/ Contamination status of PWS Schemes
Contamination status of PWS Schemes as on 2026-04-07 00:00:00 to 2026-05-07 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 37 104 104 20 20 20 0 104 4 104 2 0 0 0 0 104 0
2 BANKURA 1092 84 1693 1693 7 7 7 0 1693 0 1693 0 0 0 910 0 946 13
3 BIRBHUM 523 48 401 401 22 22 22 0 401 0 401 0 0 0 109 0 218 3
4 COOCH BEHAR 550 129 488 488 12 13 13 0 488 0 488 0 0 0 0 0 417 2
5 DAKSHIN DINAJPUR 433 43 361 361 3 3 3 0 361 1 361 0 0 0 292 8 261 3
6 DARJEELING 576 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
7 HOOGHLY 724 26 159 159 1 1 1 0 159 0 159 0 25 0 0 0 144 21
8 HOWRAH 295 10 88 88 0 0 0 0 88 0 88 0 3 0 0 0 88 0
9 JALPAIGURI 425 33 135 135 4 4 4 0 135 0 135 0 0 0 0 0 135 0
10 JHARGRAM 507 53 282 259 0 0 0 0 282 8 282 1 0 0 0 0 266 3
11 KALIMPONG 233 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
12 MALDAH 455 120 1087 1087 1 1 1 0 1087 0 1087 0 783 0 210 0 783 0
13 MURSHIDABAD 1256 4 20 20 0 0 0 0 20 0 20 0 20 0 0 0 1 0
14 NADIA 1070 79 1028 1028 0 0 0 0 1028 0 1028 0 659 14 0 0 659 1
15 NORTH 24 PARGANAS 1101 63 623 621 0 0 0 0 623 0 623 0 583 1 0 0 567 5
16 PASCHIM BARDDHAMAN 182 27 262 262 25 25 25 0 262 9 262 5 0 0 0 0 178 2
17 PASCHIM MEDINIPUR 954 68 472 472 106 106 106 0 472 24 472 9 0 0 0 0 445 23
18 PURBA BARDDHAMAN 773 50 171 171 47 47 47 0 171 9 171 4 0 0 0 0 0 0
19 PURBA MEDINIPUR 1008 129 1285 1285 40 40 40 0 1285 0 1285 0 0 0 0 0 1181 4
20 PURULIA 187 26 186 186 22 22 22 0 186 0 186 0 0 0 147 0 171 0
21 SOUTH 24 PARGANAS 1279 45 858 858 8 8 8 0 858 4 858 0 4 0 0 0 542 1
22 UTTAR DINAJPUR 552 28 142 142 1 1 1 0 142 0 142 0 12 0 125 0 109 3