/ Contamination status of PWS Schemes
Contamination status of PWS Schemes as on 2026-02-08 00:00:00 to 2026-03-08 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 76 331 331 164 164 164 0 331 53 331 8 0 0 0 0 331 3
2 BANKURA 1092 103 2059 2059 9 9 9 0 2059 0 2059 0 0 0 1125 0 1247 12
3 BIRBHUM 523 110 874 874 43 50 43 7 874 0 874 0 0 0 198 0 464 6
4 COOCH BEHAR 550 152 713 713 3 3 3 0 713 0 713 0 0 0 0 0 713 0
5 DAKSHIN DINAJPUR 433 45 407 407 0 0 0 0 407 0 407 0 0 0 407 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 88 613 613 16 16 16 0 613 0 613 0 82 0 0 0 405 3
8 HOWRAH 295 20 108 108 10 10 10 0 108 0 108 0 10 0 0 0 95 0
9 JALPAIGURI 425 37 275 275 3 3 3 0 275 0 275 0 0 0 0 0 275 27
10 JHARGRAM 507 49 313 289 0 0 0 0 313 6 313 3 0 0 0 0 210 3
11 KALIMPONG 233 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
12 MALDAH 455 117 1052 1052 20 20 20 0 1052 0 1052 0 633 0 175 0 633 0
13 MURSHIDABAD 1256 33 163 163 2 2 2 0 163 1 163 0 129 20 0 0 107 9
14 NADIA 1070 38 439 439 0 0 0 0 439 0 439 0 211 2 0 0 211 0
15 NORTH 24 PARGANAS 1101 75 648 644 0 0 0 0 648 0 648 0 608 3 0 0 608 5
16 PASCHIM BARDDHAMAN 182 26 203 203 18 18 18 0 203 3 203 3 0 0 0 0 173 5
17 PASCHIM MEDINIPUR 954 98 693 693 202 202 202 0 693 7 693 2 0 0 0 0 659 48
18 PURBA BARDDHAMAN 773 144 1086 1086 151 151 151 0 1086 4 1086 3 101 0 0 0 70 0
19 PURBA MEDINIPUR 1008 132 1316 1316 103 104 104 0 1316 0 1316 0 0 0 0 0 1264 27
20 PURULIA 187 34 443 443 30 30 30 0 443 1 443 0 0 0 241 0 410 4
21 SOUTH 24 PARGANAS 1279 85 1122 1122 34 34 34 0 1122 1 1122 0 154 0 100 0 1051 7
22 UTTAR DINAJPUR 552 16 104 104 0 0 0 0 104 0 104 0 8 0 91 0 104 4