/ Contamination status of PWS Schemes
Contamination status of PWS Schemes as on 2025-12-25 00:00:00 to 2026-01-25 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 30 76 76 8 8 8 0 76 1 76 0 0 0 0 0 76 0
2 BANKURA 1092 43 808 808 1 1 1 0 808 0 808 0 0 0 343 0 488 13
3 BIRBHUM 523 29 166 166 0 0 0 0 166 0 166 0 0 0 86 0 86 0
4 COOCH BEHAR 550 85 314 314 0 0 0 0 314 0 314 0 0 0 0 0 314 0
5 DAKSHIN DINAJPUR 433 15 152 152 0 0 0 0 152 0 152 0 0 0 152 0 0 0
6 DARJEELING 576 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
7 HOOGHLY 724 46 257 257 30 30 30 0 257 2 257 0 20 0 0 0 179 3
8 HOWRAH 295 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
9 JALPAIGURI 425 6 35 35 3 3 3 0 35 0 35 0 0 0 0 0 35 0
10 JHARGRAM 507 18 94 94 5 5 5 0 94 1 94 0 0 0 0 0 46 0
11 KALIMPONG 233 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
12 MALDAH 455 51 716 716 0 0 0 0 716 0 716 0 429 0 79 0 429 0
13 MURSHIDABAD 1256 5 25 25 1 1 1 0 25 0 25 0 25 0 0 0 14 0
14 NADIA 1070 2 19 19 0 0 0 0 19 0 19 0 19 0 0 0 19 0
15 NORTH 24 PARGANAS 1101 54 487 487 1 1 1 0 487 0 487 0 487 0 0 0 487 19
16 PASCHIM BARDDHAMAN 182 25 229 228 19 19 19 0 229 3 229 2 0 0 0 0 157 0
17 PASCHIM MEDINIPUR 954 41 290 290 75 75 75 0 290 10 290 2 0 0 0 0 282 5
18 PURBA BARDDHAMAN 773 104 860 860 139 139 139 0 860 6 860 0 1 0 0 0 11 0
19 PURBA MEDINIPUR 1008 101 981 981 0 0 0 0 981 0 981 0 0 0 0 0 981 0
20 PURULIA 187 14 113 113 11 11 11 0 113 0 113 0 0 0 90 0 113 2
21 SOUTH 24 PARGANAS 1279 16 357 357 0 0 0 0 357 0 357 0 11 0 11 0 317 0
22 UTTAR DINAJPUR 552 9 20 20 0 0 0 0 20 1 20 0 3 0 9 0 20 7