/ Contamination status of PWS Schemes
Contamination status of PWS Schemes as on 2025-06-15 00:00:00 to 2025-07-15 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 41 126 126 24 24 24 0 126 7 126 1 0 0 0 0 126 0
2 BANKURA 1092 87 1386 1386 7 7 7 0 1386 0 1386 0 0 0 804 1 948 6
3 BIRBHUM 523 101 617 617 2 2 2 0 617 0 617 0 0 0 531 0 613 5
4 COOCH BEHAR 550 134 593 593 6 6 6 0 593 0 593 0 0 0 0 0 589 2
5 DAKSHIN DINAJPUR 433 44 335 335 2 2 2 0 335 2 335 0 0 0 328 14 52 3
6 DARJEELING 576 5 19 19 0 0 0 0 19 0 19 0 0 0 0 0 19 1
7 HOOGHLY 724 162 1095 1095 27 27 27 0 1095 11 1095 1 103 0 0 0 1082 5
8 HOWRAH 295 36 253 252 24 24 24 0 253 0 253 0 1 0 0 0 6 1
9 JALPAIGURI 425 59 343 343 24 24 24 0 343 2 343 1 0 0 0 0 343 15
10 JHARGRAM 507 61 498 498 29 29 29 0 498 11 498 1 0 0 0 0 498 0
11 KALIMPONG 233 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
12 MALDAH 455 143 1690 1690 47 47 47 0 1690 2 1690 0 1432 2 551 0 1432 9
13 MURSHIDABAD 1256 90 605 604 24 30 30 0 605 11 605 5 598 21 0 0 598 14
14 NADIA 1070 95 614 558 1 14 14 0 614 0 614 0 313 132 0 0 314 112
15 NORTH 24 PARGANAS 1101 148 1807 1807 1 2 1 1 1807 1 1807 0 1767 3 0 0 1767 58
16 PASCHIM BARDDHAMAN 182 40 429 429 7 7 7 0 402 6 429 3 0 0 0 0 328 5
17 PASCHIM MEDINIPUR 954 113 720 720 117 119 119 0 720 37 720 20 0 0 0 0 714 21
18 PURBA BARDDHAMAN 773 134 939 939 90 90 90 0 939 21 939 6 78 0 0 0 777 4
19 PURBA MEDINIPUR 1008 201 1768 1768 69 69 69 0 1768 1 1768 0 0 0 0 0 1767 10
20 PURULIA 187 22 319 319 14 14 14 0 319 0 319 0 0 0 155 0 283 2
21 SOUTH 24 PARGANAS 1279 88 1341 1341 6 7 7 0 1341 3 1341 0 235 0 60 0 1318 0
22 UTTAR DINAJPUR 552 36 151 151 0 0 0 0 151 0 151 0 18 0 131 0 151 14