/ Contamination status of PWS Schemes
Contamination status of PWS Schemes as on 2026-02-11 00:00:00 to 2026-03-11 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 75 308 308 143 143 143 0 308 35 308 4 0 0 0 0 308 3
2 BANKURA 1092 110 2122 2122 9 9 9 0 2122 0 2122 0 0 0 1053 0 1339 12
3 BIRBHUM 523 108 825 825 43 50 43 7 825 0 825 0 0 0 195 0 425 7
4 COOCH BEHAR 550 162 786 786 20 20 20 0 786 0 786 0 0 0 0 0 786 4
5 DAKSHIN DINAJPUR 433 44 377 377 0 0 0 0 377 0 377 0 0 0 377 11 21 0
6 DARJEELING 576 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
7 HOOGHLY 724 87 623 623 16 16 16 0 623 0 623 0 77 0 0 0 415 3
8 HOWRAH 295 21 115 115 10 10 10 0 115 0 115 0 10 0 0 0 95 0
9 JALPAIGURI 425 35 267 267 3 3 3 0 267 0 267 0 0 0 0 0 267 26
10 JHARGRAM 507 50 285 269 0 0 0 0 285 6 285 3 0 0 0 0 223 3
11 KALIMPONG 233 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
12 MALDAH 455 126 1302 1302 22 22 22 0 1302 0 1302 0 888 0 179 0 888 1
13 MURSHIDABAD 1256 31 153 153 1 1 1 0 153 1 153 0 119 20 0 0 106 9
14 NADIA 1070 35 429 429 0 0 0 0 429 0 429 0 201 2 0 0 201 0
15 NORTH 24 PARGANAS 1101 80 706 702 0 0 0 0 706 0 706 0 646 3 0 0 646 5
16 PASCHIM BARDDHAMAN 182 29 271 271 18 18 18 0 271 3 271 3 0 0 0 0 217 5
17 PASCHIM MEDINIPUR 954 98 693 693 198 198 198 0 693 7 693 2 0 0 0 0 664 47
18 PURBA BARDDHAMAN 773 136 1029 1029 141 141 141 0 1029 3 1029 2 101 0 0 0 70 0
19 PURBA MEDINIPUR 1008 165 1608 1608 92 93 93 0 1608 0 1608 0 0 0 0 0 1395 21
20 PURULIA 187 32 408 408 29 29 29 0 408 1 408 0 0 0 220 0 377 4
21 SOUTH 24 PARGANAS 1279 93 1141 1141 33 34 34 0 1141 1 1141 0 234 0 180 0 1085 7
22 UTTAR DINAJPUR 552 17 108 108 0 0 0 0 108 0 108 0 8 0 97 0 108 2