/ Contamination status of PWS Schemes
Contamination status of PWS Schemes as on 2026-05-04 00:00:00 to 2026-06-04 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 64 259 259 95 95 95 0 259 31 259 9 0 0 0 0 259 1
2 BANKURA 1092 89 1617 1617 6 6 6 0 1617 1 1617 1 0 0 770 0 976 3
3 BIRBHUM 523 89 608 608 23 23 23 0 608 0 608 0 0 0 366 0 571 1
4 COOCH BEHAR 550 116 385 385 6 6 6 0 385 0 385 0 0 0 0 0 348 2
5 DAKSHIN DINAJPUR 433 31 191 191 0 0 0 0 191 0 191 0 0 0 191 18 108 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 52 257 250 24 24 24 0 257 0 257 0 0 0 0 0 257 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 1418 1418 21 21 21 0 1418 0 1418 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 75 567 567 0 0 0 0 567 0 567 0 521 4 0 0 521 10
16 PASCHIM BARDDHAMAN 182 13 142 142 12 12 12 0 142 2 142 2 0 0 0 0 127 14
17 PASCHIM MEDINIPUR 954 67 530 530 167 167 167 0 530 22 530 4 0 0 0 0 508 56
18 PURBA BARDDHAMAN 773 76 249 249 19 19 19 0 249 9 249 4 5 0 0 0 86 0
19 PURBA MEDINIPUR 1008 143 1293 1293 42 42 42 0 1293 0 1293 0 0 0 0 0 1170 4
20 PURULIA 187 38 316 316 17 17 17 0 316 0 316 0 0 0 248 0 291 3
21 SOUTH 24 PARGANAS 1279 29 278 278 0 0 0 0 278 0 278 0 33 0 0 0 230 0
22 UTTAR DINAJPUR 552 34 149 149 1 1 1 0 149 5 149 2 2 0 124 0 114 14