/ Contamination status of PWS Schemes
Contamination status of PWS Schemes as on 2025-12-24 00:00:00 to 2026-01-24 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 60 961 961 4 4 4 0 961 0 961 0 0 0 451 0 549 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 48 259 259 30 30 30 0 259 2 259 0 20 0 0 0 181 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 54 737 737 1 1 1 0 737 0 737 0 450 0 99 0 450 0
13 MURSHIDABAD 1256 5 25 25 1 1 1 0 25 0 25 0 25 0 0 0 14 0
14 NADIA 1070 3 29 29 0 0 0 0 29 0 29 0 19 0 0 0 19 0
15 NORTH 24 PARGANAS 1101 55 488 488 1 1 1 0 488 0 488 0 488 0 0 0 488 19
16 PASCHIM BARDDHAMAN 182 29 258 257 20 20 20 0 258 3 258 2 0 0 0 0 175 0
17 PASCHIM MEDINIPUR 954 49 338 338 75 75 75 0 338 10 338 2 0 0 0 0 330 6
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 107 1015 1015 0 0 0 0 1015 0 1015 0 0 0 0 0 1015 2
20 PURULIA 187 18 130 130 12 12 12 0 130 0 130 0 0 0 104 0 127 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 17 46 46 0 0 0 0 46 1 46 0 3 0 32 0 46 13