/ Contamination status of PWS Schemes
Contamination status of PWS Schemes as on 2025-07-31 00:00:00 to 2025-08-31 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 44 192 192 91 91 91 0 192 17 192 3 0 0 0 0 191 0
2 BANKURA 1092 100 2079 2079 0 0 0 0 2079 0 2079 0 0 0 1264 0 1342 5
3 BIRBHUM 523 145 1099 1099 20 23 23 0 1099 0 1099 0 0 0 743 1 1087 14
4 COOCH BEHAR 550 149 704 704 9 9 9 0 704 0 704 0 0 0 0 0 589 3
5 DAKSHIN DINAJPUR 433 11 92 92 2 2 2 0 92 1 92 1 0 0 92 1 0 0
6 DARJEELING 576 14 88 87 0 0 0 0 88 1 88 0 0 0 0 0 88 7
7 HOOGHLY 724 88 550 550 38 38 38 0 550 0 550 0 89 1 0 0 549 1
8 HOWRAH 295 49 316 316 10 10 10 0 316 0 316 0 10 0 0 0 55 0
9 JALPAIGURI 425 9 62 62 2 2 2 0 62 0 62 0 0 0 0 0 62 0
10 JHARGRAM 507 78 444 387 19 19 19 0 444 25 444 5 0 0 0 0 440 14
11 KALIMPONG 233 1 2 2 0 0 0 0 2 0 2 0 0 0 0 0 2 0
12 MALDAH 455 140 1767 1767 78 78 78 0 1767 3 1767 0 1291 0 233 0 1291 3
13 MURSHIDABAD 1256 79 469 469 64 69 69 0 469 5 469 2 409 24 0 0 409 32
14 NADIA 1070 87 1132 1132 0 0 0 0 1132 0 1132 0 773 105 0 0 773 1
15 NORTH 24 PARGANAS 1101 152 1665 1653 6 6 6 0 1665 2 1665 1 1591 3 0 0 1591 37
16 PASCHIM BARDDHAMAN 182 15 128 128 2 2 2 0 128 1 128 1 0 0 0 0 102 0
17 PASCHIM MEDINIPUR 954 115 768 768 226 226 226 0 768 88 768 39 0 0 0 0 768 39
18 PURBA BARDDHAMAN 773 224 1832 1832 348 351 351 0 1832 95 1832 51 255 1 0 0 1712 43
19 PURBA MEDINIPUR 1008 188 1957 1957 17 17 17 0 1957 0 1957 0 0 0 0 0 1956 9
20 PURULIA 187 21 217 217 12 12 12 0 217 0 217 0 0 0 126 0 183 2
21 SOUTH 24 PARGANAS 1279 26 289 289 9 9 9 0 289 0 289 0 26 0 4 0 282 0
22 UTTAR DINAJPUR 552 28 153 153 0 0 0 0 153 0 153 0 11 0 126 0 153 8