/ Contamination status of PWS Schemes
Contamination status of PWS Schemes as on 2026-06-26 00:00:00 to 2026-07-26 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 49 206 206 108 108 108 0 206 39 206 7 0 0 0 0 206 1
2 BANKURA 1092 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
3 BIRBHUM 523 1 3 3 0 0 0 0 3 0 3 0 0 0 3 0 3 0
4 COOCH BEHAR 550 76 358 358 6 7 6 1 358 0 358 0 0 0 0 0 347 3
5 DAKSHIN DINAJPUR 433 13 113 113 0 0 0 0 113 0 113 0 0 0 53 0 36 0
6 DARJEELING 576 1 3 3 3 3 3 0 3 1 3 0 0 0 0 0 3 0
7 HOOGHLY 724 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
8 HOWRAH 295 5 30 30 1 1 1 0 30 0 30 0 0 0 0 0 30 0
9 JALPAIGURI 425 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
10 JHARGRAM 507 14 41 41 1 1 1 0 41 1 41 1 0 0 0 0 41 0
11 KALIMPONG 233 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
12 MALDAH 455 80 616 616 36 36 36 0 616 0 616 0 480 3 180 0 480 2
13 MURSHIDABAD 1256 1 6 6 0 0 0 0 6 0 6 0 6 0 0 0 0 0
14 NADIA 1070 4 25 20 0 0 0 0 25 0 25 0 5 5 0 0 5 4
15 NORTH 24 PARGANAS 1101 49 423 421 35 35 35 0 423 35 423 16 376 16 0 0 376 12
16 PASCHIM BARDDHAMAN 182 8 34 34 1 1 1 0 34 0 34 0 0 0 0 0 30 2
17 PASCHIM MEDINIPUR 954 59 343 343 40 40 40 0 343 0 343 0 0 0 0 0 331 10
18 PURBA BARDDHAMAN 773 247 1318 1318 255 255 255 0 1318 89 1318 44 44 0 0 0 1094 6
19 PURBA MEDINIPUR 1008 55 560 560 35 35 35 0 560 0 560 0 0 0 0 0 560 12
20 PURULIA 187 9 37 37 4 4 4 0 37 0 37 0 0 0 24 0 32 0
21 SOUTH 24 PARGANAS 1279 15 115 115 18 18 18 0 115 8 115 0 49 0 0 0 115 0
22 UTTAR DINAJPUR 552 13 51 51 0 0 0 0 51 3 51 0 3 0 1 0 46 7