/ Contamination status of PWS Schemes
Contamination status of PWS Schemes as on 2025-08-01 00:00:00 to 2025-09-01 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 42 189 189 91 91 91 0 189 17 189 3 0 0 0 0 188 0
2 BANKURA 1092 100 2051 2051 0 0 0 0 2051 0 2051 0 0 0 1236 0 1314 5
3 BIRBHUM 523 134 938 938 2 3 3 0 938 0 938 0 0 0 582 0 926 9
4 COOCH BEHAR 550 149 698 698 5 5 5 0 698 0 698 0 0 0 0 0 585 3
5 DAKSHIN DINAJPUR 433 9 70 70 0 0 0 0 70 0 70 0 0 0 70 0 0 0
6 DARJEELING 576 13 86 86 0 0 0 0 86 0 86 0 0 0 0 0 86 6
7 HOOGHLY 724 74 425 425 18 18 18 0 425 0 425 0 51 0 0 0 424 1
8 HOWRAH 295 45 296 296 2 2 2 0 296 0 296 0 10 0 0 0 47 0
9 JALPAIGURI 425 9 62 62 2 2 2 0 62 0 62 0 0 0 0 0 62 0
10 JHARGRAM 507 70 363 332 2 2 2 0 363 12 363 3 0 0 0 0 360 13
11 KALIMPONG 233 1 2 2 0 0 0 0 2 0 2 0 0 0 0 0 2 0
12 MALDAH 455 140 1766 1766 78 78 78 0 1766 3 1766 0 1290 0 232 0 1290 3
13 MURSHIDABAD 1256 70 400 400 24 29 29 0 400 1 400 1 340 14 0 0 340 25
14 NADIA 1070 87 1094 1094 0 0 0 0 1094 0 1094 0 735 105 0 0 735 1
15 NORTH 24 PARGANAS 1101 148 1611 1599 3 3 3 0 1611 1 1611 1 1537 2 0 0 1537 35
16 PASCHIM BARDDHAMAN 182 14 125 125 1 1 1 0 125 1 125 1 0 0 0 0 101 0
17 PASCHIM MEDINIPUR 954 113 730 730 215 215 215 0 730 88 730 39 0 0 0 0 730 38
18 PURBA BARDDHAMAN 773 224 1826 1826 342 345 345 0 1826 94 1826 50 251 1 0 0 1706 40
19 PURBA MEDINIPUR 1008 179 1880 1880 2 2 2 0 1880 0 1880 0 0 0 0 0 1879 7
20 PURULIA 187 18 198 198 7 7 7 0 198 0 198 0 0 0 107 0 164 2
21 SOUTH 24 PARGANAS 1279 18 222 222 4 4 4 0 222 0 222 0 19 0 4 0 222 0
22 UTTAR DINAJPUR 552 28 153 153 0 0 0 0 153 0 153 0 11 0 126 0 153 8