/ Contamination status of PWS Schemes
Contamination status of PWS Schemes as on 2026-04-13 00:00:00 to 2026-05-13 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 24 66 66 19 19 19 0 66 4 66 2 0 0 0 0 66 0
2 BANKURA 1092 59 1233 1233 5 5 5 0 1233 0 1233 0 0 0 468 0 736 13
3 BIRBHUM 523 67 424 424 29 29 29 0 424 0 424 0 0 0 155 0 331 4
4 COOCH BEHAR 550 134 498 498 6 6 6 0 498 0 498 0 0 0 0 0 433 1
5 DAKSHIN DINAJPUR 433 44 334 334 3 3 3 0 334 1 334 0 0 0 286 8 249 3
6 DARJEELING 576 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
7 HOOGHLY 724 26 235 235 4 4 4 0 235 0 235 0 40 0 0 0 200 22
8 HOWRAH 295 13 100 100 0 0 0 0 100 0 100 0 0 0 0 0 70 0
9 JALPAIGURI 425 33 139 139 4 4 4 0 139 0 139 0 0 0 0 0 139 0
10 JHARGRAM 507 37 209 193 0 0 0 0 209 2 209 0 0 0 0 0 209 0
11 KALIMPONG 233 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
12 MALDAH 455 102 908 908 11 11 11 0 908 0 908 0 694 0 176 0 694 0
13 MURSHIDABAD 1256 6 28 28 0 0 0 0 28 0 28 0 28 0 0 0 4 0
14 NADIA 1070 66 860 860 0 0 0 0 860 0 860 0 550 13 0 0 550 1
15 NORTH 24 PARGANAS 1101 33 336 334 0 0 0 0 336 0 336 0 296 1 0 0 296 2
16 PASCHIM BARDDHAMAN 182 15 176 176 7 7 7 0 176 3 176 0 0 0 0 0 122 1
17 PASCHIM MEDINIPUR 954 37 294 294 103 103 103 0 294 17 294 5 0 0 0 0 290 33
18 PURBA BARDDHAMAN 773 39 107 107 14 14 14 0 107 1 107 1 0 0 0 0 0 0
19 PURBA MEDINIPUR 1008 95 823 823 28 28 28 0 823 0 823 0 0 0 0 0 744 1
20 PURULIA 187 28 309 309 16 16 16 0 309 0 309 0 0 0 199 1 301 1
21 SOUTH 24 PARGANAS 1279 41 700 700 0 0 0 0 700 0 700 0 6 0 0 0 472 0
22 UTTAR DINAJPUR 552 13 54 54 0 0 0 0 54 0 54 0 0 0 49 0 54 3