/ Contamination status of PWS Schemes
Contamination status of PWS Schemes as on 2026-03-26 00:00:00 to 2026-04-26 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 14 40 40 4 4 4 0 40 0 40 0 0 0 0 0 40 0
2 BANKURA 1092 61 947 947 2 2 2 0 947 0 947 0 0 0 675 0 536 1
3 BIRBHUM 523 32 286 286 16 16 16 0 286 0 286 0 0 0 56 0 111 0
4 COOCH BEHAR 550 96 399 399 7 7 7 0 399 0 399 0 0 0 0 0 344 2
5 DAKSHIN DINAJPUR 433 12 181 181 0 0 0 0 181 0 181 0 0 0 102 0 108 0
6 DARJEELING 576 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
7 HOOGHLY 724 28 168 168 1 1 1 0 168 0 168 0 25 0 0 0 144 21
8 HOWRAH 295 7 45 45 0 0 0 0 45 0 45 0 3 0 0 0 45 0
9 JALPAIGURI 425 5 24 24 1 1 1 0 24 0 24 0 0 0 0 0 24 0
10 JHARGRAM 507 22 102 87 0 0 0 0 102 8 102 3 0 0 0 0 46 2
11 KALIMPONG 233 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
12 MALDAH 455 124 1089 1089 9 9 9 0 1089 1 1089 0 823 0 180 0 823 1
13 MURSHIDABAD 1256 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
14 NADIA 1070 91 1225 1225 0 0 0 0 1225 0 1225 0 794 2 0 0 794 1
15 NORTH 24 PARGANAS 1101 46 400 400 0 0 0 0 400 0 400 0 360 0 0 0 344 5
16 PASCHIM BARDDHAMAN 182 14 161 161 7 7 7 0 161 5 161 2 0 0 0 0 102 0
17 PASCHIM MEDINIPUR 954 44 241 241 46 46 46 0 241 7 241 4 0 0 0 0 218 1
18 PURBA BARDDHAMAN 773 37 140 140 56 56 56 0 140 13 140 6 0 0 0 0 0 0
19 PURBA MEDINIPUR 1008 60 525 525 21 22 22 0 525 0 525 0 0 0 0 0 500 0
20 PURULIA 187 8 36 36 11 11 11 0 36 0 36 0 0 0 26 0 29 0
21 SOUTH 24 PARGANAS 1279 30 618 618 0 0 0 0 618 0 618 0 0 0 0 0 314 0
22 UTTAR DINAJPUR 552 17 93 93 1 1 1 0 93 0 93 0 12 0 81 0 60 0