCH BEHAR 550 134 468 468 9 9 9 0 468 0 468 0 0 0 0 0 429 3
5 DAKSHIN DINAJPUR 433 42 230 230 0 0 0 0 230 0 230 0 0 0 230 18 146 0
6 DARJEELING 576 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
7 HOOGHLY 724 32 238 238 9 9 9 0 238 1 238 0 60 0 0 0 183 1
8 HOWRAH 295 26 168 168 5 5 5 0 168 0 168 0 29 0 0 0 86 0
9 JALPAIGURI 425 38 257 257 10 10 10 0 257 0 257 0 0 0 0 0 257 3
10 JHARGRAM 507 52 255 248 24 24 24 0 255 0 255 0 0 0 0 0 255 7
11 KALIMPONG 233 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
12 MALDAH 455 130 1381 1381 21 21 21 0 1381 0 1381 0 983 1 173 0 983 0
13 MURSHIDABAD 1256 16 123 123 5 5 5 0 123 1 123 1 60 6 0 0 29 1
14 NADIA 1070 71 915 915 0 0 0 0 915 0 915 0 538 12 0 0 538 0
15 NORTH 24 PARGANAS 1101 77 601 601 0 0 0 0 601 0 601 0 555 4 0 0 555 10
16 PASCHIM BARDDHAMAN 182 13 144 144 14 14 14 0 144 3 144 2 0 0 0 0 129 14
17 PASCHIM MEDINIPUR 954 89 628 628 181 181 181 0 628 29 628 5 0 0 0 0 602 63
18 PURBA BARDDHAMAN 773 131 476 476 63 63 63 0 476 13 476 8 38 0 0 0 254 0
19 PURBA MEDINIPUR 1008 158 1515 1515 139 139 139 0 1515 1 1515 0 0 0 0 0 1373 7
20 PURULIA 187 41 359 359 17 18 18 0 359 1 359 0 0 0 262 0 332 3
21 SOUTH 24 PARGANAS 1279 35 361 361 0 0 0 0 361 0 361 0 76 0 0 0 281 0
22 UTTAR DINAJPUR 552 43 180 180 1 1 1 0 180 15 180 4 5 0 145 0 140 15