/ Contamination status of PWS Schemes
Contamination status of PWS Schemes as on 2025-09-19 00:00:00 to 2025-10-19 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 50 121 121 34 34 34 0 121 2 121 0 0 0 0 0 120 1
2 BANKURA 1092 73 1193 1193 0 0 0 0 1193 0 1193 0 0 0 735 0 743 0
3 BIRBHUM 523 39 208 208 0 0 0 0 208 0 208 0 0 0 118 0 183 0
4 COOCH BEHAR 550 76 418 418 8 9 9 0 418 0 418 0 0 0 0 0 416 1
5 DAKSHIN DINAJPUR 433 22 91 91 0 0 0 0 91 0 91 0 0 0 91 0 0 0
6 DARJEELING 576 5 8 8 0 0 0 0 8 0 8 0 0 0 0 0 8 0
7 HOOGHLY 724 86 535 535 7 7 7 0 535 1 535 0 61 0 0 0 406 1
8 HOWRAH 295 13 141 141 0 0 0 0 141 0 141 0 0 0 0 0 0 0
9 JALPAIGURI 425 39 188 188 2 2 2 0 188 0 188 0 0 0 0 0 187 20
10 JHARGRAM 507 34 291 233 0 0 0 0 291 8 291 4 0 0 0 0 128 1
11 KALIMPONG 233 6 28 28 0 0 0 0 28 0 28 0 0 0 0 0 28 0
12 MALDAH 455 98 1229 1229 19 19 19 0 1229 0 1229 0 925 0 264 0 925 0
13 MURSHIDABAD 1256 35 128 128 3 3 3 0 128 0 128 0 120 1 0 0 98 2
14 NADIA 1070 18 113 113 0 0 0 0 113 0 113 0 81 0 0 0 81 0
15 NORTH 24 PARGANAS 1101 92 922 914 0 0 0 0 922 1 922 0 847 4 0 0 847 24
16 PASCHIM BARDDHAMAN 182 33 335 335 26 26 26 0 335 9 335 4 0 0 0 0 268 9
17 PASCHIM MEDINIPUR 954 89 776 776 152 154 154 0 776 25 776 8 0 0 0 0 765 18
18 PURBA BARDDHAMAN 773 186 1143 1143 104 104 104 0 1143 18 1143 9 162 0 0 0 677 8
19 PURBA MEDINIPUR 1008 139 1090 1090 44 44 44 0 1090 0 1090 0 0 0 0 0 1087 11
20 PURULIA 187 25 216 216 23 23 23 0 216 1 216 0 0 0 166 0 194 5
21 SOUTH 24 PARGANAS 1279 49 830 830 0 0 0 0 830 0 830 0 1 0 0 0 830 0
22 UTTAR DINAJPUR 552 2 8 8 0 0 0 0 8 0 8 0 6 0 2 0 8 0